BQS OBSP Determination:
DIBROMOMETHANE
METHOD: 4440 , TESTIDCODE: 30217GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.328 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.2056 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.205 
 Median Pct Recovery = 97%  Expected Conc. = 0.2024 
 Median Pct Recovery = 97%  Expected Conc. = 0.2024 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.2 
 Median Pct Recovery = 97%  Expected Conc. = 0.1874 
 Median Pct Recovery = 97%  Expected Conc. = 0.1874 
 Median Pct Recovery = 97%  Expected Conc. = 0.185 
 Median Pct Recovery = 97%  Expected Conc. = 0.185 
 Median Pct Recovery = 97%  Expected Conc. = 0.185 
 Median Pct Recovery = 97%  Expected Conc. = 0.185 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.123 
 Median Pct Recovery = 97%  Expected Conc. = 0.1124 
 Median Pct Recovery = 97%  Expected Conc. = 0.1124 
 Median Pct Recovery = 97%  Expected Conc. = 0.1124 
 Median Pct Recovery = 97%  Expected Conc. = 0.1124 
 Median Pct Recovery = 97%  Expected Conc. = 0.1124 
 Median Pct Recovery = 97%  Expected Conc. = 0.1124 
 Median Pct Recovery = 97%  Expected Conc. = 0.111 
 Median Pct Recovery = 97%  Expected Conc. = 0.111 
 Median Pct Recovery = 97%  Expected Conc. = 0.111 
 Median Pct Recovery = 97%  Expected Conc. = 0.111 
 Median Pct Recovery = 97%  Expected Conc. = 0.111 
 Median Pct Recovery = 97%  Expected Conc. = 0.111 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1028 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.0749 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0.074 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 99%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 105%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 97%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 100%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 112%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 108%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 92%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 117%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 83%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 109%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 109%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 103%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 89%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 97%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 98%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 105%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 104%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 91%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 88%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 78%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 98%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 95%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 104%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 88%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 122%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 89%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 108%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BROMODICHLOROMETHANE
METHOD: 4440 , TESTIDCODE: 32101GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.232 
 Median Pct Recovery = 104%  Expected Conc. = 0.232 
 Median Pct Recovery = 104%  Expected Conc. = 0.232 
 Median Pct Recovery = 104%  Expected Conc. = 0.2232 
 Median Pct Recovery = 104%  Expected Conc. = 0.2232 
 Median Pct Recovery = 104%  Expected Conc. = 0.2232 
 Median Pct Recovery = 104%  Expected Conc. = 0.2232 
 Median Pct Recovery = 104%  Expected Conc. = 0.2232 
 Median Pct Recovery = 104%  Expected Conc. = 0.2232 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.145 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.1395 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.136 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.1348 
 Median Pct Recovery = 104%  Expected Conc. = 0.13 
 Median Pct Recovery = 104%  Expected Conc. = 0.13 
 Median Pct Recovery = 104%  Expected Conc. = 0.13 
 Median Pct Recovery = 104%  Expected Conc. = 0.13 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.087 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.0837 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.078 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.0674 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0.052 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 107%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 125%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 102%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 100%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 106%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 123%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 103%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 107%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 107%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 82%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 102%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 120%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 118%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 101%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 107%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 111%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 112%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 102%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 101%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 89%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 105%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 109%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 103%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 111%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 109%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 119%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 136%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 111%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 102%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 102%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 102%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 121%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 104%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 113%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 118%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 112%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 117%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 114%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 102%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 121%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 127%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 90%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 109%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 103%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 124%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 105%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 113%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 107%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 111%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TETRACHLOROMETHANE
METHOD: 4440 , TESTIDCODE: 32102GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.4032 
 Median Pct Recovery = 94%  Expected Conc. = 0.4032 
 Median Pct Recovery = 94%  Expected Conc. = 0.4032 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.4012 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.252 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2508 
 Median Pct Recovery = 94%  Expected Conc. = 0.2408 
 Median Pct Recovery = 94%  Expected Conc. = 0.2408 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.2402 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.2255 
 Median Pct Recovery = 94%  Expected Conc. = 0.2255 
 Median Pct Recovery = 94%  Expected Conc. = 0.2255 
 Median Pct Recovery = 94%  Expected Conc. = 0.2255 
 Median Pct Recovery = 94%  Expected Conc. = 0.225 
 Median Pct Recovery = 94%  Expected Conc. = 0.225 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1512 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1505 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.1353 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.1201 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.12 
 Median Pct Recovery = 94%  Expected Conc. = 0.0902 
 Median Pct Recovery = 94%  Expected Conc. = 0.0902 
 Median Pct Recovery = 94%  Expected Conc. = 0.0902 
 Median Pct Recovery = 94%  Expected Conc. = 0.0902 
 Median Pct Recovery = 94%  Expected Conc. = 0.0902 
 Median Pct Recovery = 94%  Expected Conc. = 0.0902 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 115%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 88%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 92%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 101%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 79%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 88%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 81%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 131%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 114%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 110%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 88%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 82%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 83%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 137%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 102%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 96%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 103%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 86%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 93%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 84%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 80%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 89%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 101%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 97%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 117%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 110%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 74%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 101%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 100%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 121%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 84%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 95%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 79%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 118%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 103%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 108%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 93%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2-DICHLOROETHANE
METHOD: 4440 , TESTIDCODE: 32103GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.5424 
 Median Pct Recovery = 97%  Expected Conc. = 0.5424 
 Median Pct Recovery = 97%  Expected Conc. = 0.5424 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.5358 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.339 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3349 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.3212 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.32 
 Median Pct Recovery = 97%  Expected Conc. = 0.3 
 Median Pct Recovery = 97%  Expected Conc. = 0.3 
 Median Pct Recovery = 97%  Expected Conc. = 0.2985 
 Median Pct Recovery = 97%  Expected Conc. = 0.2985 
 Median Pct Recovery = 97%  Expected Conc. = 0.2985 
 Median Pct Recovery = 97%  Expected Conc. = 0.2985 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2034 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.2009 
 Median Pct Recovery = 97%  Expected Conc. = 0.18 
 Median Pct Recovery = 97%  Expected Conc. = 0.18 
 Median Pct Recovery = 97%  Expected Conc. = 0.18 
 Median Pct Recovery = 97%  Expected Conc. = 0.18 
 Median Pct Recovery = 97%  Expected Conc. = 0.18 
 Median Pct Recovery = 97%  Expected Conc. = 0.18 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1791 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.1606 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.16 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.1194 
 Median Pct Recovery = 97%  Expected Conc. = 0.1194 
 Median Pct Recovery = 97%  Expected Conc. = 0.1194 
 Median Pct Recovery = 97%  Expected Conc. = 0.1194 
 Median Pct Recovery = 97%  Expected Conc. = 0.1194 
 Median Pct Recovery = 97%  Expected Conc. = 0.1194 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 114%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 92%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 96%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 97%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 96%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 96%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 101%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 98%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 87%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 106%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 105%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 110%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 91%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 106%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 103%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 102%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 105%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 99%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 110%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 68%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 97%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 95%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 103%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 106%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 97%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 87%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 95%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 104%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BROMOFORM
METHOD: 4440 , TESTIDCODE: 32104GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.672 
 Median Pct Recovery = 95%  Expected Conc. = 0.672 
 Median Pct Recovery = 95%  Expected Conc. = 0.672 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.664 
 Median Pct Recovery = 95%  Expected Conc. = 0.572 
 Median Pct Recovery = 95%  Expected Conc. = 0.572 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.42 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.415 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.3984 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.376 
 Median Pct Recovery = 95%  Expected Conc. = 0.375 
 Median Pct Recovery = 95%  Expected Conc. = 0.375 
 Median Pct Recovery = 95%  Expected Conc. = 0.375 
 Median Pct Recovery = 95%  Expected Conc. = 0.375 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.252 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.249 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.2256 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1992 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.1504 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 91%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 69%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 87%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 87%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 94%  Analysis Date = 06/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 81%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 91%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 91%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 63%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 84%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 99%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 84%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 93%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 89%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 97%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 107%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 82%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 82%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 93%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 83%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 97%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/15/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/15/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 95%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 107%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 107%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 107%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 107%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 102%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 101%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 94%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 94%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 97%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 97%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 79%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 79%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 123%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 123%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 101%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 101%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 107%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 107%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 109%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 109%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
DIBROMOCHLOROMETHANE
METHOD: 4440 , TESTIDCODE: 32105GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.8 
 Median Pct Recovery = 99%  Expected Conc. = 0.8 
 Median Pct Recovery = 99%  Expected Conc. = 0.8 
 Median Pct Recovery = 99%  Expected Conc. = 0.8 
 Median Pct Recovery = 99%  Expected Conc. = 0.8 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.5 
 Median Pct Recovery = 99%  Expected Conc. = 0.488 
 Median Pct Recovery = 99%  Expected Conc. = 0.488 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.48 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.476 
 Median Pct Recovery = 99%  Expected Conc. = 0.4505 
 Median Pct Recovery = 99%  Expected Conc. = 0.4505 
 Median Pct Recovery = 99%  Expected Conc. = 0.4505 
 Median Pct Recovery = 99%  Expected Conc. = 0.4505 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.3 
 Median Pct Recovery = 99%  Expected Conc. = 0.2703 
 Median Pct Recovery = 99%  Expected Conc. = 0.2703 
 Median Pct Recovery = 99%  Expected Conc. = 0.2703 
 Median Pct Recovery = 99%  Expected Conc. = 0.2703 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.2676 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.24 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.238 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1802 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0.1784 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Expected Conc. = 0 
 Median Pct Recovery = 99%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 104%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 110%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 110%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 105%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 129%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 113%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 110%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 89%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 87%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 85%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 91%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 87%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 111%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 110%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 106%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 116%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 109%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 121%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 104%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 77%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 103%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 94%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 107%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 108%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 94%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 99%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 109%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 92%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Median Pct Recovery = 99%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CHLOROFORM
METHOD: 4440 , TESTIDCODE: 32106GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.1992 
 Median Pct Recovery = 100%  Expected Conc. = 0.1992 
 Median Pct Recovery = 100%  Expected Conc. = 0.1992 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1984 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.1245 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.124 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.12 
 Median Pct Recovery = 100%  Expected Conc. = 0.1157 
 Median Pct Recovery = 100%  Expected Conc. = 0.1157 
 Median Pct Recovery = 100%  Expected Conc. = 0.115 
 Median Pct Recovery = 100%  Expected Conc. = 0.115 
 Median Pct Recovery = 100%  Expected Conc. = 0.115 
 Median Pct Recovery = 100%  Expected Conc. = 0.115 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0747 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0744 
 Median Pct Recovery = 100%  Expected Conc. = 0.0694 
 Median Pct Recovery = 100%  Expected Conc. = 0.0694 
 Median Pct Recovery = 100%  Expected Conc. = 0.0694 
 Median Pct Recovery = 100%  Expected Conc. = 0.0694 
 Median Pct Recovery = 100%  Expected Conc. = 0.0694 
 Median Pct Recovery = 100%  Expected Conc. = 0.0694 
 Median Pct Recovery = 100%  Expected Conc. = 0.069 
 Median Pct Recovery = 100%  Expected Conc. = 0.069 
 Median Pct Recovery = 100%  Expected Conc. = 0.069 
 Median Pct Recovery = 100%  Expected Conc. = 0.069 
 Median Pct Recovery = 100%  Expected Conc. = 0.069 
 Median Pct Recovery = 100%  Expected Conc. = 0.069 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.0463 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0.046 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 129%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 96%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 100%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 113%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 88%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 88%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 123%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 111%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 122%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 107%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 87%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 137%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 88%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 131%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 97%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 95%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 127%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 128%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 128%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 105%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 110%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 108%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 97%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 99%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 122%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 132%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 72%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 111%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 107%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 89%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 105%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 129%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 128%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 137%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 125%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 111%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 107%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 105%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 110%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 113%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 103%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TOLUENE
METHOD: 4440 , TESTIDCODE: 34010GCM66
DATES: 07/11/14 - 11/17/17

 Expected Conc. = 0.202 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.1352 
 Median Pct Recovery = 100%  Expected Conc. = 0.1352 
 Median Pct Recovery = 100%  Expected Conc. = 0.1352 
 Median Pct Recovery = 100%  Expected Conc. = 0.1352 
 Median Pct Recovery = 100%  Expected Conc. = 0.1352 
 Median Pct Recovery = 100%  Expected Conc. = 0.1352 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.0845 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.08 
 Median Pct Recovery = 100%  Expected Conc. = 0.075 
 Median Pct Recovery = 100%  Expected Conc. = 0.075 
 Median Pct Recovery = 100%  Expected Conc. = 0.075 
 Median Pct Recovery = 100%  Expected Conc. = 0.075 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.0462 
 Median Pct Recovery = 100%  Expected Conc. = 0.045 
 Median Pct Recovery = 100%  Expected Conc. = 0.045 
 Median Pct Recovery = 100%  Expected Conc. = 0.045 
 Median Pct Recovery = 100%  Expected Conc. = 0.045 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.0308 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.03 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0.0507 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 119%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 85%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 103%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 132%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 126%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 126%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 118%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 118%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 95%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 83%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 118%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 95%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 200%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 107%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 93%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 137%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 98%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 137%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 137%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 138%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 138%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 138%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 118%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 108%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 108%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 108%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 111%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 111%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 125%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 130%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 130%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 200%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BENZENE
METHOD: 4440 , TESTIDCODE: 34030GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.1201 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.1 
 Median Pct Recovery = 98%  Expected Conc. = 0.1 
 Median Pct Recovery = 98%  Expected Conc. = 0.098 
 Median Pct Recovery = 98%  Expected Conc. = 0.098 
 Median Pct Recovery = 98%  Expected Conc. = 0.098 
 Median Pct Recovery = 98%  Expected Conc. = 0.098 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.0601 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.0588 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.0392 
 Median Pct Recovery = 98%  Expected Conc. = 0.0392 
 Median Pct Recovery = 98%  Expected Conc. = 0.0392 
 Median Pct Recovery = 98%  Expected Conc. = 0.0392 
 Median Pct Recovery = 98%  Expected Conc. = 0.0392 
 Median Pct Recovery = 98%  Expected Conc. = 0.0392 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 93%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 113%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 117%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 93%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 102%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 103%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 102%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 110%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 106%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 102%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 86%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 104%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 140%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 92%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 102%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 80%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 92%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 103%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 105%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 105%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 95%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 110%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 108%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 128%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 106%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 113%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 130%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 113%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 77%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 85%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 99%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 95%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 96%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 144%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 82%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 83%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 76%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 106%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 98%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
ACRYLONITRILE
METHOD: 4440 , TESTIDCODE: 34215GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2016 
 Median Pct Recovery = 102%  Expected Conc. = 3.2 
 Median Pct Recovery = 102%  Expected Conc. = 3.2 
 Median Pct Recovery = 102%  Expected Conc. = 3.2 
 Median Pct Recovery = 102%  Expected Conc. = 3.2 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2.001 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 2 
 Median Pct Recovery = 102%  Expected Conc. = 1.94 
 Median Pct Recovery = 102%  Expected Conc. = 1.94 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.92 
 Median Pct Recovery = 102%  Expected Conc. = 1.8005 
 Median Pct Recovery = 102%  Expected Conc. = 1.8005 
 Median Pct Recovery = 102%  Expected Conc. = 1.8005 
 Median Pct Recovery = 102%  Expected Conc. = 1.8005 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2006 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.2 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.092 
 Median Pct Recovery = 102%  Expected Conc. = 1.0803 
 Median Pct Recovery = 102%  Expected Conc. = 1.0803 
 Median Pct Recovery = 102%  Expected Conc. = 1.0803 
 Median Pct Recovery = 102%  Expected Conc. = 1.0803 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.96 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.728 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0.7202 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Expected Conc. = 0 
 Median Pct Recovery = 102%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 112%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 106%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 106%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 91%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 86%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 93%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 103%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 103%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 101%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 119%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 100%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 97%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 109%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 112%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 97%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 122%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 105%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 109%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 109%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 94%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 112%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 83%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 116%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 102%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 116%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 76%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 113%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 119%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 104%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 111%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 113%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 83%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 122%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 107%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 102%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 105%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 117%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 113%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 118%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 123%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 114%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 105%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Median Pct Recovery = 102%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 34301GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.11 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.1064 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.104 
 Median Pct Recovery = 98%  Expected Conc. = 0.102 
 Median Pct Recovery = 98%  Expected Conc. = 0.102 
 Median Pct Recovery = 98%  Expected Conc. = 0.102 
 Median Pct Recovery = 98%  Expected Conc. = 0.102 
 Median Pct Recovery = 98%  Expected Conc. = 0.1 
 Median Pct Recovery = 98%  Expected Conc. = 0.1 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.0612 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.0532 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.052 
 Median Pct Recovery = 98%  Expected Conc. = 0.0408 
 Median Pct Recovery = 98%  Expected Conc. = 0.0408 
 Median Pct Recovery = 98%  Expected Conc. = 0.0408 
 Median Pct Recovery = 98%  Expected Conc. = 0.0408 
 Median Pct Recovery = 98%  Expected Conc. = 0.0408 
 Median Pct Recovery = 98%  Expected Conc. = 0.0408 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0.04 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 102%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 111%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 95%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 111%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 81%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 95%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 112%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 102%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 102%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 110%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 96%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 92%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 99%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 89%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 93%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 118%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 135%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 115%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 94%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 88%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 114%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 118%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 102%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 97%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 103%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 97%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 94%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 99%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 104%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 111%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 117%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 88%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 95%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 106%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 97%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 94%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CHLOROETHANE
METHOD: 4440 , TESTIDCODE: 34311GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4004 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.4 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.2503 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.25 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.2262 
 Median Pct Recovery = 95%  Expected Conc. = 0.2262 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.1502 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.15 
 Median Pct Recovery = 95%  Expected Conc. = 0.1357 
 Median Pct Recovery = 95%  Expected Conc. = 0.1357 
 Median Pct Recovery = 95%  Expected Conc. = 0.1357 
 Median Pct Recovery = 95%  Expected Conc. = 0.1357 
 Median Pct Recovery = 95%  Expected Conc. = 0.1357 
 Median Pct Recovery = 95%  Expected Conc. = 0.1357 
 Median Pct Recovery = 95%  Expected Conc. = 0.135 
 Median Pct Recovery = 95%  Expected Conc. = 0.135 
 Median Pct Recovery = 95%  Expected Conc. = 0.135 
 Median Pct Recovery = 95%  Expected Conc. = 0.135 
 Median Pct Recovery = 95%  Expected Conc. = 0.135 
 Median Pct Recovery = 95%  Expected Conc. = 0.135 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.0905 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 87%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 99%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 82%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 101%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 95%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 88%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 80%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 93%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 98%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 77%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 108%  Analysis Date = 02/28/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 120%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 112%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 96%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 125%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 114%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 96%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 105%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 65%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 106%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 92%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 101%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 99%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 75%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 113%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 105%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 111%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 85%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 71%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 79%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 91%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 78%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 125%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 117%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 121%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 122%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 118%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 115%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 101%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 66%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 84%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 81%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 62%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 116%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
ETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 34371GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.2406 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.1504 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.1456 
 Median Pct Recovery = 90%  Expected Conc. = 0.1456 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.1448 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.144 
 Median Pct Recovery = 90%  Expected Conc. = 0.1355 
 Median Pct Recovery = 90%  Expected Conc. = 0.1355 
 Median Pct Recovery = 90%  Expected Conc. = 0.1355 
 Median Pct Recovery = 90%  Expected Conc. = 0.1355 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.0813 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.0724 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.072 
 Median Pct Recovery = 90%  Expected Conc. = 0.0542 
 Median Pct Recovery = 90%  Expected Conc. = 0.0542 
 Median Pct Recovery = 90%  Expected Conc. = 0.0542 
 Median Pct Recovery = 90%  Expected Conc. = 0.0542 
 Median Pct Recovery = 90%  Expected Conc. = 0.0542 
 Median Pct Recovery = 90%  Expected Conc. = 0.0542 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0.054 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 79%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 96%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 80%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 82%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 106%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 78%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 77%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 81%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 89%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 90%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 88%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 130%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 85%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 76%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 84%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 76%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 87%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 76%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 92%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 87%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 92%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 104%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 94%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 65%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 86%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 85%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 88%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 95%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 89%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 72%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 126%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 115%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 86%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 108%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 85%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 104%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 91%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
HEXACHLOROETHANE
METHOD: 4440 , TESTIDCODE: 34396GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.6664 
 Median Pct Recovery = 92%  Expected Conc. = 0.6664 
 Median Pct Recovery = 92%  Expected Conc. = 0.6664 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.6648 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4165 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4155 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4004 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.375 
 Median Pct Recovery = 92%  Expected Conc. = 0.375 
 Median Pct Recovery = 92%  Expected Conc. = 0.375 
 Median Pct Recovery = 92%  Expected Conc. = 0.375 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2499 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.2493 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2247 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2002 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.2 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0.1498 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 90%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 97%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 91%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 96%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 72%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 120%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 120%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 97%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 74%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 85%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 85%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 83%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 95%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 89%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 97%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 103%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 109%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 83%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 120%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 116%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 80%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 80%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 63%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 100%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 92%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 113%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 84%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 91%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 93%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 95%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 113%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 113%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 103%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 91%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 117%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 116%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BROMOMETHANE
METHOD: 4440 , TESTIDCODE: 34413GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.3352 
 Median Pct Recovery = 103%  Expected Conc. = 1.328 
 Median Pct Recovery = 103%  Expected Conc. = 1.328 
 Median Pct Recovery = 103%  Expected Conc. = 1.328 
 Median Pct Recovery = 103%  Expected Conc. = 1.328 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.8345 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.83 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.804 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.8 
 Median Pct Recovery = 103%  Expected Conc. = 0.749 
 Median Pct Recovery = 103%  Expected Conc. = 0.749 
 Median Pct Recovery = 103%  Expected Conc. = 0.745 
 Median Pct Recovery = 103%  Expected Conc. = 0.745 
 Median Pct Recovery = 103%  Expected Conc. = 0.745 
 Median Pct Recovery = 103%  Expected Conc. = 0.745 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.5007 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.498 
 Median Pct Recovery = 103%  Expected Conc. = 0.4494 
 Median Pct Recovery = 103%  Expected Conc. = 0.4494 
 Median Pct Recovery = 103%  Expected Conc. = 0.4494 
 Median Pct Recovery = 103%  Expected Conc. = 0.4494 
 Median Pct Recovery = 103%  Expected Conc. = 0.4494 
 Median Pct Recovery = 103%  Expected Conc. = 0.4494 
 Median Pct Recovery = 103%  Expected Conc. = 0.447 
 Median Pct Recovery = 103%  Expected Conc. = 0.447 
 Median Pct Recovery = 103%  Expected Conc. = 0.447 
 Median Pct Recovery = 103%  Expected Conc. = 0.447 
 Median Pct Recovery = 103%  Expected Conc. = 0.447 
 Median Pct Recovery = 103%  Expected Conc. = 0.447 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.402 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.2996 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0.298 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 121%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 115%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 127%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 75%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 114%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 115%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 78%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 117%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 139%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 132%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 119%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 119%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 113%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 123%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 141%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 88%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 127%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 90%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 109%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 119%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 29%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 95%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 02/28/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 124%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 50%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 129%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 49%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 99%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 113%  Analysis Date = 07/18/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 68%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 66%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 122%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 124%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 07/06/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 160%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 108%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 120%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 72%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 122%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 106%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 120%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 62%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 105%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 110%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 56%  Analysis Date = 06/29/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 89%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 92%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 149%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 37%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 132%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 85%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 165%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 65%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 58%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 50%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/20/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 83%  Analysis Date = 06/04/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 84%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 64%  Analysis Date = 06/29/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CHLOROMETHANE
METHOD: 4440 , TESTIDCODE: 34418GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.6656 
 Median Pct Recovery = 100%  Expected Conc. = 0.6656 
 Median Pct Recovery = 100%  Expected Conc. = 0.6656 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.663 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.416 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4144 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.4 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.3996 
 Median Pct Recovery = 100%  Expected Conc. = 0.375 
 Median Pct Recovery = 100%  Expected Conc. = 0.375 
 Median Pct Recovery = 100%  Expected Conc. = 0.375 
 Median Pct Recovery = 100%  Expected Conc. = 0.375 
 Median Pct Recovery = 100%  Expected Conc. = 0.375 
 Median Pct Recovery = 100%  Expected Conc. = 0.375 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2496 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.2486 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.225 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.2 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.1998 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0.15 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 75%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 121%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 106%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 120%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 96%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 72%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 96%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 120%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 120%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 121%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 72%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 121%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 121%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 97%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 100%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 125%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 50%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 100%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 125%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 125%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 75%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 75%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 107%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 80%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 120%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 80%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 120%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 80%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 80%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 121%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 121%  Analysis Date = 07/06/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 121%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 133%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 133%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 178%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 150%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 100%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 150%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 200%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 100%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 67%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 133%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 67%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 133%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 133%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 133%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 200%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
DICHLOROMETHANE
METHOD: 4440 , TESTIDCODE: 34423GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.2688 
 Median Pct Recovery = 112%  Expected Conc. = 0.2688 
 Median Pct Recovery = 112%  Expected Conc. = 0.2688 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.2646 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.168 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1654 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.1604 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.16 
 Median Pct Recovery = 112%  Expected Conc. = 0.1501 
 Median Pct Recovery = 112%  Expected Conc. = 0.1501 
 Median Pct Recovery = 112%  Expected Conc. = 0.15 
 Median Pct Recovery = 112%  Expected Conc. = 0.15 
 Median Pct Recovery = 112%  Expected Conc. = 0.15 
 Median Pct Recovery = 112%  Expected Conc. = 0.15 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.1008 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0992 
 Median Pct Recovery = 112%  Expected Conc. = 0.0901 
 Median Pct Recovery = 112%  Expected Conc. = 0.0901 
 Median Pct Recovery = 112%  Expected Conc. = 0.0901 
 Median Pct Recovery = 112%  Expected Conc. = 0.0901 
 Median Pct Recovery = 112%  Expected Conc. = 0.0901 
 Median Pct Recovery = 112%  Expected Conc. = 0.0901 
 Median Pct Recovery = 112%  Expected Conc. = 0.09 
 Median Pct Recovery = 112%  Expected Conc. = 0.09 
 Median Pct Recovery = 112%  Expected Conc. = 0.09 
 Median Pct Recovery = 112%  Expected Conc. = 0.09 
 Median Pct Recovery = 112%  Expected Conc. = 0.09 
 Median Pct Recovery = 112%  Expected Conc. = 0.09 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.0802 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.08 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0.06 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Expected Conc. = 0 
 Median Pct Recovery = 112%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 160%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 125%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 125%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 121%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 163%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 101%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 101%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 149%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 113%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 107%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 121%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 133%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 175%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 127%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 121%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 121%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 106%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 106%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 118%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 200%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 125%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 119%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 125%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 119%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 107%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 120%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 109%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 109%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 159%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 129%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 111%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 121%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 181%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 141%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 101%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 100%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 89%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 111%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 111%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 111%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 112%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 113%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 125%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 113%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 117%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 117%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 117%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 117%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Median Pct Recovery = 112%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TETRACHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 34475GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1758 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1736 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1099 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.1085 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.104 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.102 
 Median Pct Recovery = 111%  Expected Conc. = 0.1 
 Median Pct Recovery = 111%  Expected Conc. = 0.1 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0659 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0651 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.0612 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.06 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.052 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.0408 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0.04 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Expected Conc. = 0 
 Median Pct Recovery = 111%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 113%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 132%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 99%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 112%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 110%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 137%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 127%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 142%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 132%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 127%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 136%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 105%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 123%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 131%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 105%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 124%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 114%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 113%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 113%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 127%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 159%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 125%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 97%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 128%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 125%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 112%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 91%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 114%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 104%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 109%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 117%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 114%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 125%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 135%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 114%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 124%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 113%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 110%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 157%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 111%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 127%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Median Pct Recovery = 111%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TRICHLOROFLUOROMETHANE
METHOD: 4440 , TESTIDCODE: 34488GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.25 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.24 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.225 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.15 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.1362 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.0908 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0.09 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 84%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 86%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 76%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 87%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 85%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 96%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 95%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 74%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 74%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 75%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 85%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 92%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 82%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 77%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 111%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 124%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 107%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 128%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 129%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 109%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 87%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 77%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 80%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 85%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 91%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 90%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 101%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 112%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 89%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 78%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 107%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 126%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 137%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 117%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 112%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 108%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 102%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 102%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 89%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1-DICHLOROETHANE
METHOD: 4440 , TESTIDCODE: 34496GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.296 
 Median Pct Recovery = 98%  Expected Conc. = 0.296 
 Median Pct Recovery = 98%  Expected Conc. = 0.296 
 Median Pct Recovery = 98%  Expected Conc. = 0.296 
 Median Pct Recovery = 98%  Expected Conc. = 0.296 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.288 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.185 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.18 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.176 
 Median Pct Recovery = 98%  Expected Conc. = 0.1655 
 Median Pct Recovery = 98%  Expected Conc. = 0.1655 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.111 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.108 
 Median Pct Recovery = 98%  Expected Conc. = 0.0993 
 Median Pct Recovery = 98%  Expected Conc. = 0.0993 
 Median Pct Recovery = 98%  Expected Conc. = 0.0993 
 Median Pct Recovery = 98%  Expected Conc. = 0.0993 
 Median Pct Recovery = 98%  Expected Conc. = 0.0993 
 Median Pct Recovery = 98%  Expected Conc. = 0.0993 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.088 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.0662 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0.066 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 110%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 100%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 109%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 95%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 99%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 106%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 104%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 103%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 114%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 135%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 121%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 91%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 103%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 97%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 116%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 115%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 96%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 88%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 99%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 98%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 105%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 105%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 101%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 114%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 97%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 100%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 98%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 95%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 107%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 88%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 112%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 127%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 112%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 105%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 88%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1-DICHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 34501GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.148 
 Median Pct Recovery = 101%  Expected Conc. = 0.148 
 Median Pct Recovery = 101%  Expected Conc. = 0.148 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1442 
 Median Pct Recovery = 101%  Expected Conc. = 0.1 
 Median Pct Recovery = 101%  Expected Conc. = 0.1 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0925 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.0901 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.088 
 Median Pct Recovery = 101%  Expected Conc. = 0.085 
 Median Pct Recovery = 101%  Expected Conc. = 0.085 
 Median Pct Recovery = 101%  Expected Conc. = 0.085 
 Median Pct Recovery = 101%  Expected Conc. = 0.085 
 Median Pct Recovery = 101%  Expected Conc. = 0.085 
 Median Pct Recovery = 101%  Expected Conc. = 0.085 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0792 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0555 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.0541 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.051 
 Median Pct Recovery = 101%  Expected Conc. = 0.05 
 Median Pct Recovery = 101%  Expected Conc. = 0.05 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.044 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.0396 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0.034 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 164%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 104%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 87%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 93%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 82%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 150%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 117%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 169%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 179%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 81%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 93%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 76%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 85%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 96%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 102%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 138%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 107%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 77%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 107%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 115%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 93%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 105%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 110%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 155%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 74%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 185%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 96%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 68%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 103%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 109%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 109%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 118%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 117%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 126%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 82%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 90%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 93%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 109%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 131%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 110%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 122%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 128%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 141%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 105%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 130%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 108%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 109%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1,1-TRICHLOROETHANE
METHOD: 4440 , TESTIDCODE: 34506GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.2 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.125 
 Median Pct Recovery = 96%  Expected Conc. = 0.1208 
 Median Pct Recovery = 96%  Expected Conc. = 0.1208 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.075 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.0696 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.0464 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0.046 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 106%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 86%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 92%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 88%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 122%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 146%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 87%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 105%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 95%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 84%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 82%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 98%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 108%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 92%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 102%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 88%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 89%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 95%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 83%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 97%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 79%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 82%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 99%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 115%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 104%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 117%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 119%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 96%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 105%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 117%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 103%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1,2-TRICHLOROETHANE
METHOD: 4440 , TESTIDCODE: 34511GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.304 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.1975 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.19 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.184 
 Median Pct Recovery = 100%  Expected Conc. = 0.177 
 Median Pct Recovery = 100%  Expected Conc. = 0.177 
 Median Pct Recovery = 100%  Expected Conc. = 0.177 
 Median Pct Recovery = 100%  Expected Conc. = 0.177 
 Median Pct Recovery = 100%  Expected Conc. = 0.175 
 Median Pct Recovery = 100%  Expected Conc. = 0.175 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.114 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.1062 
 Median Pct Recovery = 100%  Expected Conc. = 0.105 
 Median Pct Recovery = 100%  Expected Conc. = 0.105 
 Median Pct Recovery = 100%  Expected Conc. = 0.105 
 Median Pct Recovery = 100%  Expected Conc. = 0.105 
 Median Pct Recovery = 100%  Expected Conc. = 0.105 
 Median Pct Recovery = 100%  Expected Conc. = 0.105 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.0988 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.092 
 Median Pct Recovery = 100%  Expected Conc. = 0.0708 
 Median Pct Recovery = 100%  Expected Conc. = 0.0708 
 Median Pct Recovery = 100%  Expected Conc. = 0.0708 
 Median Pct Recovery = 100%  Expected Conc. = 0.0708 
 Median Pct Recovery = 100%  Expected Conc. = 0.0708 
 Median Pct Recovery = 100%  Expected Conc. = 0.0708 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0.07 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 108%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 103%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 110%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 100%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 92%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 102%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 106%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 106%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 102%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 102%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 116%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 107%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 106%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 112%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 107%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 102%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 96%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 92%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 95%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 93%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 101%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 117%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 105%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 96%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 101%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 109%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 109%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 103%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 117%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 94%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 102%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 96%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 102%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 87%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 102%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1,2,2-TETRACHLOROETHANE
METHOD: 4440 , TESTIDCODE: 34516GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.936 
 Median Pct Recovery = 92%  Expected Conc. = 0.936 
 Median Pct Recovery = 92%  Expected Conc. = 0.936 
 Median Pct Recovery = 92%  Expected Conc. = 0.9344 
 Median Pct Recovery = 92%  Expected Conc. = 0.9344 
 Median Pct Recovery = 92%  Expected Conc. = 0.9344 
 Median Pct Recovery = 92%  Expected Conc. = 0.9344 
 Median Pct Recovery = 92%  Expected Conc. = 0.9344 
 Median Pct Recovery = 92%  Expected Conc. = 0.9344 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.585 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.584 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.56 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.556 
 Median Pct Recovery = 92%  Expected Conc. = 0.525 
 Median Pct Recovery = 92%  Expected Conc. = 0.525 
 Median Pct Recovery = 92%  Expected Conc. = 0.525 
 Median Pct Recovery = 92%  Expected Conc. = 0.525 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.351 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.3504 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.318 
 Median Pct Recovery = 92%  Expected Conc. = 0.315 
 Median Pct Recovery = 92%  Expected Conc. = 0.315 
 Median Pct Recovery = 92%  Expected Conc. = 0.315 
 Median Pct Recovery = 92%  Expected Conc. = 0.315 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.28 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.278 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.212 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0.21 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 95%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 98%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 91%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 87%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 89%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 101%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 96%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 91%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 93%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 89%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 91%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 87%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 96%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 92%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 102%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 99%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 88%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 89%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 93%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 96%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 108%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 95%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 70%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 99%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 80%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 79%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 87%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 84%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 99%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2-DICHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 34536GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.184 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.115 
 Median Pct Recovery = 96%  Expected Conc. = 0.1128 
 Median Pct Recovery = 96%  Expected Conc. = 0.1128 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.1124 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.112 
 Median Pct Recovery = 96%  Expected Conc. = 0.1055 
 Median Pct Recovery = 96%  Expected Conc. = 0.1055 
 Median Pct Recovery = 96%  Expected Conc. = 0.1055 
 Median Pct Recovery = 96%  Expected Conc. = 0.1055 
 Median Pct Recovery = 96%  Expected Conc. = 0.105 
 Median Pct Recovery = 96%  Expected Conc. = 0.105 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.069 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.0633 
 Median Pct Recovery = 96%  Expected Conc. = 0.063 
 Median Pct Recovery = 96%  Expected Conc. = 0.063 
 Median Pct Recovery = 96%  Expected Conc. = 0.063 
 Median Pct Recovery = 96%  Expected Conc. = 0.063 
 Median Pct Recovery = 96%  Expected Conc. = 0.063 
 Median Pct Recovery = 96%  Expected Conc. = 0.063 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.0562 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.056 
 Median Pct Recovery = 96%  Expected Conc. = 0.0422 
 Median Pct Recovery = 96%  Expected Conc. = 0.0422 
 Median Pct Recovery = 96%  Expected Conc. = 0.0422 
 Median Pct Recovery = 96%  Expected Conc. = 0.0422 
 Median Pct Recovery = 96%  Expected Conc. = 0.0422 
 Median Pct Recovery = 96%  Expected Conc. = 0.0422 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0.042 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 109%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 99%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 100%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 103%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 110%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 104%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 101%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 106%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 83%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 79%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 92%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 104%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 117%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 107%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 96%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 79%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 88%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 87%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 104%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 88%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 97%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 76%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 88%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 106%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 122%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 107%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 87%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 91%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 79%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2-DICHLOROPROPANE
METHOD: 4440 , TESTIDCODE: 34541GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.1768 
 Median Pct Recovery = 100%  Expected Conc. = 0.1768 
 Median Pct Recovery = 100%  Expected Conc. = 0.1768 
 Median Pct Recovery = 100%  Expected Conc. = 0.1768 
 Median Pct Recovery = 100%  Expected Conc. = 0.1768 
 Median Pct Recovery = 100%  Expected Conc. = 0.176 
 Median Pct Recovery = 100%  Expected Conc. = 0.176 
 Median Pct Recovery = 100%  Expected Conc. = 0.176 
 Median Pct Recovery = 100%  Expected Conc. = 0.176 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1204 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.1105 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.11 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.104 
 Median Pct Recovery = 100%  Expected Conc. = 0.1003 
 Median Pct Recovery = 100%  Expected Conc. = 0.1003 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.0663 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.066 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.0602 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.06 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.052 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.0401 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0.04 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 96%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 83%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 101%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 127%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 105%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 99%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 96%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 91%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 114%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 89%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 87%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 116%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 101%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 118%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 111%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 134%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 110%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 97%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 91%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 100%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 100%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 114%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 126%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 121%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 113%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 102%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 105%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 110%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 101%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 128%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 93%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 80%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 84%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 99%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 90%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 105%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 99%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 105%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 103%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 89%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 110%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 112%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 106%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TRANS-1,2-DICHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 34546GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.1208 
 Median Pct Recovery = 104%  Expected Conc. = 0.1208 
 Median Pct Recovery = 104%  Expected Conc. = 0.1208 
 Median Pct Recovery = 104%  Expected Conc. = 0.1208 
 Median Pct Recovery = 104%  Expected Conc. = 0.1208 
 Median Pct Recovery = 104%  Expected Conc. = 0.1 
 Median Pct Recovery = 104%  Expected Conc. = 0.1 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0756 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.0755 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.072 
 Median Pct Recovery = 104%  Expected Conc. = 0.07 
 Median Pct Recovery = 104%  Expected Conc. = 0.07 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.068 
 Median Pct Recovery = 104%  Expected Conc. = 0.05 
 Median Pct Recovery = 104%  Expected Conc. = 0.05 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.0453 
 Median Pct Recovery = 104%  Expected Conc. = 0.042 
 Median Pct Recovery = 104%  Expected Conc. = 0.042 
 Median Pct Recovery = 104%  Expected Conc. = 0.042 
 Median Pct Recovery = 104%  Expected Conc. = 0.042 
 Median Pct Recovery = 104%  Expected Conc. = 0.042 
 Median Pct Recovery = 104%  Expected Conc. = 0.042 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0408 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.0378 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.036 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.028 
 Median Pct Recovery = 104%  Expected Conc. = 0.0272 
 Median Pct Recovery = 104%  Expected Conc. = 0.0272 
 Median Pct Recovery = 104%  Expected Conc. = 0.0272 
 Median Pct Recovery = 104%  Expected Conc. = 0.0272 
 Median Pct Recovery = 104%  Expected Conc. = 0.0272 
 Median Pct Recovery = 104%  Expected Conc. = 0.0272 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 107%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 108%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 107%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 153%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 88%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 95%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 92%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 96%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 103%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 197%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 99%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 110%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 101%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 112%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 95%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 110%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 103%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 106%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 200%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 200%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 200%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 124%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 106%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 174%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 105%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 96%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 104%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 104%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 104%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 85%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 117%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 113%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 106%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 137%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 103%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 104%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 115%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 118%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,4-TRICHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 34551GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.5368 
 Median Pct Recovery = 88%  Expected Conc. = 0.5368 
 Median Pct Recovery = 88%  Expected Conc. = 0.5368 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.533 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3355 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3332 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.3208 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.32 
 Median Pct Recovery = 88%  Expected Conc. = 0.3 
 Median Pct Recovery = 88%  Expected Conc. = 0.3 
 Median Pct Recovery = 88%  Expected Conc. = 0.3 
 Median Pct Recovery = 88%  Expected Conc. = 0.3 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.2013 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.1999 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.18 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.1604 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.16 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0.12 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 99%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 86%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 92%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 78%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 82%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 89%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 89%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 103%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 83%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 74%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 79%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 78%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 66%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 87%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 85%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 86%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 94%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 81%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 88%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 80%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 86%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 64%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 84%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 99%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 84%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 60%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 80%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 83%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 99%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 83%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 88%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 87%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 85%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,3-DICHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 34566GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.16 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.1 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.0972 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.096 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.0898 
 Median Pct Recovery = 96%  Expected Conc. = 0.0898 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.06 
 Median Pct Recovery = 96%  Expected Conc. = 0.054 
 Median Pct Recovery = 96%  Expected Conc. = 0.054 
 Median Pct Recovery = 96%  Expected Conc. = 0.054 
 Median Pct Recovery = 96%  Expected Conc. = 0.054 
 Median Pct Recovery = 96%  Expected Conc. = 0.054 
 Median Pct Recovery = 96%  Expected Conc. = 0.054 
 Median Pct Recovery = 96%  Expected Conc. = 0.0539 
 Median Pct Recovery = 96%  Expected Conc. = 0.0539 
 Median Pct Recovery = 96%  Expected Conc. = 0.0539 
 Median Pct Recovery = 96%  Expected Conc. = 0.0539 
 Median Pct Recovery = 96%  Expected Conc. = 0.0539 
 Median Pct Recovery = 96%  Expected Conc. = 0.0539 
 Median Pct Recovery = 96%  Expected Conc. = 0.05 
 Median Pct Recovery = 96%  Expected Conc. = 0.05 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.0486 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.048 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.036 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0.0359 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 104%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 103%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 108%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 94%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 88%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 110%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 104%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 117%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 107%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 88%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 88%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 82%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 81%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 107%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 84%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 78%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 103%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 88%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 102%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 107%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 92%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 102%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 75%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 90%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 97%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 102%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 75%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 96%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 85%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 87%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 80%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 98%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,4-DICHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 34571GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.176 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.11 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.1052 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.104 
 Median Pct Recovery = 94%  Expected Conc. = 0.1 
 Median Pct Recovery = 94%  Expected Conc. = 0.1 
 Median Pct Recovery = 94%  Expected Conc. = 0.1 
 Median Pct Recovery = 94%  Expected Conc. = 0.1 
 Median Pct Recovery = 94%  Expected Conc. = 0.0982 
 Median Pct Recovery = 94%  Expected Conc. = 0.0982 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.066 
 Median Pct Recovery = 94%  Expected Conc. = 0.06 
 Median Pct Recovery = 94%  Expected Conc. = 0.06 
 Median Pct Recovery = 94%  Expected Conc. = 0.06 
 Median Pct Recovery = 94%  Expected Conc. = 0.06 
 Median Pct Recovery = 94%  Expected Conc. = 0.06 
 Median Pct Recovery = 94%  Expected Conc. = 0.06 
 Median Pct Recovery = 94%  Expected Conc. = 0.0589 
 Median Pct Recovery = 94%  Expected Conc. = 0.0589 
 Median Pct Recovery = 94%  Expected Conc. = 0.0589 
 Median Pct Recovery = 94%  Expected Conc. = 0.0589 
 Median Pct Recovery = 94%  Expected Conc. = 0.0589 
 Median Pct Recovery = 94%  Expected Conc. = 0.0589 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.0526 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.052 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.04 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0.0393 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 109%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 101%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 87%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 95%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 82%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 91%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 90%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 84%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 104%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 90%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 104%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 78%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 106%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 79%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 78%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 85%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 96%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 78%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 96%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 98%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 101%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 93%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 80%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 84%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 99%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 109%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 75%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 108%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 99%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 105%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
DICHLORODIFLUOROMETHANE
METHOD: 4440 , TESTIDCODE: 34668GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.664 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.415 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.404 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.4 
 Median Pct Recovery = 66%  Expected Conc. = 0.3956 
 Median Pct Recovery = 66%  Expected Conc. = 0.3956 
 Median Pct Recovery = 66%  Expected Conc. = 0.375 
 Median Pct Recovery = 66%  Expected Conc. = 0.375 
 Median Pct Recovery = 66%  Expected Conc. = 0.375 
 Median Pct Recovery = 66%  Expected Conc. = 0.375 
 Median Pct Recovery = 66%  Expected Conc. = 0.3738 
 Median Pct Recovery = 66%  Expected Conc. = 0.3738 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.249 
 Median Pct Recovery = 66%  Expected Conc. = 0.225 
 Median Pct Recovery = 66%  Expected Conc. = 0.225 
 Median Pct Recovery = 66%  Expected Conc. = 0.225 
 Median Pct Recovery = 66%  Expected Conc. = 0.225 
 Median Pct Recovery = 66%  Expected Conc. = 0.225 
 Median Pct Recovery = 66%  Expected Conc. = 0.225 
 Median Pct Recovery = 66%  Expected Conc. = 0.2243 
 Median Pct Recovery = 66%  Expected Conc. = 0.2243 
 Median Pct Recovery = 66%  Expected Conc. = 0.2243 
 Median Pct Recovery = 66%  Expected Conc. = 0.2243 
 Median Pct Recovery = 66%  Expected Conc. = 0.2243 
 Median Pct Recovery = 66%  Expected Conc. = 0.2243 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.202 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.2 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.15 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0.1495 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Expected Conc. = 0 
 Median Pct Recovery = 66%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 58%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 53%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 60%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 52%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 63%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 73%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 65%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 43%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 47%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 38%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 59%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 61%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 50%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 54%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 54%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 61%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 64%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 62%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 62%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 141%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 145%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 152%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 138%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 70%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 96%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 122%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 111%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 143%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 160%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 125%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 73%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 63%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 60%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 27%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 32%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 43%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 47%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 66%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 63%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 55%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 69%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 69%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 66%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 61%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 63%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 68%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 60%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 76%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 78%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 66%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 79%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 175%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 167%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 148%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 136%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 65%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 74%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 120%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 117%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 109%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 51%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 68%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 63%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 75%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 70%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 79%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 76%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 80%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Median Pct Recovery = 66%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
NAPHTHALENE
METHOD: 4440 , TESTIDCODE: 34696GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.2 
 Median Pct Recovery = 80%  Expected Conc. = 1.044 
 Median Pct Recovery = 80%  Expected Conc. = 1.044 
 Median Pct Recovery = 80%  Expected Conc. = 1.04 
 Median Pct Recovery = 80%  Expected Conc. = 1.04 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.75 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.7204 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.72 
 Median Pct Recovery = 80%  Expected Conc. = 0.6805 
 Median Pct Recovery = 80%  Expected Conc. = 0.6805 
 Median Pct Recovery = 80%  Expected Conc. = 0.67 
 Median Pct Recovery = 80%  Expected Conc. = 0.67 
 Median Pct Recovery = 80%  Expected Conc. = 0.67 
 Median Pct Recovery = 80%  Expected Conc. = 0.67 
 Median Pct Recovery = 80%  Expected Conc. = 0.52 
 Median Pct Recovery = 80%  Expected Conc. = 0.52 
 Median Pct Recovery = 80%  Expected Conc. = 0.52 
 Median Pct Recovery = 80%  Expected Conc. = 0.52 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.45 
 Median Pct Recovery = 80%  Expected Conc. = 0.4083 
 Median Pct Recovery = 80%  Expected Conc. = 0.4083 
 Median Pct Recovery = 80%  Expected Conc. = 0.4083 
 Median Pct Recovery = 80%  Expected Conc. = 0.4083 
 Median Pct Recovery = 80%  Expected Conc. = 0.4083 
 Median Pct Recovery = 80%  Expected Conc. = 0.4083 
 Median Pct Recovery = 80%  Expected Conc. = 0.402 
 Median Pct Recovery = 80%  Expected Conc. = 0.402 
 Median Pct Recovery = 80%  Expected Conc. = 0.402 
 Median Pct Recovery = 80%  Expected Conc. = 0.402 
 Median Pct Recovery = 80%  Expected Conc. = 0.402 
 Median Pct Recovery = 80%  Expected Conc. = 0.402 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.3602 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.36 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.2722 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0.268 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 98%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 88%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 70%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 84%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 84%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 81%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 78%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 74%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 77%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 74%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 70%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 75%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 64%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 83%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 77%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 71%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 79%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 84%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 91%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 73%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 69%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 87%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 87%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 80%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 71%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 76%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 69%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 75%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 77%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 80%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 84%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 67%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 60%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 71%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 76%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 81%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 74%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 63%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 76%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 84%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 104%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 75%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 79%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 67%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 77%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 80%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 80%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 77%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 81%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 76%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TRANS-1,3-DICHLOROPROPENE
METHOD: 4440 , TESTIDCODE: 34699GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 1.2 
 Median Pct Recovery = 95%  Expected Conc. = 1.2 
 Median Pct Recovery = 95%  Expected Conc. = 1.2 
 Median Pct Recovery = 95%  Expected Conc. = 1.2 
 Median Pct Recovery = 95%  Expected Conc. = 1.2 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 1.168 
 Median Pct Recovery = 95%  Expected Conc. = 0.96 
 Median Pct Recovery = 95%  Expected Conc. = 0.96 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.75 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.73 
 Median Pct Recovery = 95%  Expected Conc. = 0.6785 
 Median Pct Recovery = 95%  Expected Conc. = 0.6785 
 Median Pct Recovery = 95%  Expected Conc. = 0.675 
 Median Pct Recovery = 95%  Expected Conc. = 0.675 
 Median Pct Recovery = 95%  Expected Conc. = 0.675 
 Median Pct Recovery = 95%  Expected Conc. = 0.675 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.5608 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.56 
 Median Pct Recovery = 95%  Expected Conc. = 0.48 
 Median Pct Recovery = 95%  Expected Conc. = 0.48 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.45 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.438 
 Median Pct Recovery = 95%  Expected Conc. = 0.4071 
 Median Pct Recovery = 95%  Expected Conc. = 0.4071 
 Median Pct Recovery = 95%  Expected Conc. = 0.4071 
 Median Pct Recovery = 95%  Expected Conc. = 0.4071 
 Median Pct Recovery = 95%  Expected Conc. = 0.4071 
 Median Pct Recovery = 95%  Expected Conc. = 0.4071 
 Median Pct Recovery = 95%  Expected Conc. = 0.405 
 Median Pct Recovery = 95%  Expected Conc. = 0.405 
 Median Pct Recovery = 95%  Expected Conc. = 0.405 
 Median Pct Recovery = 95%  Expected Conc. = 0.405 
 Median Pct Recovery = 95%  Expected Conc. = 0.405 
 Median Pct Recovery = 95%  Expected Conc. = 0.405 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.2804 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.28 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.2714 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0.27 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 89%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 93%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 98%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 92%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 92%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 98%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 81%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 90%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 131%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 82%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 104%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 69%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 87%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 89%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 83%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 91%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 91%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 118%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 92%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 120%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 109%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 120%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 113%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 120%  Analysis Date = 06/15/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 103%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 89%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 113%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 73%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 108%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 111%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 111%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 126%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 109%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 88%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 114%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 80%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 77%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 83%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CIS-1,3-DICHLOROPROPENE
METHOD: 4440 , TESTIDCODE: 34704GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.664 
 Median Pct Recovery = 91%  Expected Conc. = 0.664 
 Median Pct Recovery = 91%  Expected Conc. = 0.664 
 Median Pct Recovery = 91%  Expected Conc. = 0.664 
 Median Pct Recovery = 91%  Expected Conc. = 0.664 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.648 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.415 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.405 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4008 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.4 
 Median Pct Recovery = 91%  Expected Conc. = 0.396 
 Median Pct Recovery = 91%  Expected Conc. = 0.396 
 Median Pct Recovery = 91%  Expected Conc. = 0.375 
 Median Pct Recovery = 91%  Expected Conc. = 0.375 
 Median Pct Recovery = 91%  Expected Conc. = 0.375 
 Median Pct Recovery = 91%  Expected Conc. = 0.375 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.249 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.243 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.2256 
 Median Pct Recovery = 91%  Expected Conc. = 0.225 
 Median Pct Recovery = 91%  Expected Conc. = 0.225 
 Median Pct Recovery = 91%  Expected Conc. = 0.225 
 Median Pct Recovery = 91%  Expected Conc. = 0.225 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2004 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.2 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.1504 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0.15 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 92%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 98%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 74%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 71%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 81%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 73%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 94%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 124%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 77%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 71%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 76%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 74%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 85%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 91%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 84%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 48%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 49%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 54%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 47%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 113%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 72%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 123%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 107%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 111%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 127%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 110%  Analysis Date = 06/15/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 94%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 78%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 71%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 73%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 88%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 98%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 102%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 108%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 102%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 95%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 116%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 113%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 50%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 51%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 45%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 45%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 109%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 108%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 107%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 114%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 85%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 85%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 105%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
VINYL CHLORIDE
METHOD: 4440 , TESTIDCODE: 39175GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.4 
 Median Pct Recovery = 87%  Expected Conc. = 0.4 
 Median Pct Recovery = 87%  Expected Conc. = 0.4 
 Median Pct Recovery = 87%  Expected Conc. = 0.4 
 Median Pct Recovery = 87%  Expected Conc. = 0.4 
 Median Pct Recovery = 87%  Expected Conc. = 0.384 
 Median Pct Recovery = 87%  Expected Conc. = 0.384 
 Median Pct Recovery = 87%  Expected Conc. = 0.384 
 Median Pct Recovery = 87%  Expected Conc. = 0.384 
 Median Pct Recovery = 87%  Expected Conc. = 0.2904 
 Median Pct Recovery = 87%  Expected Conc. = 0.2904 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.25 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.2422 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.24 
 Median Pct Recovery = 87%  Expected Conc. = 0.225 
 Median Pct Recovery = 87%  Expected Conc. = 0.225 
 Median Pct Recovery = 87%  Expected Conc. = 0.225 
 Median Pct Recovery = 87%  Expected Conc. = 0.225 
 Median Pct Recovery = 87%  Expected Conc. = 0.225 
 Median Pct Recovery = 87%  Expected Conc. = 0.225 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.15 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.144 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.135 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.1211 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0.09 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 78%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 83%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 87%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 101%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 109%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 123%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 71%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 70%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 78%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 72%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 78%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 120%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 103%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 84%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 73%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 80%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 103%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 96%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 90%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 83%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 101%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 71%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 93%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 67%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 71%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 75%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 81%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 81%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 101%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 101%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 103%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 100%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 101%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 110%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 70%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 65%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 80%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 108%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 118%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 125%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 107%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 76%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 72%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 84%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 84%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 114%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 61%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 112%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TRICHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 39180GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.1472 
 Median Pct Recovery = 104%  Expected Conc. = 0.1472 
 Median Pct Recovery = 104%  Expected Conc. = 0.1472 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.144 
 Median Pct Recovery = 104%  Expected Conc. = 0.1 
 Median Pct Recovery = 104%  Expected Conc. = 0.1 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.092 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.09 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.0892 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.088 
 Median Pct Recovery = 104%  Expected Conc. = 0.085 
 Median Pct Recovery = 104%  Expected Conc. = 0.085 
 Median Pct Recovery = 104%  Expected Conc. = 0.083 
 Median Pct Recovery = 104%  Expected Conc. = 0.083 
 Median Pct Recovery = 104%  Expected Conc. = 0.083 
 Median Pct Recovery = 104%  Expected Conc. = 0.083 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.0552 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.054 
 Median Pct Recovery = 104%  Expected Conc. = 0.051 
 Median Pct Recovery = 104%  Expected Conc. = 0.051 
 Median Pct Recovery = 104%  Expected Conc. = 0.051 
 Median Pct Recovery = 104%  Expected Conc. = 0.051 
 Median Pct Recovery = 104%  Expected Conc. = 0.051 
 Median Pct Recovery = 104%  Expected Conc. = 0.051 
 Median Pct Recovery = 104%  Expected Conc. = 0.05 
 Median Pct Recovery = 104%  Expected Conc. = 0.05 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0498 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.0446 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.044 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.034 
 Median Pct Recovery = 104%  Expected Conc. = 0.0332 
 Median Pct Recovery = 104%  Expected Conc. = 0.0332 
 Median Pct Recovery = 104%  Expected Conc. = 0.0332 
 Median Pct Recovery = 104%  Expected Conc. = 0.0332 
 Median Pct Recovery = 104%  Expected Conc. = 0.0332 
 Median Pct Recovery = 104%  Expected Conc. = 0.0332 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Expected Conc. = 0 
 Median Pct Recovery = 104%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 147%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 97%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 103%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 110%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 121%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 109%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 88%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 143%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 106%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 149%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 88%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 101%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 87%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 104%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 94%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 119%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 130%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 90%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 114%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 104%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 105%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 128%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 111%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 148%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 101%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 66%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 114%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 111%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 119%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 106%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 108%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 105%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 113%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 97%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 150%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 112%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 91%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 154%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 143%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 119%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 128%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 120%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 106%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 98%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 95%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Median Pct Recovery = 104%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
HEXACHLOROBUTADIENE
METHOD: 4440 , TESTIDCODE: 39702GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.536 
 Median Pct Recovery = 86%  Expected Conc. = 0.536 
 Median Pct Recovery = 86%  Expected Conc. = 0.536 
 Median Pct Recovery = 86%  Expected Conc. = 0.536 
 Median Pct Recovery = 86%  Expected Conc. = 0.536 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.528 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.335 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.33 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.322 
 Median Pct Recovery = 86%  Expected Conc. = 0.32 
 Median Pct Recovery = 86%  Expected Conc. = 0.32 
 Median Pct Recovery = 86%  Expected Conc. = 0.318 
 Median Pct Recovery = 86%  Expected Conc. = 0.318 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.312 
 Median Pct Recovery = 86%  Expected Conc. = 0.3 
 Median Pct Recovery = 86%  Expected Conc. = 0.3 
 Median Pct Recovery = 86%  Expected Conc. = 0.3 
 Median Pct Recovery = 86%  Expected Conc. = 0.3 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.201 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.198 
 Median Pct Recovery = 86%  Expected Conc. = 0.18 
 Median Pct Recovery = 86%  Expected Conc. = 0.18 
 Median Pct Recovery = 86%  Expected Conc. = 0.18 
 Median Pct Recovery = 86%  Expected Conc. = 0.18 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.1788 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.161 
 Median Pct Recovery = 86%  Expected Conc. = 0.16 
 Median Pct Recovery = 86%  Expected Conc. = 0.16 
 Median Pct Recovery = 86%  Expected Conc. = 0.16 
 Median Pct Recovery = 86%  Expected Conc. = 0.16 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.156 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.12 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0.1192 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Expected Conc. = 0 
 Median Pct Recovery = 86%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 109%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 100%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 88%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 81%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 87%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 93%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 103%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 102%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 83%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 75%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 83%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 86%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 86%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 82%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 98%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 88%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 84%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 79%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 76%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 82%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 82%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 86%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 73%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 86%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 71%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 73%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 89%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 76%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 92%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 98%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 69%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 78%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 79%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 85%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 75%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 77%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 84%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 88%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 79%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Median Pct Recovery = 86%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CHLORODIFLUOROMETHANE
METHOD: 4440 , TESTIDCODE: 45028GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 1.1992 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.7495 
 Median Pct Recovery = 98%  Expected Conc. = 0.724 
 Median Pct Recovery = 98%  Expected Conc. = 0.724 
 Median Pct Recovery = 98%  Expected Conc. = 0.72 
 Median Pct Recovery = 98%  Expected Conc. = 0.72 
 Median Pct Recovery = 98%  Expected Conc. = 0.675 
 Median Pct Recovery = 98%  Expected Conc. = 0.675 
 Median Pct Recovery = 98%  Expected Conc. = 0.675 
 Median Pct Recovery = 98%  Expected Conc. = 0.675 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.4497 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.405 
 Median Pct Recovery = 98%  Expected Conc. = 0.36 
 Median Pct Recovery = 98%  Expected Conc. = 0.36 
 Median Pct Recovery = 98%  Expected Conc. = 0.36 
 Median Pct Recovery = 98%  Expected Conc. = 0.36 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.27 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.1599 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.152 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0.076 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 76%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 68%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 79%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 79%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 106%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 55%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 103%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 94%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 66%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 64%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 61%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 111%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 115%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 106%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 102%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 133%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 43%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 85%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 110%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 120%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 105%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 109%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 111%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 119%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 111%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 108%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 124%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 135%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 141%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 123%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 111%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 126%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 106%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 105%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 87%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 69%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 87%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1-DIFLUOROETHANE
METHOD: 4440 , TESTIDCODE: 49538GCM66
DATES: 05/03/14 - 07/26/17

 Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.05 
 Median Pct Recovery = 100%  Expected Conc. = 0.05 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 71%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 61%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 74%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 71%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 57%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 57%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 77%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 60%  Analysis Date = 07/06/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 68%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 65%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 64%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 127%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 89%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 118%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 106%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 133%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 134%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 96%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 117%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 106%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 57%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 70%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 60%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 69%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 65%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 105%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 115%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 109%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 106%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 124%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 101%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 130%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 143%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 123%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 117%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 80%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 117%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 139%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
METHYL ACRYLATE
METHOD: 4440 , TESTIDCODE: 49991GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 8.008 
 Median Pct Recovery = 92%  Expected Conc. = 8.008 
 Median Pct Recovery = 92%  Expected Conc. = 8.008 
 Median Pct Recovery = 92%  Expected Conc. = 8.008 
 Median Pct Recovery = 92%  Expected Conc. = 8.008 
 Median Pct Recovery = 92%  Expected Conc. = 7.992 
 Median Pct Recovery = 92%  Expected Conc. = 7.992 
 Median Pct Recovery = 92%  Expected Conc. = 7.992 
 Median Pct Recovery = 92%  Expected Conc. = 7.992 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 5.005 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.995 
 Median Pct Recovery = 92%  Expected Conc. = 4.836 
 Median Pct Recovery = 92%  Expected Conc. = 4.836 
 Median Pct Recovery = 92%  Expected Conc. = 4.491 
 Median Pct Recovery = 92%  Expected Conc. = 4.491 
 Median Pct Recovery = 92%  Expected Conc. = 4.48 
 Median Pct Recovery = 92%  Expected Conc. = 4.48 
 Median Pct Recovery = 92%  Expected Conc. = 4.48 
 Median Pct Recovery = 92%  Expected Conc. = 4.48 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.2 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 3.003 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.997 
 Median Pct Recovery = 92%  Expected Conc. = 2.6946 
 Median Pct Recovery = 92%  Expected Conc. = 2.6946 
 Median Pct Recovery = 92%  Expected Conc. = 2.6946 
 Median Pct Recovery = 92%  Expected Conc. = 2.6946 
 Median Pct Recovery = 92%  Expected Conc. = 2.6946 
 Median Pct Recovery = 92%  Expected Conc. = 2.6946 
 Median Pct Recovery = 92%  Expected Conc. = 2.688 
 Median Pct Recovery = 92%  Expected Conc. = 2.688 
 Median Pct Recovery = 92%  Expected Conc. = 2.688 
 Median Pct Recovery = 92%  Expected Conc. = 2.688 
 Median Pct Recovery = 92%  Expected Conc. = 2.688 
 Median Pct Recovery = 92%  Expected Conc. = 2.688 
 Median Pct Recovery = 92%  Expected Conc. = 2.4 
 Median Pct Recovery = 92%  Expected Conc. = 2.4 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.7964 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.792 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 1.6 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 91%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 86%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 115%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 103%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 92%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 96%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 85%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 92%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 87%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 86%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 97%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 87%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 86%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 97%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 101%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 104%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 83%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 92%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 85%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 84%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 92%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 92%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 83%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 104%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 108%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 89%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,3,4-TETRAMETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 49999GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.6674 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4171 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4008 
 Median Pct Recovery = 88%  Expected Conc. = 0.4 
 Median Pct Recovery = 88%  Expected Conc. = 0.4 
 Median Pct Recovery = 88%  Expected Conc. = 0.4 
 Median Pct Recovery = 88%  Expected Conc. = 0.4 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.384 
 Median Pct Recovery = 88%  Expected Conc. = 0.3779 
 Median Pct Recovery = 88%  Expected Conc. = 0.3779 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2503 
 Median Pct Recovery = 88%  Expected Conc. = 0.2267 
 Median Pct Recovery = 88%  Expected Conc. = 0.2267 
 Median Pct Recovery = 88%  Expected Conc. = 0.2267 
 Median Pct Recovery = 88%  Expected Conc. = 0.2267 
 Median Pct Recovery = 88%  Expected Conc. = 0.2267 
 Median Pct Recovery = 88%  Expected Conc. = 0.2267 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2004 
 Median Pct Recovery = 88%  Expected Conc. = 0.2 
 Median Pct Recovery = 88%  Expected Conc. = 0.2 
 Median Pct Recovery = 88%  Expected Conc. = 0.2 
 Median Pct Recovery = 88%  Expected Conc. = 0.2 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.192 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0.1511 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Expected Conc. = 0 
 Median Pct Recovery = 88%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 74%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 104%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 88%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 78%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 112%  Analysis Date = 02/09/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 94%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 81%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 64%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 76%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 105%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 82%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 81%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 104%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 102%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 78%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 87%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 86%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 74%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 69%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 86%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 99%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 54%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 82%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 72%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 78%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 102%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 143%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 97%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 76%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 63%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 97%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 128%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 81%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 110%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Median Pct Recovery = 88%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,3,5-TETRAMETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 50000GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.3224 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.3005 
 Median Pct Recovery = 87%  Expected Conc. = 0.3005 
 Median Pct Recovery = 87%  Expected Conc. = 0.3005 
 Median Pct Recovery = 87%  Expected Conc. = 0.3005 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1815 
 Median Pct Recovery = 87%  Expected Conc. = 0.1803 
 Median Pct Recovery = 87%  Expected Conc. = 0.1803 
 Median Pct Recovery = 87%  Expected Conc. = 0.1803 
 Median Pct Recovery = 87%  Expected Conc. = 0.1803 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.1612 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.121 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0.1202 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 93%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 92%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 84%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 105%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 85%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 85%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 68%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 02/09/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 82%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 94%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 78%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 85%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 81%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 81%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 74%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 102%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 82%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 107%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 84%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 74%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 103%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 80%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 74%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 88%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 88%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 81%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 79%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 88%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 78%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 93%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 104%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 85%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 87%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 59%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 147%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 146%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 122%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 82%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 67%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 116%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 91%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BROMOETHENE
METHOD: 4440 , TESTIDCODE: 50002GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.7856 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.491 
 Median Pct Recovery = 98%  Expected Conc. = 0.488 
 Median Pct Recovery = 98%  Expected Conc. = 0.488 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.48 
 Median Pct Recovery = 98%  Expected Conc. = 0.445 
 Median Pct Recovery = 98%  Expected Conc. = 0.445 
 Median Pct Recovery = 98%  Expected Conc. = 0.445 
 Median Pct Recovery = 98%  Expected Conc. = 0.445 
 Median Pct Recovery = 98%  Expected Conc. = 0.445 
 Median Pct Recovery = 98%  Expected Conc. = 0.445 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.2946 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.267 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.24 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0.178 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 103%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 96%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 101%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 98%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 112%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 109%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 109%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 78%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 91%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 107%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 70%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 130%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 122%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 110%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 92%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 105%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 67%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 80%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 110%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 94%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 76%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 142%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 128%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 74%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 122%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 89%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 79%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 96%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
ETHYL TERT-BUTYL ETHER
METHOD: 4440 , TESTIDCODE: 50004GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.216 
 Median Pct Recovery = 97%  Expected Conc. = 0.216 
 Median Pct Recovery = 97%  Expected Conc. = 0.216 
 Median Pct Recovery = 97%  Expected Conc. = 0.2152 
 Median Pct Recovery = 97%  Expected Conc. = 0.2152 
 Median Pct Recovery = 97%  Expected Conc. = 0.2152 
 Median Pct Recovery = 97%  Expected Conc. = 0.2152 
 Median Pct Recovery = 97%  Expected Conc. = 0.2152 
 Median Pct Recovery = 97%  Expected Conc. = 0.2152 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1345 
 Median Pct Recovery = 97%  Expected Conc. = 0.1292 
 Median Pct Recovery = 97%  Expected Conc. = 0.1292 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.128 
 Median Pct Recovery = 97%  Expected Conc. = 0.1205 
 Median Pct Recovery = 97%  Expected Conc. = 0.1205 
 Median Pct Recovery = 97%  Expected Conc. = 0.1205 
 Median Pct Recovery = 97%  Expected Conc. = 0.1205 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.081 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0807 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.0723 
 Median Pct Recovery = 97%  Expected Conc. = 0.072 
 Median Pct Recovery = 97%  Expected Conc. = 0.072 
 Median Pct Recovery = 97%  Expected Conc. = 0.072 
 Median Pct Recovery = 97%  Expected Conc. = 0.072 
 Median Pct Recovery = 97%  Expected Conc. = 0.072 
 Median Pct Recovery = 97%  Expected Conc. = 0.072 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.064 
 Median Pct Recovery = 97%  Expected Conc. = 0.0482 
 Median Pct Recovery = 97%  Expected Conc. = 0.0482 
 Median Pct Recovery = 97%  Expected Conc. = 0.0482 
 Median Pct Recovery = 97%  Expected Conc. = 0.0482 
 Median Pct Recovery = 97%  Expected Conc. = 0.0482 
 Median Pct Recovery = 97%  Expected Conc. = 0.0482 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0.048 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 97%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 94%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 75%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 85%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 102%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 08/31/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 99%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 104%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 85%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 85%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 131%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 81%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 102%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 95%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 103%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 129%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 94%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 85%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 89%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 107%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 109%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 107%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 90%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 102%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 81%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 103%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 107%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 144%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 111%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 109%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 126%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 76%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 105%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 112%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 104%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 117%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 124%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 116%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 125%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 81%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 75%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 77%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TERT-PENTYL METHYL ETHER (TAME)
METHOD: 4440 , TESTIDCODE: 50005GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.4 
 Median Pct Recovery = 96%  Expected Conc. = 0.4 
 Median Pct Recovery = 96%  Expected Conc. = 0.4 
 Median Pct Recovery = 96%  Expected Conc. = 0.3984 
 Median Pct Recovery = 96%  Expected Conc. = 0.3984 
 Median Pct Recovery = 96%  Expected Conc. = 0.3984 
 Median Pct Recovery = 96%  Expected Conc. = 0.3984 
 Median Pct Recovery = 96%  Expected Conc. = 0.3984 
 Median Pct Recovery = 96%  Expected Conc. = 0.3984 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.25 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.249 
 Median Pct Recovery = 96%  Expected Conc. = 0.242 
 Median Pct Recovery = 96%  Expected Conc. = 0.242 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.225 
 Median Pct Recovery = 96%  Expected Conc. = 0.225 
 Median Pct Recovery = 96%  Expected Conc. = 0.224 
 Median Pct Recovery = 96%  Expected Conc. = 0.224 
 Median Pct Recovery = 96%  Expected Conc. = 0.224 
 Median Pct Recovery = 96%  Expected Conc. = 0.224 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.15 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.1494 
 Median Pct Recovery = 96%  Expected Conc. = 0.135 
 Median Pct Recovery = 96%  Expected Conc. = 0.135 
 Median Pct Recovery = 96%  Expected Conc. = 0.135 
 Median Pct Recovery = 96%  Expected Conc. = 0.135 
 Median Pct Recovery = 96%  Expected Conc. = 0.135 
 Median Pct Recovery = 96%  Expected Conc. = 0.135 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.1344 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.12 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.09 
 Median Pct Recovery = 96%  Expected Conc. = 0.0896 
 Median Pct Recovery = 96%  Expected Conc. = 0.0896 
 Median Pct Recovery = 96%  Expected Conc. = 0.0896 
 Median Pct Recovery = 96%  Expected Conc. = 0.0896 
 Median Pct Recovery = 96%  Expected Conc. = 0.0896 
 Median Pct Recovery = 96%  Expected Conc. = 0.0896 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 92%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 92%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 100%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 84%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 84%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 88%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 08/31/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 103%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 92%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 120%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 83%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 97%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 107%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 87%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 111%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 94%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 102%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 85%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 91%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 75%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 107%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 85%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 107%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 109%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 117%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 95%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 108%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 75%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 108%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 102%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 104%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 94%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 113%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 109%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 85%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 92%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 88%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 82%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 106%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 105%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 109%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2-DICHLORO-1,1,2,2-TETRAFLUOROETHANE
METHOD: 4440 , TESTIDCODE: 50985GCM66
DATES: 05/09/15 - 11/17/17

 Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.2 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.125 
 Median Pct Recovery = 65%  Expected Conc. = 0.12 
 Median Pct Recovery = 65%  Expected Conc. = 0.12 
 Median Pct Recovery = 65%  Expected Conc. = 0.1192 
 Median Pct Recovery = 65%  Expected Conc. = 0.1192 
 Median Pct Recovery = 65%  Expected Conc. = 0.115 
 Median Pct Recovery = 65%  Expected Conc. = 0.115 
 Median Pct Recovery = 65%  Expected Conc. = 0.115 
 Median Pct Recovery = 65%  Expected Conc. = 0.115 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.075 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.0696 
 Median Pct Recovery = 65%  Expected Conc. = 0.069 
 Median Pct Recovery = 65%  Expected Conc. = 0.069 
 Median Pct Recovery = 65%  Expected Conc. = 0.069 
 Median Pct Recovery = 65%  Expected Conc. = 0.069 
 Median Pct Recovery = 65%  Expected Conc. = 0.06 
 Median Pct Recovery = 65%  Expected Conc. = 0.06 
 Median Pct Recovery = 65%  Expected Conc. = 0.06 
 Median Pct Recovery = 65%  Expected Conc. = 0.06 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.0464 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0.046 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Expected Conc. = 0 
 Median Pct Recovery = 65%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 62%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 51%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 54%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 56%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 41%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 47%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 55%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 51%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 60%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 55%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 55%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 51%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 96%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 123%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 122%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 47%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 57%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 63%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 57%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 57%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 43%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 75%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 72%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 74%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 92%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 143%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 127%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 51%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 67%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 80%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 75%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 90%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 126%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 151%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 140%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Median Pct Recovery = 65%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
2,2-DICHLORO-1,1,1-TRIFLUOROETHANE
METHOD: 4440 , TESTIDCODE: 62174GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.1 
 Median Pct Recovery = 106%  Expected Conc. = 0.0992 
 Median Pct Recovery = 106%  Expected Conc. = 0.0992 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0956 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.0598 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.056 
 Median Pct Recovery = 106%  Expected Conc. = 0.055 
 Median Pct Recovery = 106%  Expected Conc. = 0.055 
 Median Pct Recovery = 106%  Expected Conc. = 0.055 
 Median Pct Recovery = 106%  Expected Conc. = 0.055 
 Median Pct Recovery = 106%  Expected Conc. = 0.05 
 Median Pct Recovery = 106%  Expected Conc. = 0.05 
 Median Pct Recovery = 106%  Expected Conc. = 0.05 
 Median Pct Recovery = 106%  Expected Conc. = 0.05 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0399 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0359 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.0333 
 Median Pct Recovery = 106%  Expected Conc. = 0.033 
 Median Pct Recovery = 106%  Expected Conc. = 0.033 
 Median Pct Recovery = 106%  Expected Conc. = 0.033 
 Median Pct Recovery = 106%  Expected Conc. = 0.033 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.028 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.0222 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.022 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0.0199 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 88%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 121%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 99%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 109%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 96%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 104%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 121%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 100%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 109%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 116%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 96%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 108%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 111%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 103%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 88%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 112%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 107%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 110%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 111%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 106%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 76%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 102%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 112%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 114%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 123%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 96%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 85%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 104%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 114%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 113%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 124%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 113%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 132%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 108%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 88%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 111%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 93%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 106%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 139%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 113%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,3-BUTADIENE
METHOD: 4440 , TESTIDCODE: 68726GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.536 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.335 
 Median Pct Recovery = 92%  Expected Conc. = 0.3228 
 Median Pct Recovery = 92%  Expected Conc. = 0.3228 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.32 
 Median Pct Recovery = 92%  Expected Conc. = 0.3 
 Median Pct Recovery = 92%  Expected Conc. = 0.3 
 Median Pct Recovery = 92%  Expected Conc. = 0.3 
 Median Pct Recovery = 92%  Expected Conc. = 0.3 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.201 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.18 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.16 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 65%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 79%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 93%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 75%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 69%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 61%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 63%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 58%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 70%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 70%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 85%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 78%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 100%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 93%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 97%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 100%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 113%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 112%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 111%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 109%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 88%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 72%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 71%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 42%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 68%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 103%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 91%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 99%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 160%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 128%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 80%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 107%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 83%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 134%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 151%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 124%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 114%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 70%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 84%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 110%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 124%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 75%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 136%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 144%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TRANS-1,4-DICHLORO-2-BUTENE
METHOD: 4440 , TESTIDCODE: 73547GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 13.52 
 Median Pct Recovery = 80%  Expected Conc. = 13.52 
 Median Pct Recovery = 80%  Expected Conc. = 13.52 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 13.344 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.45 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.34 
 Median Pct Recovery = 80%  Expected Conc. = 8.16 
 Median Pct Recovery = 80%  Expected Conc. = 8.16 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 8 
 Median Pct Recovery = 80%  Expected Conc. = 7.6 
 Median Pct Recovery = 80%  Expected Conc. = 7.6 
 Median Pct Recovery = 80%  Expected Conc. = 7.285 
 Median Pct Recovery = 80%  Expected Conc. = 7.285 
 Median Pct Recovery = 80%  Expected Conc. = 7.285 
 Median Pct Recovery = 80%  Expected Conc. = 7.285 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.07 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 5.004 
 Median Pct Recovery = 80%  Expected Conc. = 4.56 
 Median Pct Recovery = 80%  Expected Conc. = 4.56 
 Median Pct Recovery = 80%  Expected Conc. = 4.56 
 Median Pct Recovery = 80%  Expected Conc. = 4.56 
 Median Pct Recovery = 80%  Expected Conc. = 4.56 
 Median Pct Recovery = 80%  Expected Conc. = 4.56 
 Median Pct Recovery = 80%  Expected Conc. = 4.371 
 Median Pct Recovery = 80%  Expected Conc. = 4.371 
 Median Pct Recovery = 80%  Expected Conc. = 4.371 
 Median Pct Recovery = 80%  Expected Conc. = 4.371 
 Median Pct Recovery = 80%  Expected Conc. = 4.371 
 Median Pct Recovery = 80%  Expected Conc. = 4.371 
 Median Pct Recovery = 80%  Expected Conc. = 4.08 
 Median Pct Recovery = 80%  Expected Conc. = 4.08 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 4 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 3.04 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 2.914 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Analysis Date = 06/10/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 30%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 96%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 97%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 102%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 74%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 59%  Analysis Date = 06/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 83%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 36%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 73%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 133%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 66%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 74%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 108%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 56%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 55%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 90%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 58%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 91%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 80%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 70%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 74%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 82%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 56%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 79%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 77%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 80%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 80%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 54%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 83%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 73%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 75%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 74%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 98%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 58%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 75%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 73%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 70%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 53%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 68%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 72%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 59%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 75%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 62%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 72%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 82%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
ETHYL METHACRYLATE
METHOD: 4440 , TESTIDCODE: 73570GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 2.668 
 Median Pct Recovery = 92%  Expected Conc. = 2.668 
 Median Pct Recovery = 92%  Expected Conc. = 2.668 
 Median Pct Recovery = 92%  Expected Conc. = 2.668 
 Median Pct Recovery = 92%  Expected Conc. = 2.668 
 Median Pct Recovery = 92%  Expected Conc. = 2.664 
 Median Pct Recovery = 92%  Expected Conc. = 2.664 
 Median Pct Recovery = 92%  Expected Conc. = 2.664 
 Median Pct Recovery = 92%  Expected Conc. = 2.664 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.6675 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.665 
 Median Pct Recovery = 92%  Expected Conc. = 1.58 
 Median Pct Recovery = 92%  Expected Conc. = 1.58 
 Median Pct Recovery = 92%  Expected Conc. = 1.5 
 Median Pct Recovery = 92%  Expected Conc. = 1.5 
 Median Pct Recovery = 92%  Expected Conc. = 1.495 
 Median Pct Recovery = 92%  Expected Conc. = 1.495 
 Median Pct Recovery = 92%  Expected Conc. = 1.495 
 Median Pct Recovery = 92%  Expected Conc. = 1.495 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 1.0005 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.999 
 Median Pct Recovery = 92%  Expected Conc. = 0.9 
 Median Pct Recovery = 92%  Expected Conc. = 0.9 
 Median Pct Recovery = 92%  Expected Conc. = 0.9 
 Median Pct Recovery = 92%  Expected Conc. = 0.9 
 Median Pct Recovery = 92%  Expected Conc. = 0.9 
 Median Pct Recovery = 92%  Expected Conc. = 0.9 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.897 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.8 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.796 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.6 
 Median Pct Recovery = 92%  Expected Conc. = 0.598 
 Median Pct Recovery = 92%  Expected Conc. = 0.598 
 Median Pct Recovery = 92%  Expected Conc. = 0.598 
 Median Pct Recovery = 92%  Expected Conc. = 0.598 
 Median Pct Recovery = 92%  Expected Conc. = 0.598 
 Median Pct Recovery = 92%  Expected Conc. = 0.598 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.4 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0.398 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 87%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 101%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 78%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 82%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 95%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 92%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 76%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 85%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 90%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 94%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 92%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 84%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 101%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 91%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 85%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 98%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 77%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 90%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 89%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 78%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 97%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 88%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 110%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 89%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 95%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 98%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 117%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 103%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 110%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 101%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 113%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CARBON DISULFIDE
METHOD: 4440 , TESTIDCODE: 77041GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.664 
 Median Pct Recovery = 106%  Expected Conc. = 0.664 
 Median Pct Recovery = 106%  Expected Conc. = 0.664 
 Median Pct Recovery = 106%  Expected Conc. = 0.6624 
 Median Pct Recovery = 106%  Expected Conc. = 0.6624 
 Median Pct Recovery = 106%  Expected Conc. = 0.6624 
 Median Pct Recovery = 106%  Expected Conc. = 0.6624 
 Median Pct Recovery = 106%  Expected Conc. = 0.6624 
 Median Pct Recovery = 106%  Expected Conc. = 0.6624 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.415 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.414 
 Median Pct Recovery = 106%  Expected Conc. = 0.404 
 Median Pct Recovery = 106%  Expected Conc. = 0.404 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.4 
 Median Pct Recovery = 106%  Expected Conc. = 0.376 
 Median Pct Recovery = 106%  Expected Conc. = 0.376 
 Median Pct Recovery = 106%  Expected Conc. = 0.376 
 Median Pct Recovery = 106%  Expected Conc. = 0.376 
 Median Pct Recovery = 106%  Expected Conc. = 0.375 
 Median Pct Recovery = 106%  Expected Conc. = 0.375 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.249 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2484 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.2256 
 Median Pct Recovery = 106%  Expected Conc. = 0.225 
 Median Pct Recovery = 106%  Expected Conc. = 0.225 
 Median Pct Recovery = 106%  Expected Conc. = 0.225 
 Median Pct Recovery = 106%  Expected Conc. = 0.225 
 Median Pct Recovery = 106%  Expected Conc. = 0.225 
 Median Pct Recovery = 106%  Expected Conc. = 0.225 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.2 
 Median Pct Recovery = 106%  Expected Conc. = 0.1504 
 Median Pct Recovery = 106%  Expected Conc. = 0.1504 
 Median Pct Recovery = 106%  Expected Conc. = 0.1504 
 Median Pct Recovery = 106%  Expected Conc. = 0.1504 
 Median Pct Recovery = 106%  Expected Conc. = 0.1504 
 Median Pct Recovery = 106%  Expected Conc. = 0.1504 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0.15 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Expected Conc. = 0 
 Median Pct Recovery = 106%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 116%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 102%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 108%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 93%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 96%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 83%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 98%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 103%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 95%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 129%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 70%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 88%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 115%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 105%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 115%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 148%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 159%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 125%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 117%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 107%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 108%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 112%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 98%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 107%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 108%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 108%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 152%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 107%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 123%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 112%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 112%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 148%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 93%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 89%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 86%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 140%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 140%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 151%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 102%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 122%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 111%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 122%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 154%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 119%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 128%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 116%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Median Pct Recovery = 106%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
CIS-1,2-DICHLOROETHYLENE
METHOD: 4440 , TESTIDCODE: 77093GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.136 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.084 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0793 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.0516 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.05 
 Median Pct Recovery = 100%  Expected Conc. = 0.05 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.042 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0396 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.0344 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 105%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 105%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 101%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 111%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 111%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 99%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 99%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 95%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 104%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 115%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 106%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 101%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 114%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 96%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 104%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 102%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 95%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 92%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 96%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 106%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 125%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 140%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 129%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 99%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 102%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
2-HEXANONE
METHOD: 4440 , TESTIDCODE: 77103GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 13.136 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.21 
 Median Pct Recovery = 100%  Expected Conc. = 8.04 
 Median Pct Recovery = 100%  Expected Conc. = 8.04 
 Median Pct Recovery = 100%  Expected Conc. = 8 
 Median Pct Recovery = 100%  Expected Conc. = 8 
 Median Pct Recovery = 100%  Expected Conc. = 7.5 
 Median Pct Recovery = 100%  Expected Conc. = 7.5 
 Median Pct Recovery = 100%  Expected Conc. = 7.5 
 Median Pct Recovery = 100%  Expected Conc. = 7.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.926 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4.5 
 Median Pct Recovery = 100%  Expected Conc. = 4 
 Median Pct Recovery = 100%  Expected Conc. = 4 
 Median Pct Recovery = 100%  Expected Conc. = 4 
 Median Pct Recovery = 100%  Expected Conc. = 4 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 3 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 1.6 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0.8 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 107%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 107%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 114%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 88%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 106%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 87%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 96%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 81%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 102%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 97%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 77%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 113%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 107%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 80%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 121%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 106%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 91%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 125%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 113%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 109%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 122%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 104%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 106%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 87%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 106%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 81%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 113%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 87%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
DICHLOROFLUOROMETHANE
METHOD: 4440 , TESTIDCODE: 77119GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.336 
 Median Pct Recovery = 103%  Expected Conc. = 0.336 
 Median Pct Recovery = 103%  Expected Conc. = 0.336 
 Median Pct Recovery = 103%  Expected Conc. = 0.336 
 Median Pct Recovery = 103%  Expected Conc. = 0.336 
 Median Pct Recovery = 103%  Expected Conc. = 0.32 
 Median Pct Recovery = 103%  Expected Conc. = 0.32 
 Median Pct Recovery = 103%  Expected Conc. = 0.32 
 Median Pct Recovery = 103%  Expected Conc. = 0.32 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.21 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.1866 
 Median Pct Recovery = 103%  Expected Conc. = 0.1866 
 Median Pct Recovery = 103%  Expected Conc. = 0.185 
 Median Pct Recovery = 103%  Expected Conc. = 0.185 
 Median Pct Recovery = 103%  Expected Conc. = 0.185 
 Median Pct Recovery = 103%  Expected Conc. = 0.185 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.126 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.112 
 Median Pct Recovery = 103%  Expected Conc. = 0.112 
 Median Pct Recovery = 103%  Expected Conc. = 0.112 
 Median Pct Recovery = 103%  Expected Conc. = 0.112 
 Median Pct Recovery = 103%  Expected Conc. = 0.112 
 Median Pct Recovery = 103%  Expected Conc. = 0.112 
 Median Pct Recovery = 103%  Expected Conc. = 0.111 
 Median Pct Recovery = 103%  Expected Conc. = 0.111 
 Median Pct Recovery = 103%  Expected Conc. = 0.111 
 Median Pct Recovery = 103%  Expected Conc. = 0.111 
 Median Pct Recovery = 103%  Expected Conc. = 0.111 
 Median Pct Recovery = 103%  Expected Conc. = 0.111 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.1 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.0746 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0.074 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 105%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 110%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 117%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 108%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 108%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 95%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 83%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 108%  Analysis Date = 08/31/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 110%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 115%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 110%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 116%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 88%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 108%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 115%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 123%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 100%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 98%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 109%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 106%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 105%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 108%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 103%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 107%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 104%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 104%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 95%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 79%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 103%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 93%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 119%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 128%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 109%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 109%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 102%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 107%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 92%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
STYRENE
METHOD: 4440 , TESTIDCODE: 77128GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.28 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.175 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.1684 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.168 
 Median Pct Recovery = 91%  Expected Conc. = 0.1625 
 Median Pct Recovery = 91%  Expected Conc. = 0.1625 
 Median Pct Recovery = 91%  Expected Conc. = 0.1625 
 Median Pct Recovery = 91%  Expected Conc. = 0.1625 
 Median Pct Recovery = 91%  Expected Conc. = 0.16 
 Median Pct Recovery = 91%  Expected Conc. = 0.16 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.105 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.0975 
 Median Pct Recovery = 91%  Expected Conc. = 0.096 
 Median Pct Recovery = 91%  Expected Conc. = 0.096 
 Median Pct Recovery = 91%  Expected Conc. = 0.096 
 Median Pct Recovery = 91%  Expected Conc. = 0.096 
 Median Pct Recovery = 91%  Expected Conc. = 0.096 
 Median Pct Recovery = 91%  Expected Conc. = 0.096 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.0842 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.065 
 Median Pct Recovery = 91%  Expected Conc. = 0.065 
 Median Pct Recovery = 91%  Expected Conc. = 0.065 
 Median Pct Recovery = 91%  Expected Conc. = 0.065 
 Median Pct Recovery = 91%  Expected Conc. = 0.065 
 Median Pct Recovery = 91%  Expected Conc. = 0.065 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0.064 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 98%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 102%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 86%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 100%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 96%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 90%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 76%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 105%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 76%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 82%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 91%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 98%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 90%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 89%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 74%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 99%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 92%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 81%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 78%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 84%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 113%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 78%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 88%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 78%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 91%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 78%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 83%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 82%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 76%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 112%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 70%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 109%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 124%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 110%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 84%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 78%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 148%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 94%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 102%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 85%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
O-XYLENE
METHOD: 4440 , TESTIDCODE: 77135GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.216 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.135 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.128 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1206 
 Median Pct Recovery = 93%  Expected Conc. = 0.1205 
 Median Pct Recovery = 93%  Expected Conc. = 0.1205 
 Median Pct Recovery = 93%  Expected Conc. = 0.1205 
 Median Pct Recovery = 93%  Expected Conc. = 0.1205 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.081 
 Median Pct Recovery = 93%  Expected Conc. = 0.0723 
 Median Pct Recovery = 93%  Expected Conc. = 0.0723 
 Median Pct Recovery = 93%  Expected Conc. = 0.0723 
 Median Pct Recovery = 93%  Expected Conc. = 0.0723 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.072 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.064 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0603 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.0482 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0.048 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 99%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 81%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 94%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 86%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 93%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 84%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 90%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 85%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 93%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 119%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 86%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 83%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 101%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 96%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 86%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 80%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 80%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 79%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 88%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 92%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 88%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 105%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 71%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 95%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 137%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 105%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 128%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 113%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 91%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 76%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 106%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 99%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 113%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1-DICHLOROPROPENE
METHOD: 4440 , TESTIDCODE: 77168GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.2664 
 Median Pct Recovery = 98%  Expected Conc. = 0.2664 
 Median Pct Recovery = 98%  Expected Conc. = 0.2664 
 Median Pct Recovery = 98%  Expected Conc. = 0.2664 
 Median Pct Recovery = 98%  Expected Conc. = 0.2664 
 Median Pct Recovery = 98%  Expected Conc. = 0.264 
 Median Pct Recovery = 98%  Expected Conc. = 0.264 
 Median Pct Recovery = 98%  Expected Conc. = 0.264 
 Median Pct Recovery = 98%  Expected Conc. = 0.264 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.1665 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.165 
 Median Pct Recovery = 98%  Expected Conc. = 0.16 
 Median Pct Recovery = 98%  Expected Conc. = 0.16 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.1588 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.156 
 Median Pct Recovery = 98%  Expected Conc. = 0.15 
 Median Pct Recovery = 98%  Expected Conc. = 0.15 
 Median Pct Recovery = 98%  Expected Conc. = 0.15 
 Median Pct Recovery = 98%  Expected Conc. = 0.15 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.0999 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.099 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.0909 
 Median Pct Recovery = 98%  Expected Conc. = 0.09 
 Median Pct Recovery = 98%  Expected Conc. = 0.09 
 Median Pct Recovery = 98%  Expected Conc. = 0.09 
 Median Pct Recovery = 98%  Expected Conc. = 0.09 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.08 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.0794 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.078 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.0606 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0.06 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 99%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 98%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 102%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 113%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 89%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 97%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 102%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 119%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 105%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 107%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 94%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 99%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 90%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 73%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 71%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 112%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 110%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 115%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 115%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 104%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 103%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 96%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 117%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 98%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 102%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 73%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 78%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 108%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 118%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 95%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 101%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 101%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 111%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 117%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 80%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 68%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 77%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 77%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 73%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
2,2-DICHLOROPROPANE
METHOD: 4440 , TESTIDCODE: 77170GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.408 
 Median Pct Recovery = 85%  Expected Conc. = 0.408 
 Median Pct Recovery = 85%  Expected Conc. = 0.408 
 Median Pct Recovery = 85%  Expected Conc. = 0.3984 
 Median Pct Recovery = 85%  Expected Conc. = 0.3984 
 Median Pct Recovery = 85%  Expected Conc. = 0.3984 
 Median Pct Recovery = 85%  Expected Conc. = 0.3984 
 Median Pct Recovery = 85%  Expected Conc. = 0.3984 
 Median Pct Recovery = 85%  Expected Conc. = 0.3984 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.255 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.249 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.2408 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.24 
 Median Pct Recovery = 85%  Expected Conc. = 0.236 
 Median Pct Recovery = 85%  Expected Conc. = 0.236 
 Median Pct Recovery = 85%  Expected Conc. = 0.2255 
 Median Pct Recovery = 85%  Expected Conc. = 0.2255 
 Median Pct Recovery = 85%  Expected Conc. = 0.2255 
 Median Pct Recovery = 85%  Expected Conc. = 0.2255 
 Median Pct Recovery = 85%  Expected Conc. = 0.225 
 Median Pct Recovery = 85%  Expected Conc. = 0.225 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.153 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1494 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.1353 
 Median Pct Recovery = 85%  Expected Conc. = 0.135 
 Median Pct Recovery = 85%  Expected Conc. = 0.135 
 Median Pct Recovery = 85%  Expected Conc. = 0.135 
 Median Pct Recovery = 85%  Expected Conc. = 0.135 
 Median Pct Recovery = 85%  Expected Conc. = 0.135 
 Median Pct Recovery = 85%  Expected Conc. = 0.135 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.1204 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.12 
 Median Pct Recovery = 85%  Expected Conc. = 0.0902 
 Median Pct Recovery = 85%  Expected Conc. = 0.0902 
 Median Pct Recovery = 85%  Expected Conc. = 0.0902 
 Median Pct Recovery = 85%  Expected Conc. = 0.0902 
 Median Pct Recovery = 85%  Expected Conc. = 0.0902 
 Median Pct Recovery = 85%  Expected Conc. = 0.0902 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0.09 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Expected Conc. = 0 
 Median Pct Recovery = 85%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 97%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 87%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 80%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 95%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 85%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 82%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 85%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 77%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 76%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 89%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 62%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 74%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 72%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 85%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 88%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 82%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 115%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 60%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 57%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 58%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 108%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 85%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 79%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/15/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 67%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 107%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 62%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 102%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 68%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 72%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 76%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 70%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 90%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 67%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 87%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 79%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 84%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 74%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 83%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 65%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 78%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 103%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 73%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 69%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Median Pct Recovery = 85%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,3-DICHLOROPROPANE
METHOD: 4440 , TESTIDCODE: 77173GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.3992 
 Median Pct Recovery = 95%  Expected Conc. = 0.3992 
 Median Pct Recovery = 95%  Expected Conc. = 0.3992 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.3976 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2495 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.2485 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.24 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.2388 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.236 
 Median Pct Recovery = 95%  Expected Conc. = 0.2249 
 Median Pct Recovery = 95%  Expected Conc. = 0.2249 
 Median Pct Recovery = 95%  Expected Conc. = 0.22 
 Median Pct Recovery = 95%  Expected Conc. = 0.22 
 Median Pct Recovery = 95%  Expected Conc. = 0.22 
 Median Pct Recovery = 95%  Expected Conc. = 0.22 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1497 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1491 
 Median Pct Recovery = 95%  Expected Conc. = 0.1349 
 Median Pct Recovery = 95%  Expected Conc. = 0.1349 
 Median Pct Recovery = 95%  Expected Conc. = 0.1349 
 Median Pct Recovery = 95%  Expected Conc. = 0.1349 
 Median Pct Recovery = 95%  Expected Conc. = 0.1349 
 Median Pct Recovery = 95%  Expected Conc. = 0.1349 
 Median Pct Recovery = 95%  Expected Conc. = 0.132 
 Median Pct Recovery = 95%  Expected Conc. = 0.132 
 Median Pct Recovery = 95%  Expected Conc. = 0.132 
 Median Pct Recovery = 95%  Expected Conc. = 0.132 
 Median Pct Recovery = 95%  Expected Conc. = 0.132 
 Median Pct Recovery = 95%  Expected Conc. = 0.132 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.12 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.1194 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.118 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0.088 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 109%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 84%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 95%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 95%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 90%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 85%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 90%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 97%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 114%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 89%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 85%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 89%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 95%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 88%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 107%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 102%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 92%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 94%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 97%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 102%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 91%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 103%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 71%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 102%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 98%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 83%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 99%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 99%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 101%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 81%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
O-ETHYL TOLUENE
METHOD: 4440 , TESTIDCODE: 77220GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.216 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.135 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.128 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.1268 
 Median Pct Recovery = 89%  Expected Conc. = 0.12 
 Median Pct Recovery = 89%  Expected Conc. = 0.12 
 Median Pct Recovery = 89%  Expected Conc. = 0.12 
 Median Pct Recovery = 89%  Expected Conc. = 0.12 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.081 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.0726 
 Median Pct Recovery = 89%  Expected Conc. = 0.072 
 Median Pct Recovery = 89%  Expected Conc. = 0.072 
 Median Pct Recovery = 89%  Expected Conc. = 0.072 
 Median Pct Recovery = 89%  Expected Conc. = 0.072 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.064 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0634 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.0484 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0.048 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 84%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 83%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 93%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 79%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 89%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 77%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 88%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 89%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 78%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 91%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 78%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 83%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 79%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 81%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 91%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 77%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 90%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 84%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 91%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 81%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 87%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 99%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 83%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 69%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 79%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 75%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 74%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 84%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 84%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 108%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 67%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 113%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 114%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 74%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 108%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 115%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 98%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 78%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,3-TRIMETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 77221GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.4 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.25 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.2404 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.24 
 Median Pct Recovery = 83%  Expected Conc. = 0.2392 
 Median Pct Recovery = 83%  Expected Conc. = 0.2392 
 Median Pct Recovery = 83%  Expected Conc. = 0.225 
 Median Pct Recovery = 83%  Expected Conc. = 0.225 
 Median Pct Recovery = 83%  Expected Conc. = 0.225 
 Median Pct Recovery = 83%  Expected Conc. = 0.225 
 Median Pct Recovery = 83%  Expected Conc. = 0.225 
 Median Pct Recovery = 83%  Expected Conc. = 0.225 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.15 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.135 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.1202 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.12 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0.09 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Expected Conc. = 0 
 Median Pct Recovery = 83%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 95%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 88%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 75%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 88%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 102%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 89%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 86%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 84%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 77%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 88%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 77%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 79%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 79%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 77%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 76%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 71%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 74%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 83%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 67%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 79%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 84%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 73%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 82%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 73%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 70%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 77%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 68%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 75%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 78%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 77%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 91%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 83%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 81%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 83%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 87%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 61%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 85%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 67%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 77%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 92%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 83%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 79%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 77%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 84%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Median Pct Recovery = 83%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,4-TRIMETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 77222GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.2161 
 Median Pct Recovery = 90%  Expected Conc. = 0.216 
 Median Pct Recovery = 90%  Expected Conc. = 0.216 
 Median Pct Recovery = 90%  Expected Conc. = 0.216 
 Median Pct Recovery = 90%  Expected Conc. = 0.216 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.1351 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.128 
 Median Pct Recovery = 90%  Expected Conc. = 0.118 
 Median Pct Recovery = 90%  Expected Conc. = 0.118 
 Median Pct Recovery = 90%  Expected Conc. = 0.115 
 Median Pct Recovery = 90%  Expected Conc. = 0.115 
 Median Pct Recovery = 90%  Expected Conc. = 0.115 
 Median Pct Recovery = 90%  Expected Conc. = 0.115 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.081 
 Median Pct Recovery = 90%  Expected Conc. = 0.0708 
 Median Pct Recovery = 90%  Expected Conc. = 0.0708 
 Median Pct Recovery = 90%  Expected Conc. = 0.0708 
 Median Pct Recovery = 90%  Expected Conc. = 0.0708 
 Median Pct Recovery = 90%  Expected Conc. = 0.0708 
 Median Pct Recovery = 90%  Expected Conc. = 0.0708 
 Median Pct Recovery = 90%  Expected Conc. = 0.069 
 Median Pct Recovery = 90%  Expected Conc. = 0.069 
 Median Pct Recovery = 90%  Expected Conc. = 0.069 
 Median Pct Recovery = 90%  Expected Conc. = 0.069 
 Median Pct Recovery = 90%  Expected Conc. = 0.069 
 Median Pct Recovery = 90%  Expected Conc. = 0.069 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.064 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.0472 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0.046 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 90%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 110%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 99%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 87%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 106%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 90%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 110%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 76%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 101%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 96%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 77%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 86%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 87%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 74%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 84%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 80%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 76%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 104%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 91%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 78%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 65%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 83%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 92%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 79%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 71%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 76%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 105%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 104%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 63%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 96%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 86%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 104%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 80%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 72%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 85%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 100%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 104%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
ISOPROPYLBENZENE (CUMENE)
METHOD: 4440 , TESTIDCODE: 77223GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.28 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.175 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.168 
 Median Pct Recovery = 87%  Expected Conc. = 0.1606 
 Median Pct Recovery = 87%  Expected Conc. = 0.1606 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.105 
 Median Pct Recovery = 87%  Expected Conc. = 0.0963 
 Median Pct Recovery = 87%  Expected Conc. = 0.0963 
 Median Pct Recovery = 87%  Expected Conc. = 0.0963 
 Median Pct Recovery = 87%  Expected Conc. = 0.0963 
 Median Pct Recovery = 87%  Expected Conc. = 0.0963 
 Median Pct Recovery = 87%  Expected Conc. = 0.0963 
 Median Pct Recovery = 87%  Expected Conc. = 0.096 
 Median Pct Recovery = 87%  Expected Conc. = 0.096 
 Median Pct Recovery = 87%  Expected Conc. = 0.096 
 Median Pct Recovery = 87%  Expected Conc. = 0.096 
 Median Pct Recovery = 87%  Expected Conc. = 0.096 
 Median Pct Recovery = 87%  Expected Conc. = 0.096 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.084 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.08 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.0642 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0.064 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 96%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 80%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 84%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 91%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 79%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 85%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 70%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 74%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 88%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 83%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 82%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 88%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 85%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 80%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 82%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 83%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 80%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 103%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 82%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 73%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 89%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 84%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 74%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 87%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 83%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 79%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 65%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 96%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 117%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 107%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 126%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 120%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 91%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 89%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
N-PROPYLBENZENE
METHOD: 4440 , TESTIDCODE: 77224GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.24 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.15 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.1444 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.144 
 Median Pct Recovery = 94%  Expected Conc. = 0.1355 
 Median Pct Recovery = 94%  Expected Conc. = 0.1355 
 Median Pct Recovery = 94%  Expected Conc. = 0.1355 
 Median Pct Recovery = 94%  Expected Conc. = 0.1355 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.135 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.09 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.0813 
 Median Pct Recovery = 94%  Expected Conc. = 0.081 
 Median Pct Recovery = 94%  Expected Conc. = 0.081 
 Median Pct Recovery = 94%  Expected Conc. = 0.081 
 Median Pct Recovery = 94%  Expected Conc. = 0.081 
 Median Pct Recovery = 94%  Expected Conc. = 0.081 
 Median Pct Recovery = 94%  Expected Conc. = 0.081 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.0722 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.072 
 Median Pct Recovery = 94%  Expected Conc. = 0.0542 
 Median Pct Recovery = 94%  Expected Conc. = 0.0542 
 Median Pct Recovery = 94%  Expected Conc. = 0.0542 
 Median Pct Recovery = 94%  Expected Conc. = 0.0542 
 Median Pct Recovery = 94%  Expected Conc. = 0.0542 
 Median Pct Recovery = 94%  Expected Conc. = 0.0542 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0.054 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 95%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 98%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 112%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 78%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 120%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 81%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 107%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 102%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 109%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 109%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 84%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 93%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 88%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 107%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 94%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 91%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 90%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 106%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 76%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 96%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 83%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 110%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 76%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 71%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 108%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 77%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 74%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 90%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 94%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 105%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 87%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 75%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 112%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 128%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 86%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 111%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 89%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 87%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,3,5-TRIMETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 77226GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.216 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.135 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.128 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.12 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.1186 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.081 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.072 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.064 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.0593 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0.048 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Expected Conc. = 0 
 Median Pct Recovery = 92%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 90%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 85%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 94%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 102%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 86%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 84%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 104%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 105%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 83%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 77%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 82%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 78%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 99%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 82%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 82%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 75%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 83%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 83%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 92%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 84%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 90%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 92%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 102%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 105%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 100%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 89%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 103%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 108%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 106%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 79%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 96%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 99%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 85%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 104%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Median Pct Recovery = 92%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
2-CHLOROTOLUENE
METHOD: 4440 , TESTIDCODE: 77275GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.184 
 Median Pct Recovery = 95%  Expected Conc. = 0.184 
 Median Pct Recovery = 95%  Expected Conc. = 0.184 
 Median Pct Recovery = 95%  Expected Conc. = 0.1832 
 Median Pct Recovery = 95%  Expected Conc. = 0.1832 
 Median Pct Recovery = 95%  Expected Conc. = 0.1832 
 Median Pct Recovery = 95%  Expected Conc. = 0.1832 
 Median Pct Recovery = 95%  Expected Conc. = 0.1832 
 Median Pct Recovery = 95%  Expected Conc. = 0.1832 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.1188 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.115 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.1145 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.112 
 Median Pct Recovery = 95%  Expected Conc. = 0.1055 
 Median Pct Recovery = 95%  Expected Conc. = 0.1055 
 Median Pct Recovery = 95%  Expected Conc. = 0.1055 
 Median Pct Recovery = 95%  Expected Conc. = 0.1055 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.069 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0687 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0642 
 Median Pct Recovery = 95%  Expected Conc. = 0.0633 
 Median Pct Recovery = 95%  Expected Conc. = 0.0633 
 Median Pct Recovery = 95%  Expected Conc. = 0.0633 
 Median Pct Recovery = 95%  Expected Conc. = 0.0633 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.056 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0428 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0.0422 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 105%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 95%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 99%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 100%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 81%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 101%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 88%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 109%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 95%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 88%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 83%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 85%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 147%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 129%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 117%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 87%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 84%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 96%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 101%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 88%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 84%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 118%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 91%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 89%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 86%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 91%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 114%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 92%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 78%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 141%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 123%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 125%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 144%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 92%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 115%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 107%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 88%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
4-CHLOROTOLUENE
METHOD: 4440 , TESTIDCODE: 77277GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.2792 
 Median Pct Recovery = 89%  Expected Conc. = 0.2792 
 Median Pct Recovery = 89%  Expected Conc. = 0.2792 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.2766 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1745 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1729 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.1712 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.168 
 Median Pct Recovery = 89%  Expected Conc. = 0.158 
 Median Pct Recovery = 89%  Expected Conc. = 0.158 
 Median Pct Recovery = 89%  Expected Conc. = 0.155 
 Median Pct Recovery = 89%  Expected Conc. = 0.155 
 Median Pct Recovery = 89%  Expected Conc. = 0.155 
 Median Pct Recovery = 89%  Expected Conc. = 0.155 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1047 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.1037 
 Median Pct Recovery = 89%  Expected Conc. = 0.0948 
 Median Pct Recovery = 89%  Expected Conc. = 0.0948 
 Median Pct Recovery = 89%  Expected Conc. = 0.0948 
 Median Pct Recovery = 89%  Expected Conc. = 0.0948 
 Median Pct Recovery = 89%  Expected Conc. = 0.0948 
 Median Pct Recovery = 89%  Expected Conc. = 0.0948 
 Median Pct Recovery = 89%  Expected Conc. = 0.093 
 Median Pct Recovery = 89%  Expected Conc. = 0.093 
 Median Pct Recovery = 89%  Expected Conc. = 0.093 
 Median Pct Recovery = 89%  Expected Conc. = 0.093 
 Median Pct Recovery = 89%  Expected Conc. = 0.093 
 Median Pct Recovery = 89%  Expected Conc. = 0.093 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.0856 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.084 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.0632 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0.062 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Expected Conc. = 0 
 Median Pct Recovery = 89%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 99%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 87%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 97%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 96%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 95%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 82%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 81%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 88%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 96%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 83%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 83%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 76%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 85%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 82%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 82%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 84%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 79%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 79%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 99%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 80%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 75%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 82%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 79%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 81%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 95%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 68%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 84%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 90%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 77%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 86%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 83%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 74%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 104%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 73%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 85%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 101%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 90%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 92%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 80%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Median Pct Recovery = 89%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BROMOCHLOROMETHANE
METHOD: 4440 , TESTIDCODE: 77297GCM66
DATES: 05/03/14 - 09/07/17

 Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.3984 
 Median Pct Recovery = 103%  Expected Conc. = 0.3984 
 Median Pct Recovery = 103%  Expected Conc. = 0.3984 
 Median Pct Recovery = 103%  Expected Conc. = 0.3984 
 Median Pct Recovery = 103%  Expected Conc. = 0.3984 
 Median Pct Recovery = 103%  Expected Conc. = 0.3984 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.25 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.2404 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.24 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.224 
 Median Pct Recovery = 103%  Expected Conc. = 0.224 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.1494 
 Median Pct Recovery = 103%  Expected Conc. = 0.135 
 Median Pct Recovery = 103%  Expected Conc. = 0.135 
 Median Pct Recovery = 103%  Expected Conc. = 0.135 
 Median Pct Recovery = 103%  Expected Conc. = 0.135 
 Median Pct Recovery = 103%  Expected Conc. = 0.135 
 Median Pct Recovery = 103%  Expected Conc. = 0.135 
 Median Pct Recovery = 103%  Expected Conc. = 0.1344 
 Median Pct Recovery = 103%  Expected Conc. = 0.1344 
 Median Pct Recovery = 103%  Expected Conc. = 0.1344 
 Median Pct Recovery = 103%  Expected Conc. = 0.1344 
 Median Pct Recovery = 103%  Expected Conc. = 0.1344 
 Median Pct Recovery = 103%  Expected Conc. = 0.1344 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.1202 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.12 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0.0896 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 108%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 117%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 127%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 124%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 92%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 122%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 113%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 138%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 113%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 116%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 112%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 102%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 99%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 87%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 82%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 108%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 101%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 112%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 103%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 95%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 118%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 104%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 132%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 115%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 111%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 127%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 114%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 100%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 107%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 103%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 103%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 88%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 85%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 95%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 102%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 106%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 101%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 103%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 96%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 103%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 99%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 105%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,3,4-TETRAHYDRONAPTHALENE
METHOD: 4440 , TESTIDCODE: 77323GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.67 
 Median Pct Recovery = 82%  Expected Conc. = 0.544 
 Median Pct Recovery = 82%  Expected Conc. = 0.544 
 Median Pct Recovery = 82%  Expected Conc. = 0.544 
 Median Pct Recovery = 82%  Expected Conc. = 0.544 
 Median Pct Recovery = 82%  Expected Conc. = 0.5384 
 Median Pct Recovery = 82%  Expected Conc. = 0.5384 
 Median Pct Recovery = 82%  Expected Conc. = 0.5384 
 Median Pct Recovery = 82%  Expected Conc. = 0.5384 
 Median Pct Recovery = 82%  Expected Conc. = 0.5384 
 Median Pct Recovery = 82%  Expected Conc. = 0.5384 
 Median Pct Recovery = 82%  Expected Conc. = 0.402 
 Median Pct Recovery = 82%  Expected Conc. = 0.402 
 Median Pct Recovery = 82%  Expected Conc. = 0.37 
 Median Pct Recovery = 82%  Expected Conc. = 0.37 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.34 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.3365 
 Median Pct Recovery = 82%  Expected Conc. = 0.324 
 Median Pct Recovery = 82%  Expected Conc. = 0.324 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.3226 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.316 
 Median Pct Recovery = 82%  Expected Conc. = 0.299 
 Median Pct Recovery = 82%  Expected Conc. = 0.299 
 Median Pct Recovery = 82%  Expected Conc. = 0.299 
 Median Pct Recovery = 82%  Expected Conc. = 0.299 
 Median Pct Recovery = 82%  Expected Conc. = 0.268 
 Median Pct Recovery = 82%  Expected Conc. = 0.268 
 Median Pct Recovery = 82%  Expected Conc. = 0.2676 
 Median Pct Recovery = 82%  Expected Conc. = 0.2676 
 Median Pct Recovery = 82%  Expected Conc. = 0.222 
 Median Pct Recovery = 82%  Expected Conc. = 0.222 
 Median Pct Recovery = 82%  Expected Conc. = 0.222 
 Median Pct Recovery = 82%  Expected Conc. = 0.222 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.204 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.2019 
 Median Pct Recovery = 82%  Expected Conc. = 0.18 
 Median Pct Recovery = 82%  Expected Conc. = 0.18 
 Median Pct Recovery = 82%  Expected Conc. = 0.18 
 Median Pct Recovery = 82%  Expected Conc. = 0.18 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1794 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.1613 
 Median Pct Recovery = 82%  Expected Conc. = 0.16 
 Median Pct Recovery = 82%  Expected Conc. = 0.16 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.158 
 Median Pct Recovery = 82%  Expected Conc. = 0.148 
 Median Pct Recovery = 82%  Expected Conc. = 0.148 
 Median Pct Recovery = 82%  Expected Conc. = 0.148 
 Median Pct Recovery = 82%  Expected Conc. = 0.148 
 Median Pct Recovery = 82%  Expected Conc. = 0.12 
 Median Pct Recovery = 82%  Expected Conc. = 0.12 
 Median Pct Recovery = 82%  Expected Conc. = 0.12 
 Median Pct Recovery = 82%  Expected Conc. = 0.12 
 Median Pct Recovery = 82%  Expected Conc. = 0.12 
 Median Pct Recovery = 82%  Expected Conc. = 0.12 
 Median Pct Recovery = 82%  Expected Conc. = 0.1196 
 Median Pct Recovery = 82%  Expected Conc. = 0.1196 
 Median Pct Recovery = 82%  Expected Conc. = 0.1196 
 Median Pct Recovery = 82%  Expected Conc. = 0.1196 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Expected Conc. = 0 
 Median Pct Recovery = 82%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 69%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 84%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 77%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 100%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 85%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 81%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 81%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 73%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 74%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 75%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 93%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 81%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 81%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 94%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 76%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 90%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 80%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 75%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 79%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 74%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 78%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 74%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 84%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 70%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 75%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 69%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 78%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 71%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 76%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 82%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 80%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 78%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 81%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 111%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 82%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 84%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 75%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 85%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 117%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 79%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 91%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 79%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 82%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 86%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 82%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 77%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 67%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 86%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 91%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 106%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Median Pct Recovery = 82%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BUTYLBENZENE
METHOD: 4440 , TESTIDCODE: 77342GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.544 
 Median Pct Recovery = 80%  Expected Conc. = 0.544 
 Median Pct Recovery = 80%  Expected Conc. = 0.544 
 Median Pct Recovery = 80%  Expected Conc. = 0.5384 
 Median Pct Recovery = 80%  Expected Conc. = 0.5384 
 Median Pct Recovery = 80%  Expected Conc. = 0.5384 
 Median Pct Recovery = 80%  Expected Conc. = 0.5384 
 Median Pct Recovery = 80%  Expected Conc. = 0.5384 
 Median Pct Recovery = 80%  Expected Conc. = 0.5384 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.34 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3365 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.3232 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.32 
 Median Pct Recovery = 80%  Expected Conc. = 0.3 
 Median Pct Recovery = 80%  Expected Conc. = 0.3 
 Median Pct Recovery = 80%  Expected Conc. = 0.3 
 Median Pct Recovery = 80%  Expected Conc. = 0.3 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.204 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.2019 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.18 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.1616 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.16 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0.12 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 85%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 89%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 96%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 78%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 80%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 79%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 79%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 74%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 83%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 80%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 77%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 68%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 71%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 81%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 79%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 75%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 66%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 78%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 64%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 84%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 68%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 80%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 68%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 75%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 86%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 80%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 74%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 75%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 73%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 82%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 71%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 75%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 85%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 78%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 82%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 74%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 75%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 74%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 77%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 88%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 93%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 91%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 75%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 59%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 79%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 70%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 85%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 103%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 76%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 82%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 82%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 81%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
SEC-BUTYLBENZENE
METHOD: 4440 , TESTIDCODE: 77350GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.224 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.14 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.136 
 Median Pct Recovery = 91%  Expected Conc. = 0.13 
 Median Pct Recovery = 91%  Expected Conc. = 0.13 
 Median Pct Recovery = 91%  Expected Conc. = 0.13 
 Median Pct Recovery = 91%  Expected Conc. = 0.13 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.084 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.0795 
 Median Pct Recovery = 91%  Expected Conc. = 0.078 
 Median Pct Recovery = 91%  Expected Conc. = 0.078 
 Median Pct Recovery = 91%  Expected Conc. = 0.078 
 Median Pct Recovery = 91%  Expected Conc. = 0.078 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.068 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.053 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0.052 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Expected Conc. = 0 
 Median Pct Recovery = 91%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 88%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 128%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 88%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 96%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 98%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 76%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 116%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 104%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 79%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 116%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 76%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 89%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 101%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 78%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 83%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 89%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 73%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 86%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 82%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 83%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 109%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 110%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 66%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 114%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 76%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 81%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 90%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 116%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 107%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 80%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 88%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 91%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 87%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 88%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 101%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 80%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 81%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 71%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 94%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 79%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 97%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 73%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TERT-BUTYLBENZENE
METHOD: 4440 , TESTIDCODE: 77353GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.4104 
 Median Pct Recovery = 84%  Expected Conc. = 0.4104 
 Median Pct Recovery = 84%  Expected Conc. = 0.4104 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.396 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2565 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.2475 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.2376 
 Median Pct Recovery = 84%  Expected Conc. = 0.225 
 Median Pct Recovery = 84%  Expected Conc. = 0.225 
 Median Pct Recovery = 84%  Expected Conc. = 0.225 
 Median Pct Recovery = 84%  Expected Conc. = 0.225 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1539 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1485 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.1371 
 Median Pct Recovery = 84%  Expected Conc. = 0.135 
 Median Pct Recovery = 84%  Expected Conc. = 0.135 
 Median Pct Recovery = 84%  Expected Conc. = 0.135 
 Median Pct Recovery = 84%  Expected Conc. = 0.135 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.1188 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.0914 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0.09 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Expected Conc. = 0 
 Median Pct Recovery = 84%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 108%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 94%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 82%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 104%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 92%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 83%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 99%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 99%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 104%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 80%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 83%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 72%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 73%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 84%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 75%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 72%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 74%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 79%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 80%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 77%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 98%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 84%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 92%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 84%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 84%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 86%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 75%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 59%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 78%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 90%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 80%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 78%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 66%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 82%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 77%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 88%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 79%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 92%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 97%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 81%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 75%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 93%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 80%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 91%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 88%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 86%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
4-ISOPROPYL-1-METHYLBENZENE (CYMENE)
METHOD: 4440 , TESTIDCODE: 77356GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.4056 
 Median Pct Recovery = 79%  Expected Conc. = 0.4056 
 Median Pct Recovery = 79%  Expected Conc. = 0.4056 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.3984 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.2535 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.249 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2448 
 Median Pct Recovery = 79%  Expected Conc. = 0.2424 
 Median Pct Recovery = 79%  Expected Conc. = 0.2424 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.24 
 Median Pct Recovery = 79%  Expected Conc. = 0.225 
 Median Pct Recovery = 79%  Expected Conc. = 0.225 
 Median Pct Recovery = 79%  Expected Conc. = 0.225 
 Median Pct Recovery = 79%  Expected Conc. = 0.225 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1521 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1494 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.1371 
 Median Pct Recovery = 79%  Expected Conc. = 0.135 
 Median Pct Recovery = 79%  Expected Conc. = 0.135 
 Median Pct Recovery = 79%  Expected Conc. = 0.135 
 Median Pct Recovery = 79%  Expected Conc. = 0.135 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.1224 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.12 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.0914 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0.09 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 103%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 82%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 68%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 91%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 79%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 74%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 72%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 77%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 88%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 89%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 71%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 81%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 71%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 68%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 60%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 74%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 78%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 69%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 78%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 71%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 82%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 70%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 76%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 67%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 76%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 62%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 78%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 74%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 85%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 77%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 85%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 79%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 60%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 72%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 75%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 50%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 74%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 84%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 79%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 82%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 75%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 78%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 80%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 81%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 58%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 87%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 79%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 60%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 85%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 106%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 75%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 83%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 67%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 82%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 88%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 83%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
METHYL IODIDE
METHOD: 4440 , TESTIDCODE: 77424GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 2.264 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.415 
 Median Pct Recovery = 93%  Expected Conc. = 1.364 
 Median Pct Recovery = 93%  Expected Conc. = 1.364 
 Median Pct Recovery = 93%  Expected Conc. = 1.255 
 Median Pct Recovery = 93%  Expected Conc. = 1.255 
 Median Pct Recovery = 93%  Expected Conc. = 1.255 
 Median Pct Recovery = 93%  Expected Conc. = 1.255 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.0408 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 1.04 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.849 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.78 
 Median Pct Recovery = 93%  Expected Conc. = 0.753 
 Median Pct Recovery = 93%  Expected Conc. = 0.753 
 Median Pct Recovery = 93%  Expected Conc. = 0.753 
 Median Pct Recovery = 93%  Expected Conc. = 0.753 
 Median Pct Recovery = 93%  Expected Conc. = 0.68 
 Median Pct Recovery = 93%  Expected Conc. = 0.68 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.5204 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.52 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0.502 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 126%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 113%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 62%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 101%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 92%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 84%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 84%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 119%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 63%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 113%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 93%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 07/06/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 76%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 50%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 108%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 109%  Analysis Date = 02/28/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 75%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 57%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 67%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 127%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 91%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 77%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 79%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 80%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 65%  Analysis Date = 06/13/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 61%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 99%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 115%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 104%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 114%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 85%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 101%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 114%  Analysis Date = 07/06/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 116%  Analysis Date = 06/15/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 63%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 93%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 178%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 89%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/29/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 116%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 103%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 91%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 67%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 116%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 34%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 113%  Analysis Date = 11/20/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 101%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 107%  Analysis Date = 06/04/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 130%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 39%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 138%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 71%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 106%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 81%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 06/29/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 108%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,3-TRICHLOROPROPANE
METHOD: 4440 , TESTIDCODE: 77443GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.8 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.5 
 Median Pct Recovery = 96%  Expected Conc. = 0.484 
 Median Pct Recovery = 96%  Expected Conc. = 0.484 
 Median Pct Recovery = 96%  Expected Conc. = 0.48 
 Median Pct Recovery = 96%  Expected Conc. = 0.48 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.476 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.4756 
 Median Pct Recovery = 96%  Expected Conc. = 0.45 
 Median Pct Recovery = 96%  Expected Conc. = 0.45 
 Median Pct Recovery = 96%  Expected Conc. = 0.45 
 Median Pct Recovery = 96%  Expected Conc. = 0.45 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.3 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.27 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.24 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.238 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.2378 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0.18 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Expected Conc. = 0 
 Median Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 94%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 98%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 114%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 104%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 105%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 91%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 109%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 97%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 96%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 99%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 111%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 92%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 85%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 85%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 91%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 87%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 88%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 104%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 86%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 82%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 108%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 85%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 113%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 96%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 116%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 104%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 81%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 101%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 93%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 95%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 91%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 78%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 99%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 89%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 75%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 103%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 103%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 108%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 82%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 96%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 101%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Median Pct Recovery = 96%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1,1,2-TETRACHLOROETHANE
METHOD: 4440 , TESTIDCODE: 77562GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.264 
 Median Pct Recovery = 93%  Expected Conc. = 0.264 
 Median Pct Recovery = 93%  Expected Conc. = 0.264 
 Median Pct Recovery = 93%  Expected Conc. = 0.2624 
 Median Pct Recovery = 93%  Expected Conc. = 0.2624 
 Median Pct Recovery = 93%  Expected Conc. = 0.2624 
 Median Pct Recovery = 93%  Expected Conc. = 0.2624 
 Median Pct Recovery = 93%  Expected Conc. = 0.2624 
 Median Pct Recovery = 93%  Expected Conc. = 0.2624 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.165 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.164 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.1628 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.16 
 Median Pct Recovery = 93%  Expected Conc. = 0.15 
 Median Pct Recovery = 93%  Expected Conc. = 0.15 
 Median Pct Recovery = 93%  Expected Conc. = 0.15 
 Median Pct Recovery = 93%  Expected Conc. = 0.15 
 Median Pct Recovery = 93%  Expected Conc. = 0.1479 
 Median Pct Recovery = 93%  Expected Conc. = 0.1479 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.099 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.0984 
 Median Pct Recovery = 93%  Expected Conc. = 0.09 
 Median Pct Recovery = 93%  Expected Conc. = 0.09 
 Median Pct Recovery = 93%  Expected Conc. = 0.09 
 Median Pct Recovery = 93%  Expected Conc. = 0.09 
 Median Pct Recovery = 93%  Expected Conc. = 0.09 
 Median Pct Recovery = 93%  Expected Conc. = 0.09 
 Median Pct Recovery = 93%  Expected Conc. = 0.0887 
 Median Pct Recovery = 93%  Expected Conc. = 0.0887 
 Median Pct Recovery = 93%  Expected Conc. = 0.0887 
 Median Pct Recovery = 93%  Expected Conc. = 0.0887 
 Median Pct Recovery = 93%  Expected Conc. = 0.0887 
 Median Pct Recovery = 93%  Expected Conc. = 0.0887 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.0814 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.08 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.06 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0.0592 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Expected Conc. = 0 
 Median Pct Recovery = 93%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 100%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 107%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 88%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 91%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 94%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 104%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 79%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 93%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 91%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 93%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 95%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 88%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 100%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 104%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 92%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 91%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 95%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 91%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 101%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 91%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 89%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 99%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 89%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 84%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 88%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 90%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 87%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 91%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 101%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 99%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 109%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 105%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 97%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 88%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 88%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 85%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Median Pct Recovery = 93%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2,3-TRICHLOROBENZENE
METHOD: 4440 , TESTIDCODE: 77613GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.4 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.25 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.2408 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.24 
 Median Pct Recovery = 90%  Expected Conc. = 0.2255 
 Median Pct Recovery = 90%  Expected Conc. = 0.2255 
 Median Pct Recovery = 90%  Expected Conc. = 0.2255 
 Median Pct Recovery = 90%  Expected Conc. = 0.2255 
 Median Pct Recovery = 90%  Expected Conc. = 0.225 
 Median Pct Recovery = 90%  Expected Conc. = 0.225 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.15 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.1353 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.135 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.1204 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.12 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.0902 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0.09 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 88%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 91%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 86%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 106%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 88%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 98%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 88%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 89%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 78%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 96%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 89%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 102%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 86%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 93%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 84%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 87%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 83%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 81%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 83%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 108%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 86%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 86%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 107%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 98%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 85%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 95%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 71%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 91%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 85%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 97%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 103%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 98%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 93%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 96%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 79%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 87%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 88%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 87%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2-DIBROMOETHANE
METHOD: 4440 , TESTIDCODE: 77651GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.1856 
 Median Pct Recovery = 98%  Expected Conc. = 0.1856 
 Median Pct Recovery = 98%  Expected Conc. = 0.1856 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.1838 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.116 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1149 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.1128 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.112 
 Median Pct Recovery = 98%  Expected Conc. = 0.105 
 Median Pct Recovery = 98%  Expected Conc. = 0.105 
 Median Pct Recovery = 98%  Expected Conc. = 0.1045 
 Median Pct Recovery = 98%  Expected Conc. = 0.1045 
 Median Pct Recovery = 98%  Expected Conc. = 0.1045 
 Median Pct Recovery = 98%  Expected Conc. = 0.1045 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0696 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.0689 
 Median Pct Recovery = 98%  Expected Conc. = 0.063 
 Median Pct Recovery = 98%  Expected Conc. = 0.063 
 Median Pct Recovery = 98%  Expected Conc. = 0.063 
 Median Pct Recovery = 98%  Expected Conc. = 0.063 
 Median Pct Recovery = 98%  Expected Conc. = 0.063 
 Median Pct Recovery = 98%  Expected Conc. = 0.063 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0627 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.0564 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.056 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.042 
 Median Pct Recovery = 98%  Expected Conc. = 0.0418 
 Median Pct Recovery = 98%  Expected Conc. = 0.0418 
 Median Pct Recovery = 98%  Expected Conc. = 0.0418 
 Median Pct Recovery = 98%  Expected Conc. = 0.0418 
 Median Pct Recovery = 98%  Expected Conc. = 0.0418 
 Median Pct Recovery = 98%  Expected Conc. = 0.0418 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Expected Conc. = 0 
 Median Pct Recovery = 98%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 110%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 88%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 88%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 103%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 94%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 80%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 108%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 121%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 97%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 85%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 104%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 95%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 102%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 88%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 88%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 99%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 89%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 122%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 87%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 100%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 100%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 98%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 87%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 107%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 74%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 129%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 118%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 125%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 118%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 88%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 111%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 102%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 84%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 126%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 116%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 82%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 114%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 124%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 125%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 132%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 83%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 102%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Median Pct Recovery = 98%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,1,2-TRICHLOROTRIFLUOROETHANE
METHOD: 4440 , TESTIDCODE: 77652GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.144 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.1 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.088 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.0876 
 Median Pct Recovery = 97%  Expected Conc. = 0.085 
 Median Pct Recovery = 97%  Expected Conc. = 0.085 
 Median Pct Recovery = 97%  Expected Conc. = 0.0835 
 Median Pct Recovery = 97%  Expected Conc. = 0.0835 
 Median Pct Recovery = 97%  Expected Conc. = 0.0835 
 Median Pct Recovery = 97%  Expected Conc. = 0.0835 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.054 
 Median Pct Recovery = 97%  Expected Conc. = 0.051 
 Median Pct Recovery = 97%  Expected Conc. = 0.051 
 Median Pct Recovery = 97%  Expected Conc. = 0.051 
 Median Pct Recovery = 97%  Expected Conc. = 0.051 
 Median Pct Recovery = 97%  Expected Conc. = 0.051 
 Median Pct Recovery = 97%  Expected Conc. = 0.051 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.0501 
 Median Pct Recovery = 97%  Expected Conc. = 0.05 
 Median Pct Recovery = 97%  Expected Conc. = 0.05 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.044 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.0438 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.034 
 Median Pct Recovery = 97%  Expected Conc. = 0.0334 
 Median Pct Recovery = 97%  Expected Conc. = 0.0334 
 Median Pct Recovery = 97%  Expected Conc. = 0.0334 
 Median Pct Recovery = 97%  Expected Conc. = 0.0334 
 Median Pct Recovery = 97%  Expected Conc. = 0.0334 
 Median Pct Recovery = 97%  Expected Conc. = 0.0334 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 97%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 80%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 94%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 88%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 99%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 99%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 82%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 83%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 84%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 77%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 106%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 82%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 151%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 135%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 144%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 135%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 109%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 101%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 114%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 119%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 114%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 74%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 102%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 99%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 101%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 140%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 83%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 76%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 84%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 139%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 143%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 149%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 126%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 106%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 121%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 105%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 111%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 122%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 127%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 88%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 93%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TERT-BUTYL METHYL ETHER (MTBE)
METHOD: 4440 , TESTIDCODE: 78032GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.664 
 Median Pct Recovery = 103%  Expected Conc. = 0.664 
 Median Pct Recovery = 103%  Expected Conc. = 0.664 
 Median Pct Recovery = 103%  Expected Conc. = 0.6624 
 Median Pct Recovery = 103%  Expected Conc. = 0.6624 
 Median Pct Recovery = 103%  Expected Conc. = 0.6624 
 Median Pct Recovery = 103%  Expected Conc. = 0.6624 
 Median Pct Recovery = 103%  Expected Conc. = 0.6624 
 Median Pct Recovery = 103%  Expected Conc. = 0.6624 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.415 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.414 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4008 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3992 
 Median Pct Recovery = 103%  Expected Conc. = 0.3758 
 Median Pct Recovery = 103%  Expected Conc. = 0.3758 
 Median Pct Recovery = 103%  Expected Conc. = 0.375 
 Median Pct Recovery = 103%  Expected Conc. = 0.375 
 Median Pct Recovery = 103%  Expected Conc. = 0.375 
 Median Pct Recovery = 103%  Expected Conc. = 0.375 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.249 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2484 
 Median Pct Recovery = 103%  Expected Conc. = 0.2255 
 Median Pct Recovery = 103%  Expected Conc. = 0.2255 
 Median Pct Recovery = 103%  Expected Conc. = 0.2255 
 Median Pct Recovery = 103%  Expected Conc. = 0.2255 
 Median Pct Recovery = 103%  Expected Conc. = 0.2255 
 Median Pct Recovery = 103%  Expected Conc. = 0.2255 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2004 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1996 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.1503 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 108%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 104%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 87%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 103%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 103%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 103%  Analysis Date = 08/31/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 98%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 107%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 106%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 104%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 102%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 102%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 104%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 122%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 104%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 126%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 85%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 110%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 110%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 107%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 102%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 87%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 85%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 101%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 99%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 108%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 116%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 96%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 108%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 97%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 103%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 106%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 121%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 104%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 89%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 92%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 95%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 110%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 101%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 106%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 114%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 120%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 110%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 111%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 91%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 90%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 103%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 91%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
3-CHLOROPROPENE
METHOD: 4440 , TESTIDCODE: 78109GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.5384 
 Median Pct Recovery = 94%  Expected Conc. = 0.5384 
 Median Pct Recovery = 94%  Expected Conc. = 0.5384 
 Median Pct Recovery = 94%  Expected Conc. = 0.5384 
 Median Pct Recovery = 94%  Expected Conc. = 0.5384 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3365 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.3208 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.32 
 Median Pct Recovery = 94%  Expected Conc. = 0.2978 
 Median Pct Recovery = 94%  Expected Conc. = 0.2978 
 Median Pct Recovery = 94%  Expected Conc. = 0.295 
 Median Pct Recovery = 94%  Expected Conc. = 0.295 
 Median Pct Recovery = 94%  Expected Conc. = 0.295 
 Median Pct Recovery = 94%  Expected Conc. = 0.295 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.2019 
 Median Pct Recovery = 94%  Expected Conc. = 0.1787 
 Median Pct Recovery = 94%  Expected Conc. = 0.1787 
 Median Pct Recovery = 94%  Expected Conc. = 0.1787 
 Median Pct Recovery = 94%  Expected Conc. = 0.1787 
 Median Pct Recovery = 94%  Expected Conc. = 0.1787 
 Median Pct Recovery = 94%  Expected Conc. = 0.1787 
 Median Pct Recovery = 94%  Expected Conc. = 0.177 
 Median Pct Recovery = 94%  Expected Conc. = 0.177 
 Median Pct Recovery = 94%  Expected Conc. = 0.177 
 Median Pct Recovery = 94%  Expected Conc. = 0.177 
 Median Pct Recovery = 94%  Expected Conc. = 0.177 
 Median Pct Recovery = 94%  Expected Conc. = 0.177 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.1604 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.16 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.1191 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0.118 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 98%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 94%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 79%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 91%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 94%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 97%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 94%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 103%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 113%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 139%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 104%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 102%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 100%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 102%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 81%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 84%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 90%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 106%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 87%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 91%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 94%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 90%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 113%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 92%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 111%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 118%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 104%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 92%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 92%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 80%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 104%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
4-METHYL-2-PENTANONE
METHOD: 4440 , TESTIDCODE: 78133GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 14.576 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 9.11 
 Median Pct Recovery = 94%  Expected Conc. = 8.27 
 Median Pct Recovery = 94%  Expected Conc. = 8.27 
 Median Pct Recovery = 94%  Expected Conc. = 8.17 
 Median Pct Recovery = 94%  Expected Conc. = 8.17 
 Median Pct Recovery = 94%  Expected Conc. = 8.17 
 Median Pct Recovery = 94%  Expected Conc. = 8.17 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 5.466 
 Median Pct Recovery = 94%  Expected Conc. = 4.962 
 Median Pct Recovery = 94%  Expected Conc. = 4.962 
 Median Pct Recovery = 94%  Expected Conc. = 4.962 
 Median Pct Recovery = 94%  Expected Conc. = 4.962 
 Median Pct Recovery = 94%  Expected Conc. = 4.962 
 Median Pct Recovery = 94%  Expected Conc. = 4.962 
 Median Pct Recovery = 94%  Expected Conc. = 4.902 
 Median Pct Recovery = 94%  Expected Conc. = 4.902 
 Median Pct Recovery = 94%  Expected Conc. = 4.902 
 Median Pct Recovery = 94%  Expected Conc. = 4.902 
 Median Pct Recovery = 94%  Expected Conc. = 4.902 
 Median Pct Recovery = 94%  Expected Conc. = 4.902 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.308 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.268 
 Median Pct Recovery = 94%  Expected Conc. = 3.072 
 Median Pct Recovery = 94%  Expected Conc. = 3.072 
 Median Pct Recovery = 94%  Expected Conc. = 1.536 
 Median Pct Recovery = 94%  Expected Conc. = 1.536 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.64 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.28 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 1.264 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0.632 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 100%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 102%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 106%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 84%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 92%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 96%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 99%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 87%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 76%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 86%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 90%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 80%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 82%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 80%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 94%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 89%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 86%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 82%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 84%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 102%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 77%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 100%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 88%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 104%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 119%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 114%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 112%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 82%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 106%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 94%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 106%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 101%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 125%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 109%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 107%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
ACETONE
METHOD: 4440 , TESTIDCODE: 81552GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 28.024 
 Median Pct Recovery = 115%  Expected Conc. = 27.84 
 Median Pct Recovery = 115%  Expected Conc. = 27.84 
 Median Pct Recovery = 115%  Expected Conc. = 27.84 
 Median Pct Recovery = 115%  Expected Conc. = 27.84 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.515 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 17.4 
 Median Pct Recovery = 115%  Expected Conc. = 15.76 
 Median Pct Recovery = 115%  Expected Conc. = 15.76 
 Median Pct Recovery = 115%  Expected Conc. = 15.75 
 Median Pct Recovery = 115%  Expected Conc. = 15.75 
 Median Pct Recovery = 115%  Expected Conc. = 15.75 
 Median Pct Recovery = 115%  Expected Conc. = 15.75 
 Median Pct Recovery = 115%  Expected Conc. = 13.744 
 Median Pct Recovery = 115%  Expected Conc. = 13.744 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.6 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 13.588 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.509 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 10.44 
 Median Pct Recovery = 115%  Expected Conc. = 9.456 
 Median Pct Recovery = 115%  Expected Conc. = 9.456 
 Median Pct Recovery = 115%  Expected Conc. = 9.456 
 Median Pct Recovery = 115%  Expected Conc. = 9.456 
 Median Pct Recovery = 115%  Expected Conc. = 9.456 
 Median Pct Recovery = 115%  Expected Conc. = 9.456 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 9.45 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.8 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.794 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.304 
 Median Pct Recovery = 115%  Expected Conc. = 6.3 
 Median Pct Recovery = 115%  Expected Conc. = 6.3 
 Median Pct Recovery = 115%  Expected Conc. = 6.3 
 Median Pct Recovery = 115%  Expected Conc. = 6.3 
 Median Pct Recovery = 115%  Expected Conc. = 6.3 
 Median Pct Recovery = 115%  Expected Conc. = 6.3 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Expected Conc. = 0 
 Median Pct Recovery = 115%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 124%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 127%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 116%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 98%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 80%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 116%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 115%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 82%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 124%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 119%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 107%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 108%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 137%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 109%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 99%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 132%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 109%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 115%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 129%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 111%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 110%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 105%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 135%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 126%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 124%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 109%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 112%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 106%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 127%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 115%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 123%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 124%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 138%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 80%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 93%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 116%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 98%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 106%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 117%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 102%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 115%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 122%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 107%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 144%  Analysis Date = 01/24/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 175%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 133%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 120%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 114%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 85%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 116%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 127%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 114%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 91%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 115%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 92%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 118%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 107%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 119%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Median Pct Recovery = 115%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BROMOBENZENE
METHOD: 4440 , TESTIDCODE: 81555GCM66
DATES: 05/03/14 - 11/17/17

 Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.144 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.1 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.09 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.088 
 Median Pct Recovery = 100%  Expected Conc. = 0.0857 
 Median Pct Recovery = 100%  Expected Conc. = 0.0857 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.085 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.054 
 Median Pct Recovery = 100%  Expected Conc. = 0.0514 
 Median Pct Recovery = 100%  Expected Conc. = 0.0514 
 Median Pct Recovery = 100%  Expected Conc. = 0.0514 
 Median Pct Recovery = 100%  Expected Conc. = 0.0514 
 Median Pct Recovery = 100%  Expected Conc. = 0.0514 
 Median Pct Recovery = 100%  Expected Conc. = 0.0514 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.051 
 Median Pct Recovery = 100%  Expected Conc. = 0.05 
 Median Pct Recovery = 100%  Expected Conc. = 0.05 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.044 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.0343 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0.034 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 101%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 135%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 97%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 127%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 103%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 131%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 99%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 111%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 104%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 123%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 111%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 128%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 137%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 119%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 124%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 105%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 102%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 95%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 98%  Analysis Date = 09/21/14 
 SpikeMix = Supelco LC06438: 20 µl 
 Pct Recovery = 98%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 97%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 88%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 92%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 92%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 98%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 94%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 117%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 131%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 91%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 128%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 93%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 131%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 124%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 96%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 97%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 117%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 121%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 96%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 91%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 91%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 105%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 92%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 105%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 105%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 98%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 103%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 101%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 106%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 89%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 120%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 111%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 99%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 89%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 96%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
BUTANE
METHOD: 4440 , TESTIDCODE: 81563GCM66
DATES: 05/09/15 - 09/07/17

 Expected Conc. = 0.2 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.145 
 Median Pct Recovery = 80%  Expected Conc. = 0.1433 
 Median Pct Recovery = 80%  Expected Conc. = 0.1433 
 Median Pct Recovery = 80%  Expected Conc. = 0.1 
 Median Pct Recovery = 80%  Expected Conc. = 0.1 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.087 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.086 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.0573 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0.058 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Expected Conc. = 0 
 Median Pct Recovery = 80%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 103%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 88%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 56%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 77%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 96%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 67%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 74%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 68%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 63%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 80%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 81%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 58%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Median Pct Recovery = 80%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
DIETHYL ETHER
METHOD: 4440 , TESTIDCODE: 81576GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.6688 
 Median Pct Recovery = 103%  Expected Conc. = 0.6688 
 Median Pct Recovery = 103%  Expected Conc. = 0.6688 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.6656 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.418 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.416 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.4 
 Median Pct Recovery = 103%  Expected Conc. = 0.3765 
 Median Pct Recovery = 103%  Expected Conc. = 0.3765 
 Median Pct Recovery = 103%  Expected Conc. = 0.3765 
 Median Pct Recovery = 103%  Expected Conc. = 0.3765 
 Median Pct Recovery = 103%  Expected Conc. = 0.375 
 Median Pct Recovery = 103%  Expected Conc. = 0.375 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2508 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2496 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.2259 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.225 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.2 
 Median Pct Recovery = 103%  Expected Conc. = 0.1506 
 Median Pct Recovery = 103%  Expected Conc. = 0.1506 
 Median Pct Recovery = 103%  Expected Conc. = 0.1506 
 Median Pct Recovery = 103%  Expected Conc. = 0.1506 
 Median Pct Recovery = 103%  Expected Conc. = 0.1506 
 Median Pct Recovery = 103%  Expected Conc. = 0.1506 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0.15 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 105%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 110%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 98%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 94%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 101%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 114%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 112%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 113%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 82%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 100%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 84%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 88%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 98%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 107%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 127%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 105%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 92%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 103%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 109%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 103%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 115%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 105%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 102%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 106%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 107%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 109%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 78%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 105%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 109%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 70%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 144%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 115%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 116%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 113%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 86%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 116%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 103%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 97%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 123%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 110%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 133%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 113%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 99%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 120%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 107%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 126%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 92%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 101%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 97%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
DIISOPROPYL ETHER
METHOD: 4440 , TESTIDCODE: 81577GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.4008 
 Median Pct Recovery = 97%  Expected Conc. = 0.4008 
 Median Pct Recovery = 97%  Expected Conc. = 0.4008 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.3996 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2505 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.2498 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.24 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.2392 
 Median Pct Recovery = 97%  Expected Conc. = 0.226 
 Median Pct Recovery = 97%  Expected Conc. = 0.226 
 Median Pct Recovery = 97%  Expected Conc. = 0.226 
 Median Pct Recovery = 97%  Expected Conc. = 0.226 
 Median Pct Recovery = 97%  Expected Conc. = 0.225 
 Median Pct Recovery = 97%  Expected Conc. = 0.225 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1503 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1499 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.1356 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.135 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.12 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.1196 
 Median Pct Recovery = 97%  Expected Conc. = 0.0904 
 Median Pct Recovery = 97%  Expected Conc. = 0.0904 
 Median Pct Recovery = 97%  Expected Conc. = 0.0904 
 Median Pct Recovery = 97%  Expected Conc. = 0.0904 
 Median Pct Recovery = 97%  Expected Conc. = 0.0904 
 Median Pct Recovery = 97%  Expected Conc. = 0.0904 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0.09 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Expected Conc. = 0 
 Median Pct Recovery = 97%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 106%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 99%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 92%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 94%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 87%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 96%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 104%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 91%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 120%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 108%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 92%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 81%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 82%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 125%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 113%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 113%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 91%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 93%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 117%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 110%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 99%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 90%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 107%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 84%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 96%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 131%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 101%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 68%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 116%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 103%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 103%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 99%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 90%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 115%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 99%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 88%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 93%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 115%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 122%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 104%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 146%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 114%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 101%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 116%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 100%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 91%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Median Pct Recovery = 97%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
HEXANE
METHOD: 4440 , TESTIDCODE: 81590GCM66
DATES: 07/11/14 - 09/07/17

 Expected Conc. = 0.2 
 Median Pct Recovery = 95%  Expected Conc. = 0.1608 
 Median Pct Recovery = 95%  Expected Conc. = 0.1608 
 Median Pct Recovery = 95%  Expected Conc. = 0.1608 
 Median Pct Recovery = 95%  Expected Conc. = 0.1608 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1584 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1005 
 Median Pct Recovery = 95%  Expected Conc. = 0.1 
 Median Pct Recovery = 95%  Expected Conc. = 0.1 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.099 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.096 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.09 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0603 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.0594 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.054 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.048 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0.036 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 60%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 118%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 75%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 76%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 88%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 126%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 98%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 80%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 70%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 119%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 100%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 50%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 101%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 121%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 115%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 71%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 141%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 148%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 167%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 136%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 92%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 79%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 66%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 93%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 113%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 86%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 101%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 118%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 107%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 64%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 78%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 87%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 94%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 95%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 113%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 133%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 170%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 170%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 148%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 76%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 83%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 121%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 104%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 91%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 86%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 79%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 101%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 90%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
METHYL ACRYLONITRILE
METHOD: 4440 , TESTIDCODE: 81593GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 2.136 
 Median Pct Recovery = 100%  Expected Conc. = 2.136 
 Median Pct Recovery = 100%  Expected Conc. = 2.136 
 Median Pct Recovery = 100%  Expected Conc. = 2.136 
 Median Pct Recovery = 100%  Expected Conc. = 2.136 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 2.128 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.335 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.33 
 Median Pct Recovery = 100%  Expected Conc. = 1.284 
 Median Pct Recovery = 100%  Expected Conc. = 1.284 
 Median Pct Recovery = 100%  Expected Conc. = 1.28 
 Median Pct Recovery = 100%  Expected Conc. = 1.28 
 Median Pct Recovery = 100%  Expected Conc. = 1.2 
 Median Pct Recovery = 100%  Expected Conc. = 1.2 
 Median Pct Recovery = 100%  Expected Conc. = 1.195 
 Median Pct Recovery = 100%  Expected Conc. = 1.195 
 Median Pct Recovery = 100%  Expected Conc. = 1.195 
 Median Pct Recovery = 100%  Expected Conc. = 1.195 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.0404 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 1.036 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.801 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.798 
 Median Pct Recovery = 100%  Expected Conc. = 0.72 
 Median Pct Recovery = 100%  Expected Conc. = 0.72 
 Median Pct Recovery = 100%  Expected Conc. = 0.72 
 Median Pct Recovery = 100%  Expected Conc. = 0.72 
 Median Pct Recovery = 100%  Expected Conc. = 0.72 
 Median Pct Recovery = 100%  Expected Conc. = 0.72 
 Median Pct Recovery = 100%  Expected Conc. = 0.717 
 Median Pct Recovery = 100%  Expected Conc. = 0.717 
 Median Pct Recovery = 100%  Expected Conc. = 0.717 
 Median Pct Recovery = 100%  Expected Conc. = 0.717 
 Median Pct Recovery = 100%  Expected Conc. = 0.717 
 Median Pct Recovery = 100%  Expected Conc. = 0.717 
 Median Pct Recovery = 100%  Expected Conc. = 0.64 
 Median Pct Recovery = 100%  Expected Conc. = 0.64 
 Median Pct Recovery = 100%  Expected Conc. = 0.64 
 Median Pct Recovery = 100%  Expected Conc. = 0.64 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.5202 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.518 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.48 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0.478 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Expected Conc. = 0 
 Median Pct Recovery = 100%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 97%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 104%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 101%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 102%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 91%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 105%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 92%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 101%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 102%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 106%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 100%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 98%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 95%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 103%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 112%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 91%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 95%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 107%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 104%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 91%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 100%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 103%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 98%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 99%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 94%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 120%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 110%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 117%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 102%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 94%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 107%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 96%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 94%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 103%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 90%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 106%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 97%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 93%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 112%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 106%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 114%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 80%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 96%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 112%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 108%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 102%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 93%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 108%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 110%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 93%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 99%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 112%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 90%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 109%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
2-BUTANONE
METHOD: 4440 , TESTIDCODE: 81595GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 13.52 
 Median Pct Recovery = 94%  Expected Conc. = 13.52 
 Median Pct Recovery = 94%  Expected Conc. = 13.52 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 13.344 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.45 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8.34 
 Median Pct Recovery = 94%  Expected Conc. = 8 
 Median Pct Recovery = 94%  Expected Conc. = 8 
 Median Pct Recovery = 94%  Expected Conc. = 8 
 Median Pct Recovery = 94%  Expected Conc. = 8 
 Median Pct Recovery = 94%  Expected Conc. = 7.51 
 Median Pct Recovery = 94%  Expected Conc. = 7.51 
 Median Pct Recovery = 94%  Expected Conc. = 7.495 
 Median Pct Recovery = 94%  Expected Conc. = 7.495 
 Median Pct Recovery = 94%  Expected Conc. = 7.495 
 Median Pct Recovery = 94%  Expected Conc. = 7.495 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.424 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 6.36 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.07 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 5.004 
 Median Pct Recovery = 94%  Expected Conc. = 4.506 
 Median Pct Recovery = 94%  Expected Conc. = 4.506 
 Median Pct Recovery = 94%  Expected Conc. = 4.506 
 Median Pct Recovery = 94%  Expected Conc. = 4.506 
 Median Pct Recovery = 94%  Expected Conc. = 4.506 
 Median Pct Recovery = 94%  Expected Conc. = 4.506 
 Median Pct Recovery = 94%  Expected Conc. = 4.497 
 Median Pct Recovery = 94%  Expected Conc. = 4.497 
 Median Pct Recovery = 94%  Expected Conc. = 4.497 
 Median Pct Recovery = 94%  Expected Conc. = 4.497 
 Median Pct Recovery = 94%  Expected Conc. = 4.497 
 Median Pct Recovery = 94%  Expected Conc. = 4.497 
 Median Pct Recovery = 94%  Expected Conc. = 4 
 Median Pct Recovery = 94%  Expected Conc. = 4 
 Median Pct Recovery = 94%  Expected Conc. = 4 
 Median Pct Recovery = 94%  Expected Conc. = 4 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.212 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.18 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 3.004 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 2.998 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Expected Conc. = 0 
 Median Pct Recovery = 94%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 84%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 101%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 97%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 107%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 103%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 83%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 109%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 104%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 102%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 110%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 112%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 101%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 88%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 71%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 97%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 101%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 90%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 85%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 100%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 94%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 89%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 108%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 120%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 90%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 114%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 92%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 86%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 97%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 81%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 90%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 94%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 96%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 111%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 61%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 79%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 87%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 77%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 97%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 106%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 78%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 105%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 113%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 103%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 94%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 115%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 95%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 90%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 76%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 105%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 82%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 85%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 90%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 87%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 110%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 87%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Median Pct Recovery = 94%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
METHYL METHACRYLATE
METHOD: 4440 , TESTIDCODE: 81597GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 2.416 
 Median Pct Recovery = 90%  Expected Conc. = 2.416 
 Median Pct Recovery = 90%  Expected Conc. = 2.416 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 2.404 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.51 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.5025 
 Median Pct Recovery = 90%  Expected Conc. = 1.448 
 Median Pct Recovery = 90%  Expected Conc. = 1.448 
 Median Pct Recovery = 90%  Expected Conc. = 1.36 
 Median Pct Recovery = 90%  Expected Conc. = 1.36 
 Median Pct Recovery = 90%  Expected Conc. = 1.345 
 Median Pct Recovery = 90%  Expected Conc. = 1.345 
 Median Pct Recovery = 90%  Expected Conc. = 1.345 
 Median Pct Recovery = 90%  Expected Conc. = 1.345 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.906 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.9015 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.884 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.88 
 Median Pct Recovery = 90%  Expected Conc. = 0.816 
 Median Pct Recovery = 90%  Expected Conc. = 0.816 
 Median Pct Recovery = 90%  Expected Conc. = 0.816 
 Median Pct Recovery = 90%  Expected Conc. = 0.816 
 Median Pct Recovery = 90%  Expected Conc. = 0.816 
 Median Pct Recovery = 90%  Expected Conc. = 0.816 
 Median Pct Recovery = 90%  Expected Conc. = 0.807 
 Median Pct Recovery = 90%  Expected Conc. = 0.807 
 Median Pct Recovery = 90%  Expected Conc. = 0.807 
 Median Pct Recovery = 90%  Expected Conc. = 0.807 
 Median Pct Recovery = 90%  Expected Conc. = 0.807 
 Median Pct Recovery = 90%  Expected Conc. = 0.807 
 Median Pct Recovery = 90%  Expected Conc. = 0.72 
 Median Pct Recovery = 90%  Expected Conc. = 0.72 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.544 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.538 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.442 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0.44 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Expected Conc. = 0 
 Median Pct Recovery = 90%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 89%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 84%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 84%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 95%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 96%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 79%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 84%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 89%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 85%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 87%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 103%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 95%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 81%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 86%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 79%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 90%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 96%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 85%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 89%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 92%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 84%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 95%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 85%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 89%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 88%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 90%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 101%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 104%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 70%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 86%  Analysis Date = 03/06/15 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 90%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 08/16/14 
 SpikeMix = ERA 0227-14-06.1A: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 90%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 90%  Analysis Date = 11/22/14 
 SpikeMix = NSI 032614: 20 µl & Spex Organics C1140417015: 20 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 95%  Analysis Date = 06/10/14 
 SpikeMix = NSI 032614: 20 µl & Supelco LC06438: 20 µl 
 Pct Recovery = 93%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 97%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 83%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 85%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 105%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 94%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 91%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 121%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 86%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 96%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 97%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 96%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 85%  Analysis Date = 08/07/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 95%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 81%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 92%  Analysis Date = 10/21/14 
 SpikeMix = ERA 0227-14-06.1A: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 94%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 91%  Analysis Date = 07/11/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 103%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 117%  Analysis Date = 09/09/14 
 SpikeMix = NSI 032614: 10 µl & Spex Organics C1140417015: 10 µl 
 Pct Recovery = 114%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/30/14 
 SpikeMix = NSI 032614: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 82%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Median Pct Recovery = 90%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
N-PENTANE
METHOD: 4440 , TESTIDCODE: 81604GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.2644 
 Median Pct Recovery = 103%  Expected Conc. = 0.264 
 Median Pct Recovery = 103%  Expected Conc. = 0.264 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.144 
 Median Pct Recovery = 103%  Expected Conc. = 0.132 
 Median Pct Recovery = 103%  Expected Conc. = 0.132 
 Median Pct Recovery = 103%  Expected Conc. = 0.132 
 Median Pct Recovery = 103%  Expected Conc. = 0.132 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.09 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.088 
 Median Pct Recovery = 103%  Expected Conc. = 0.085 
 Median Pct Recovery = 103%  Expected Conc. = 0.085 
 Median Pct Recovery = 103%  Expected Conc. = 0.085 
 Median Pct Recovery = 103%  Expected Conc. = 0.085 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.0802 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.0516 
 Median Pct Recovery = 103%  Expected Conc. = 0.051 
 Median Pct Recovery = 103%  Expected Conc. = 0.051 
 Median Pct Recovery = 103%  Expected Conc. = 0.051 
 Median Pct Recovery = 103%  Expected Conc. = 0.051 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.044 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0401 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.0344 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.034 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0.054 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Expected Conc. = 0 
 Median Pct Recovery = 103%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 110%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 73%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 90%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 117%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 117%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 111%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 124%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 70%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 06/09/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 05/17/17 
 SpikeMix = Phenova B20160319: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 91%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 90%  Analysis Date = 02/24/17 
 SpikeMix = Supelco LC20141V: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 101%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 127%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 111%  Analysis Date = 08/12/16 
 SpikeMix = ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 
 Pct Recovery = 110%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 104%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 94%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 52%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 45%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 49%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 54%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 112%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 102%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 72%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 127%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 131%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 102%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 106%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 102%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 146%  Analysis Date = 05/27/16 
 SpikeMix = Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 99%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 95%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 113%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 118%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 103%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 88%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 103%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 105%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 48%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 52%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 61%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 72%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 99%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 146%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 143%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 130%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 118%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 116%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 104%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 83%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 84%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 117%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 128%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 102%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 73%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 109%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 96%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 119%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 130%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 122%  Analysis Date = 11/29/16 
 SpikeMix = ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 104%  Analysis Date = 10/29/16 
 SpikeMix = Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 
 Pct Recovery = 98%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 120%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Median Pct Recovery = 103%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
TETRAHYDROFURAN
METHOD: 4440 , TESTIDCODE: 81607GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 16 
 Median Pct Recovery = 101%  Expected Conc. = 16 
 Median Pct Recovery = 101%  Expected Conc. = 16 
 Median Pct Recovery = 101%  Expected Conc. = 16 
 Median Pct Recovery = 101%  Expected Conc. = 16 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 15.984 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 10 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.99 
 Median Pct Recovery = 101%  Expected Conc. = 9.64 
 Median Pct Recovery = 101%  Expected Conc. = 9.64 
 Median Pct Recovery = 101%  Expected Conc. = 9.6 
 Median Pct Recovery = 101%  Expected Conc. = 9.6 
 Median Pct Recovery = 101%  Expected Conc. = 9 
 Median Pct Recovery = 101%  Expected Conc. = 9 
 Median Pct Recovery = 101%  Expected Conc. = 9 
 Median Pct Recovery = 101%  Expected Conc. = 9 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 6 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.994 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.6 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.596 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.46 
 Median Pct Recovery = 101%  Expected Conc. = 5.4 
 Median Pct Recovery = 101%  Expected Conc. = 5.4 
 Median Pct Recovery = 101%  Expected Conc. = 5.4 
 Median Pct Recovery = 101%  Expected Conc. = 5.4 
 Median Pct Recovery = 101%  Expected Conc. = 4.8 
 Median Pct Recovery = 101%  Expected Conc. = 4.8 
 Median Pct Recovery = 101%  Expected Conc. = 4.8 
 Median Pct Recovery = 101%  Expected Conc. = 4.8 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.64 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 3.6 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.8 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 2.798 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Expected Conc. = 0 
 Median Pct Recovery = 101%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 113%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 109%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 101%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 105%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 110%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 102%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 111%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 114%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 119%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 108%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 113%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 102%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 105%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 108%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 104%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 99%  Analysis Date = 09/01/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 90%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 101%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 93%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 92%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 107%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 103%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 102%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 102%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 112%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 73%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 100%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 91%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 108%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 109%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 88%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 89%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 99%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 85%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 86%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 78%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 83%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 120%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 86%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 101%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 100%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 103%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 106%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 103%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 79%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 102%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 100%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 95%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 88%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 106%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 102%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 95%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 98%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 90%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 95%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 89%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 105%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 125%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 86%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 87%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 77%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 82%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Median Pct Recovery = 101%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1,2-DIBROMO-3-CHLOROPROPANE
METHOD: 4440 , TESTIDCODE: 82625GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 6.736 
 Median Pct Recovery = 79%  Expected Conc. = 6.736 
 Median Pct Recovery = 79%  Expected Conc. = 6.736 
 Median Pct Recovery = 79%  Expected Conc. = 6.736 
 Median Pct Recovery = 79%  Expected Conc. = 6.736 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 6.6 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.21 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 4.125 
 Median Pct Recovery = 79%  Expected Conc. = 3.76 
 Median Pct Recovery = 79%  Expected Conc. = 3.76 
 Median Pct Recovery = 79%  Expected Conc. = 3.75 
 Median Pct Recovery = 79%  Expected Conc. = 3.75 
 Median Pct Recovery = 79%  Expected Conc. = 3.75 
 Median Pct Recovery = 79%  Expected Conc. = 3.75 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.526 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.475 
 Median Pct Recovery = 79%  Expected Conc. = 2.256 
 Median Pct Recovery = 79%  Expected Conc. = 2.256 
 Median Pct Recovery = 79%  Expected Conc. = 2.256 
 Median Pct Recovery = 79%  Expected Conc. = 2.256 
 Median Pct Recovery = 79%  Expected Conc. = 2.256 
 Median Pct Recovery = 79%  Expected Conc. = 2.256 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 2.25 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6008 
 Median Pct Recovery = 79%  Expected Conc. = 1.6 
 Median Pct Recovery = 79%  Expected Conc. = 1.6 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.584 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.504 
 Median Pct Recovery = 79%  Expected Conc. = 1.5 
 Median Pct Recovery = 79%  Expected Conc. = 1.5 
 Median Pct Recovery = 79%  Expected Conc. = 1.5 
 Median Pct Recovery = 79%  Expected Conc. = 1.5 
 Median Pct Recovery = 79%  Expected Conc. = 1.5 
 Median Pct Recovery = 79%  Expected Conc. = 1.5 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8 
 Median Pct Recovery = 79%  Expected Conc. = 0.8 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.8004 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0.792 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Expected Conc. = 0 
 Median Pct Recovery = 79%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 79%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 85%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 96%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 77%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 82%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 86%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 78%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 81%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 81%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 105%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 86%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 86%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 70%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 78%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 85%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 87%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 86%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 69%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/16/15 
 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl 
 Pct Recovery = 74%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 75%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 71%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 71%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 73%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 69%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 81%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 71%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 87%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 76%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 79%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 81%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 72%  Analysis Date = 04/26/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 97%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 86%  Analysis Date = 02/05/16 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 71%  Analysis Date = 10/16/15 
 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 82%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 79%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 77%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 89%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 71%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 81%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 78%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 73%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 81%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 72%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 94%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 70%  Analysis Date = 12/10/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 80%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 90%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 79%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 69%  Analysis Date = 06/27/15 
 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 83%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 94%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 79%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 100%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 75%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 91%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 78%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 75%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 80%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 90%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Median Pct Recovery = 79%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
1-CHLORO-1,1-DIFLUOROETHANE
METHOD: 4440 , TESTIDCODE: 85668GCM66
DATES: 05/01/14 - 09/07/17

 Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.225 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.1407 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.14 
 Median Pct Recovery = 95%  Expected Conc. = 0.136 
 Median Pct Recovery = 95%  Expected Conc. = 0.136 
 Median Pct Recovery = 95%  Expected Conc. = 0.13 
 Median Pct Recovery = 95%  Expected Conc. = 0.13 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.1243 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.0844 
 Median Pct Recovery = 95%  Expected Conc. = 0.078 
 Median Pct Recovery = 95%  Expected Conc. = 0.078 
 Median Pct Recovery = 95%  Expected Conc. = 0.078 
 Median Pct Recovery = 95%  Expected Conc. = 0.078 
 Median Pct Recovery = 95%  Expected Conc. = 0.078 
 Median Pct Recovery = 95%  Expected Conc. = 0.078 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.07 
 Median Pct Recovery = 95%  Expected Conc. = 0.068 
 Median Pct Recovery = 95%  Expected Conc. = 0.068 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.0622 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0.052 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Expected Conc. = 0 
 Median Pct Recovery = 95%  Analysis Date = 01/26/17 
 SpikeMix = ChemService 5082900: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 88%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 75%  Analysis Date = 07/20/16 
 SpikeMix = Supelco LC20141V: 40 µl & Accu 216041125: 40 µl 
 Pct Recovery = 108%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 88%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 94%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 88%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 97%  Analysis Date = 09/29/16 
 SpikeMix = ChemService 5082900: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 105%  Analysis Date = 09/08/16 
 SpikeMix = Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 
 Pct Recovery = 95%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 99%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 106%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 98%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 96%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 86%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 63%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 83%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 94%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 110%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 114%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 109%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 77%  Analysis Date = 12/24/16 
 SpikeMix = Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 75%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 93%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 105%  Analysis Date = 06/30/16 
 SpikeMix = ChemService 5082900: 15 µl & Accu 216041125: 15 µl 
 Pct Recovery = 75%  Analysis Date = 11/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl 
 Pct Recovery = 78%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 80%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 95%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 107%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 102%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 107%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 109%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 51%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 106%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 119%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 139%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 115%  Analysis Date = 03/17/16 
 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl 
 Pct Recovery = 84%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 86%  Analysis Date = 09/03/15 
 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl 
 Pct Recovery = 80%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Median Pct Recovery = 95%  Y = 1
The SGPlot Procedure

BQS OBSP Determination:
M- AND P-XYLENE
METHOD: 4440 , TESTIDCODE: 85795GCM66
DATES: 05/01/14 - 11/17/17

 Expected Conc. = 0.544 
 Median Pct Recovery = 87%  Expected Conc. = 0.544 
 Median Pct Recovery = 87%  Expected Conc. = 0.544 
 Median Pct Recovery = 87%  Expected Conc. = 0.544 
 Median Pct Recovery = 87%  Expected Conc. = 0.544 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.536 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.34 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.335 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.32 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.3198 
 Median Pct Recovery = 87%  Expected Conc. = 0.318 
 Median Pct Recovery = 87%  Expected Conc. = 0.318 
 Median Pct Recovery = 87%  Expected Conc. = 0.3 
 Median Pct Recovery = 87%  Expected Conc. = 0.3 
 Median Pct Recovery = 87%  Expected Conc. = 0.3 
 Median Pct Recovery = 87%  Expected Conc. = 0.3 
 Median Pct Recovery = 87%  Expected Conc. = 0.2998 
 Median Pct Recovery = 87%  Expected Conc. = 0.2998 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.204 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.201 
 Median Pct Recovery = 87%  Expected Conc. = 0.18 
 Median Pct Recovery = 87%  Expected Conc. = 0.18 
 Median Pct Recovery = 87%  Expected Conc. = 0.18 
 Median Pct Recovery = 87%  Expected Conc. = 0.18 
 Median Pct Recovery = 87%  Expected Conc. = 0.18 
 Median Pct Recovery = 87%  Expected Conc. = 0.18 
 Median Pct Recovery = 87%  Expected Conc. = 0.1799 
 Median Pct Recovery = 87%  Expected Conc. = 0.1799 
 Median Pct Recovery = 87%  Expected Conc. = 0.1799 
 Median Pct Recovery = 87%  Expected Conc. = 0.1799 
 Median Pct Recovery = 87%  Expected Conc. = 0.1799 
 Median Pct Recovery = 87%  Expected Conc. = 0.1799 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.16 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.1599 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.12 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0.1199 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Expected Conc. = 0 
 Median Pct Recovery = 87%  Analysis Date = 03/09/17 
 SpikeMix = Phenova B20160319: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 101%  Analysis Date = 12/16/16 
 SpikeMix = NSI 041816AVOC: 40 µl & ChemService 5082900: 40 µl 
 Pct Recovery = 85%  Analysis Date = 07/14/16 
 SpikeMix = Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 
 Pct Recovery = 93%  Analysis Date = 03/16/17 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 97%  Analysis Date = 01/04/17 
 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 91%  Analysis Date = 12/12/16 
 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 
 Pct Recovery = 105%  Analysis Date = 08/04/16 
 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl 
 Pct Recovery = 83%  Analysis Date = 04/21/17 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 91%  Analysis Date = 02/03/17 
 SpikeMix = Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 78%  Analysis Date = 11/14/16 
 SpikeMix = Phenova B20160319: 25 µl & NSI 041816AVOC: 25 µl 
 Pct Recovery = 93%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 79%  Analysis Date = 07/20/16 
 SpikeMix = NSI 041816AVOC: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 100%  Analysis Date = 06/23/17 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 80%  Analysis Date = 06/17/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 04/03/17 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 103%  Analysis Date = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 89%  Analysis Date = 06/30/16 
 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 81%  Analysis Date = 06/21/16 
 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 93%  Analysis Date = 05/24/16 
 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 
 Pct Recovery = 91%  Analysis Date = 08/29/17 
 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl 
 Pct Recovery = 75%  Analysis Date = 03/19/15 
 SpikeMix = Spex Organics C1140417015: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 81%  Analysis Date = 12/17/14 
 SpikeMix = Supelco LC06438: 20 µl & Crescent 03DD004: 20 µl 
 Pct Recovery = 200%  Analysis Date = 11/14/14 
 SpikeMix = Crescent 03DD004: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 77%  Analysis Date = 06/10/14 
 SpikeMix = Crescent 03DD004: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 78%  Analysis Date = 04/09/15 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 83%  Analysis Date = 08/19/14 
 SpikeMix = Spex Organics C1140417015: 20 µl & Accu 214031115: 20 µl 
 Pct Recovery = 84%  Analysis Date = 07/01/14 
 SpikeMix = Accu 214031115: 20 µl & ERA 0227-14-06.1A: 20 µl 
 Pct Recovery = 84%  Analysis Date = 05/01/14 
 SpikeMix = Accu 214031115: 20 µl & NSI 032614: 20 µl 
 Pct Recovery = 76%  Analysis Date = 11/17/17 
 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl 
 Pct Recovery = 112%  Analysis Date = 08/15/15 
 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl 
 Pct Recovery = 85%  Analysis Date = 07/13/15 
 SpikeMix = Crescent 04EE008: 25 µl & NSI 050515AVOC: 25 µl 
 Pct Recovery = 80%  Analysis Date = 09/29/15 
 SpikeMix = Accu 215041380: 25 µl & ERA 0406-15-03: 25 µl 
 Pct Recovery = 90%  Analysis Date = 07/14/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 95%  Analysis Date = 06/02/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 98%  Analysis Date = 02/09/17 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 88%  Analysis Date = 10/13/16 
 SpikeMix = Accu 216041125: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 94%  Analysis Date = 10/13/16 
 SpikeMix = NSI 041816AVOC: 15 µl & Supelco LC20141V: 15 µl 
 Pct Recovery = 83%  Analysis Date = 07/29/16 
 SpikeMix = Phenova B20160319: 15 µl & NSI 041816AVOC: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/10/16 
 SpikeMix = NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 91%  Analysis Date = 05/25/17 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 01/13/17 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 76%  Analysis Date = 09/28/16 
 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/08/16 
 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 83%  Analysis Date = 08/20/16 
 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl 
 Pct Recovery = 92%  Analysis Date = 12/18/15 
 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 83%  Analysis Date = 10/17/15 
 SpikeMix = Crescent 04EE008: 15 µl & NSI 050515AVOC: 15 µl 
 Pct Recovery = 79%  Analysis Date = 05/09/15 
 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl 
 Pct Recovery = 86%  Analysis Date = 04/02/16 
 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 85%  Analysis Date = 03/04/16 
 SpikeMix = Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 
 Pct Recovery = 85%  Analysis Date = 06/04/15 
 SpikeMix = NSI 050515AVOC: 15 µl & Accu 215041380: 15 µl 
 Pct Recovery = 87%  Analysis Date = 09/07/17 
 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl 
 Pct Recovery = 67%  Analysis Date = 07/26/17 
 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl 
 Pct Recovery = 98%  Analysis Date = 11/06/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Crescent 03DD004: 10 µl 
 Pct Recovery = 85%  Analysis Date = 10/04/14 
 SpikeMix = Crescent 03DD004: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 81%  Analysis Date = 07/29/14 
 SpikeMix = Crescent 03DD004: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 85%  Analysis Date = 05/03/14 
 SpikeMix = Crescent 03DD004: 10 µl & Supelco LC06438: 10 µl 
 Pct Recovery = 200%  Analysis Date = 01/13/15 
 SpikeMix = Accu 214031115: 10 µl & ERA 0227-14-06.1A: 10 µl 
 Pct Recovery = 91%  Analysis Date = 09/09/14 
 SpikeMix = Accu 214031115: 10 µl & NSI 032614: 10 µl 
 Pct Recovery = 106%  Analysis Date = 07/23/14 
 SpikeMix = Spex Organics C1140417015: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 101%  Analysis Date = 06/18/14 
 SpikeMix = Supelco LC06438: 10 µl & Accu 214031115: 10 µl 
 Pct Recovery = 77%  Analysis Date = 05/13/16 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 88%  Analysis Date = 01/27/16 
 SpikeMix = Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 
 Pct Recovery = 97%  Analysis Date = 07/31/15 
 SpikeMix = Crescent 04EE008: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 80%  Analysis Date = 05/09/15 
 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl 
 Pct Recovery = 91%  Analysis Date = 02/18/16 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Analysis Date = 11/20/15 
 SpikeMix = Accu 215041380: 10 µl & ERA 0406-15-03: 10 µl 
 Pct Recovery = 94%  Analysis Date = 11/12/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 84%  Analysis Date = 05/21/15 
 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl 
 Pct Recovery = 101%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Median Pct Recovery = 87%  Y = 1
The SGPlot Procedure