BQS OBSP Determination:
DICHLORODIFLUOROMETHANE
METHOD: 4440 , TESTIDCODE: 34668GCM66
DATES: 05/01/14 - 12/16/16
Open Data Set

 Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.664 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.415 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.404 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.4 
 Median Pct Recovery = 73%  Expected Conc. = 0.375 
 Median Pct Recovery = 73%  Expected Conc. = 0.375 
 Median Pct Recovery = 73%  Expected Conc. = 0.375 
 Median Pct Recovery = 73%  Expected Conc. = 0.375 
 Median Pct Recovery = 73%  Expected Conc. = 0.3738 
 Median Pct Recovery = 73%  Expected Conc. = 0.3738 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.249 
 Median Pct Recovery = 73%  Expected Conc. = 0.225 
 Median Pct Recovery = 73%  Expected Conc. = 0.225 
 Median Pct Recovery = 73%  Expected Conc. = 0.225 
 Median Pct Recovery = 73%  Expected Conc. = 0.225 
 Median Pct Recovery = 73%  Expected Conc. = 0.225 
 Median Pct Recovery = 73%  Expected Conc. = 0.225 
 Median Pct Recovery = 73%  Expected Conc. = 0.2243 
 Median Pct Recovery = 73%  Expected Conc. = 0.2243 
 Median Pct Recovery = 73%  Expected Conc. = 0.2243 
 Median Pct Recovery = 73%  Expected Conc. = 0.2243 
 Median Pct Recovery = 73%  Expected Conc. = 0.2243 
 Median Pct Recovery = 73%  Expected Conc. = 0.2243 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.202 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.2 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.15 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  Expected Conc. = 0.1495 
 Median Pct Recovery = 73%  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 = 11/21/16 
 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl 
 Pct Recovery = 50%  Analysis Date = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 54%  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 = 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 = 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 = 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 = 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 = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Median Pct Recovery = 73%  Y = 1
The SGPlot Procedure