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