BQS OBSP Determination:
ETHYLBENZENE
METHOD: 4440 , TESTIDCODE: 34371GCM66
DATES: 05/01/14 - 12/12/16
Open Data Set

 Expected Conc. = 0.2406 
 Median Pct Recovery = 91%  Expected Conc. = 0.2406 
 Median Pct Recovery = 91%  Expected Conc. = 0.2406 
 Median Pct Recovery = 91%  Expected Conc. = 0.2406 
 Median Pct Recovery = 91%  Expected Conc. = 0.2406 
 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. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.1448 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.144 
 Median Pct Recovery = 91%  Expected Conc. = 0.1355 
 Median Pct Recovery = 91%  Expected Conc. = 0.1355 
 Median Pct Recovery = 91%  Expected Conc. = 0.1355 
 Median Pct Recovery = 91%  Expected Conc. = 0.1355 
 Median Pct Recovery = 91%  Expected Conc. = 0.135 
 Median Pct Recovery = 91%  Expected Conc. = 0.135 
 Median Pct Recovery = 91%  Expected Conc. = 0.0902 
 Median Pct Recovery = 91%  Expected Conc. = 0.0902 
 Median Pct Recovery = 91%  Expected Conc. = 0.0902 
 Median Pct Recovery = 91%  Expected Conc. = 0.0902 
 Median Pct Recovery = 91%  Expected Conc. = 0.0902 
 Median Pct Recovery = 91%  Expected Conc. = 0.0902 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.09 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.0813 
 Median Pct Recovery = 91%  Expected Conc. = 0.081 
 Median Pct Recovery = 91%  Expected Conc. = 0.081 
 Median Pct Recovery = 91%  Expected Conc. = 0.081 
 Median Pct Recovery = 91%  Expected Conc. = 0.081 
 Median Pct Recovery = 91%  Expected Conc. = 0.081 
 Median Pct Recovery = 91%  Expected Conc. = 0.081 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.0724 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.072 
 Median Pct Recovery = 91%  Expected Conc. = 0.0542 
 Median Pct Recovery = 91%  Expected Conc. = 0.0542 
 Median Pct Recovery = 91%  Expected Conc. = 0.0542 
 Median Pct Recovery = 91%  Expected Conc. = 0.0542 
 Median Pct Recovery = 91%  Expected Conc. = 0.0542 
 Median Pct Recovery = 91%  Expected Conc. = 0.0542 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  Expected Conc. = 0.054 
 Median Pct Recovery = 91%  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 = 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 = 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 = 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 = 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 = 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 = 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 = 09/09/14 
 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 = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  Median Pct Recovery = 91%  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