BQS OBSP Determination:
TETRAHYDROFURAN
METHOD: 4440 , TESTIDCODE: 81607GCM66
DATES: 05/01/14 - 12/16/16
Open Data Set

 Expected Conc. = 16 
 Median Pct Recovery = 100%  Expected Conc. = 16 
 Median Pct Recovery = 100%  Expected Conc. = 16 
 Median Pct Recovery = 100%  Expected Conc. = 15.984 
 Median Pct Recovery = 100%  Expected Conc. = 15.984 
 Median Pct Recovery = 100%  Expected Conc. = 15.984 
 Median Pct Recovery = 100%  Expected Conc. = 15.984 
 Median Pct Recovery = 100%  Expected Conc. = 10 
 Median Pct Recovery = 100%  Expected Conc. = 10 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9.99 
 Median Pct Recovery = 100%  Expected Conc. = 9 
 Median Pct Recovery = 100%  Expected Conc. = 9 
 Median Pct Recovery = 100%  Expected Conc. = 9 
 Median Pct Recovery = 100%  Expected Conc. = 9 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 6 
 Median Pct Recovery = 100%  Expected Conc. = 5.994 
 Median Pct Recovery = 100%  Expected Conc. = 5.994 
 Median Pct Recovery = 100%  Expected Conc. = 5.994 
 Median Pct Recovery = 100%  Expected Conc. = 5.994 
 Median Pct Recovery = 100%  Expected Conc. = 5.994 
 Median Pct Recovery = 100%  Expected Conc. = 5.994 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.6 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.596 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.46 
 Median Pct Recovery = 100%  Expected Conc. = 5.4 
 Median Pct Recovery = 100%  Expected Conc. = 5.4 
 Median Pct Recovery = 100%  Expected Conc. = 5.4 
 Median Pct Recovery = 100%  Expected Conc. = 5.4 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.64 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 3.6 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.8 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  Expected Conc. = 2.798 
 Median Pct Recovery = 100%  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 = 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 = 08/26/16 
 SpikeMix = NSI 041816AVOC: 25 µl & ChemService 5082900: 25 µl 
 Pct Recovery = 108%  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 = 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 = 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 = 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 = 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 = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  Median Pct Recovery = 100%  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