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