BQS OBSP Determination:
1,2-DICHLORO-1,1,2,2-TETRAFLUOROETHANE
METHOD: 4440 , TESTIDCODE: 50985GCM66
DATES: 05/09/15 - 11/17/17

Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.2 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.125 Median Pct Recovery = 65% Expected Conc. = 0.12 Median Pct Recovery = 65% Expected Conc. = 0.12 Median Pct Recovery = 65% Expected Conc. = 0.1192 Median Pct Recovery = 65% Expected Conc. = 0.1192 Median Pct Recovery = 65% Expected Conc. = 0.115 Median Pct Recovery = 65% Expected Conc. = 0.115 Median Pct Recovery = 65% Expected Conc. = 0.115 Median Pct Recovery = 65% Expected Conc. = 0.115 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.075 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.0696 Median Pct Recovery = 65% Expected Conc. = 0.069 Median Pct Recovery = 65% Expected Conc. = 0.069 Median Pct Recovery = 65% Expected Conc. = 0.069 Median Pct Recovery = 65% Expected Conc. = 0.069 Median Pct Recovery = 65% Expected Conc. = 0.06 Median Pct Recovery = 65% Expected Conc. = 0.06 Median Pct Recovery = 65% Expected Conc. = 0.06 Median Pct Recovery = 65% Expected Conc. = 0.06 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.0464 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0.046 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Expected Conc. = 0 Median Pct Recovery = 65% Analysis Date = 03/16/17 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl Pct Recovery = 62% Analysis Date = 01/04/17 SpikeMix = Phenova B20160319: 40 µl & Crescent 03FF058: 40 µl Pct Recovery = 51% Analysis Date = 12/12/16 SpikeMix = Accu 216041125: 40 µl & Crescent 03FF058: 40 µl Pct Recovery = 54% Analysis Date = 08/04/16 SpikeMix = Crescent 03FF058: 40 µl & Supelco LC20141V: 40 µl Pct Recovery = 56% Analysis Date = 06/23/17 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl Pct Recovery = 41% Analysis Date = 06/17/17 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl Pct Recovery = 47% Analysis Date = 04/03/17 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl Pct Recovery = 55% Analysis Date = 11/21/16 SpikeMix = Crescent 03FF058: 25 µl & Supelco LC20141V: 25 µl Pct Recovery = 51% Analysis Date = 06/30/16 SpikeMix = Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl Pct Recovery = 60% Analysis Date = 06/21/16 SpikeMix = Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl Pct Recovery = 55% Analysis Date = 05/24/16 SpikeMix = Accu 216041125: 25 µl & Crescent 03FF058: 25 µl Pct Recovery = 55% Analysis Date = 08/29/17 SpikeMix = Abs 070717: 20 µl & Abs 070617: 20 µl Pct Recovery = 51% Analysis Date = 11/17/17 SpikeMix = Spex Organics TS170928018: 20 µl & ChemService 6686200: 20 µl Pct Recovery = 96% Analysis Date = 08/15/15 SpikeMix = Supelco LC13545: 25 µl & Crescent 04EE008: 25 µl Pct Recovery = 123% Analysis Date = 06/16/15 SpikeMix = ERA 0406-15-03: 25 µl & Supelco LC13545: 25 µl Pct Recovery = 122% Analysis Date = 05/25/17 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl Pct Recovery = 47% Analysis Date = 01/13/17 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl Pct Recovery = 57% Analysis Date = 09/28/16 SpikeMix = Crescent 03FF058: 15 µl & ChemService 5082900: 15 µl Pct Recovery = 63% Analysis Date = 09/08/16 SpikeMix = Phenova B20160319: 15 µl & Crescent 03FF058: 15 µl Pct Recovery = 57% Analysis Date = 08/20/16 SpikeMix = Accu 216041125: 15 µl & Crescent 03FF058: 15 µl Pct Recovery = 57% Analysis Date = 04/26/16 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl Pct Recovery = 43% Analysis Date = 02/05/16 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl Pct Recovery = 75% Analysis Date = 11/04/15 SpikeMix = NSI 050515AVOC: 15 µl & Spex Organics EN150428007: 15 µl Pct Recovery = 72% Analysis Date = 10/16/15 SpikeMix = ERA 0406-15-03: 15 µl & Spex Organics EN150428007: 15 µl Pct Recovery = 74% Analysis Date = 05/09/15 SpikeMix = Spex Organics EN150428007: 15 µl & Crescent 04EE008: 15 µl Pct Recovery = 92% Analysis Date = 04/02/16 SpikeMix = Supelco LC13545: 15 µl & Accu 215041380: 15 µl Pct Recovery = 143% Analysis Date = 12/18/15 SpikeMix = Supelco LC13545: 15 µl & Crescent 04EE008: 15 µl Pct Recovery = 127% Analysis Date = 09/07/17 SpikeMix = Abs 070717: 10 µl & Abs 070617: 10 µl Pct Recovery = 51% Analysis Date = 07/26/17 SpikeMix = Abs 070717: 10 µl & Abs 071317AVOC: 10 µl Pct Recovery = 67% Analysis Date = 02/18/16 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl Pct Recovery = 80% Analysis Date = 11/12/15 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl Pct Recovery = 75% Analysis Date = 09/03/15 SpikeMix = NSI 050515AVOC: 10 µl & Spex Organics EN150428007: 10 µl Pct Recovery = 84% Analysis Date = 05/21/15 SpikeMix = Spex Organics EN150428007: 10 µl & Accu 215041380: 10 µl Pct Recovery = 98% Analysis Date = 05/13/16 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl Pct Recovery = 90% Analysis Date = 03/17/16 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl Pct Recovery = 126% Analysis Date = 12/10/15 SpikeMix = NSI 050515AVOC: 10 µl & Supelco LC13545: 10 µl Pct Recovery = 151% Analysis Date = 06/27/15 SpikeMix = ERA 0406-15-03: 10 µl & Supelco LC13545: 10 µl Pct Recovery = 110% Analysis Date = 05/09/15 SpikeMix = Supelco LC13545: 10 µl & Crescent 04EE008: 10 µl Pct Recovery = 140% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Median Pct Recovery = 65% Y = 1
The SGPlot Procedure