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