BQS OBSP Determination:
1,4-DICHLOROBENZENE
METHOD: 4433 , TESTIDCODE: 34571GCM99
DATES: 05/19/11 - 01/06/17
Open Data Set

 Expected Conc. = 1.008 
 Median Pct Recovery = 84%  Expected Conc. = 1.005 
 Median Pct Recovery = 84%  Expected Conc. = 1.005 
 Median Pct Recovery = 84%  Expected Conc. = 1.0025 
 Median Pct Recovery = 84%  Expected Conc. = 1.0025 
 Median Pct Recovery = 84%  Expected Conc. = 1 
 Median Pct Recovery = 84%  Expected Conc. = 1 
 Median Pct Recovery = 84%  Expected Conc. = 0.64 
 Median Pct Recovery = 84%  Expected Conc. = 0.64 
 Median Pct Recovery = 84%  Expected Conc. = 0.504 
 Median Pct Recovery = 84%  Expected Conc. = 0.504 
 Median Pct Recovery = 84%  Expected Conc. = 0.504 
 Median Pct Recovery = 84%  Expected Conc. = 0.504 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.5 
 Median Pct Recovery = 84%  Expected Conc. = 0.4864 
 Median Pct Recovery = 84%  Expected Conc. = 0.4864 
 Median Pct Recovery = 84%  Expected Conc. = 0.4864 
 Median Pct Recovery = 84%  Expected Conc. = 0.4864 
 Median Pct Recovery = 84%  Expected Conc. = 0.48 
 Median Pct Recovery = 84%  Expected Conc. = 0.48 
 Median Pct Recovery = 84%  Expected Conc. = 0.4029 
 Median Pct Recovery = 84%  Expected Conc. = 0.4029 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.4 
 Median Pct Recovery = 84%  Expected Conc. = 0.3186 
 Median Pct Recovery = 84%  Expected Conc. = 0.3186 
 Median Pct Recovery = 84%  Expected Conc. = 0.3186 
 Median Pct Recovery = 84%  Expected Conc. = 0.3186 
 Median Pct Recovery = 84%  Expected Conc. = 0.3186 
 Median Pct Recovery = 84%  Expected Conc. = 0.3186 
 Median Pct Recovery = 84%  Expected Conc. = 0.252 
 Median Pct Recovery = 84%  Expected Conc. = 0.252 
 Median Pct Recovery = 84%  Expected Conc. = 0.252 
 Median Pct Recovery = 84%  Expected Conc. = 0.252 
 Median Pct Recovery = 84%  Expected Conc. = 0.25 
 Median Pct Recovery = 84%  Expected Conc. = 0.25 
 Median Pct Recovery = 84%  Expected Conc. = 0.25 
 Median Pct Recovery = 84%  Expected Conc. = 0.25 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.2432 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.24 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.201 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1593 
 Median Pct Recovery = 84%  Expected Conc. = 0.1216 
 Median Pct Recovery = 84%  Expected Conc. = 0.1216 
 Median Pct Recovery = 84%  Expected Conc. = 0.1216 
 Median Pct Recovery = 84%  Expected Conc. = 0.1216 
 Median Pct Recovery = 84%  Expected Conc. = 0.1216 
 Median Pct Recovery = 84%  Expected Conc. = 0.1216 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.12 
 Median Pct Recovery = 84%  Expected Conc. = 0.2 
 Median Pct Recovery = 84%  Analysis Date = 02/06/13 
 SpikeMix = ChemService 426100: 80 µl & Crescent 05BB045: 80 µl 
 Pct Recovery = 75%  Analysis Date = 08/01/13 
 SpikeMix = Spex Organics T1130419010: 100 µl & Abs 050613WWUF: 100 µl 
 Pct Recovery = 82%  Analysis Date = 08/06/13 
 SpikeMix = ChemService 1466200: 50 µl & Abs 050613WWUF: 50 µl 
 Pct Recovery = 79%  Analysis Date = 03/28/13 
 SpikeMix = Supelco LB92782: 80 µl & Restek A088824: 80 µl 
 Pct Recovery = 72%  Analysis Date = 10/18/11 
 SpikeMix = NWQL BNA2SP124B: 80 µl 
 Pct Recovery = 90%  Analysis Date = 05/30/13 
 SpikeMix = ChemService 426100: 40 µl & Spex Organics T1120521007: 40 µl 
 Pct Recovery = 76%  Analysis Date = 12/12/12 
 SpikeMix = NSI 061412-01: 40 µl & ChemService 426100: 40 µl 
 Pct Recovery = 77%  Analysis Date = 01/06/17 
 SpikeMix = Phenova B20160306: 100 µl & Abs 061716WW: 100 µl 
 Pct Recovery = 95%  Analysis Date = 09/26/16 
 SpikeMix = Abs 061716WW: 100 µl & NSI 042916WW: 100 µl 
 Pct Recovery = 87%  Analysis Date = 08/09/16 
 SpikeMix = Supelco LC20139V: 100 µl & ChemService 5016000: 100 µl 
 Pct Recovery = 88%  Analysis Date = 06/12/13 
 SpikeMix = NSI 042213WWUF: 50 µl & ChemService 1466200: 50 µl 
 Pct Recovery = 77%  Analysis Date = 12/20/12 
 SpikeMix = NSI 061412-01: 40 µl & Restek A088824: 40 µl 
 Pct Recovery = 77%  Analysis Date = 01/12/16 
 SpikeMix = ERA 0406-15-02: 80 µl & ChemService 3982800: 80 µl 
 Pct Recovery = 90%  Analysis Date = 11/05/15 
 SpikeMix = Supelco LC13546: 80 µl & ChemService 3982800: 80 µl 
 Pct Recovery = 91%  Analysis Date = 02/24/16 
 SpikeMix = Spex Organics EN150529012: 80 µl & Crescent 04EE006: 80 µl 
 Pct Recovery = 76%  Analysis Date = 05/19/11 
 SpikeMix = NWQL BNA2SP124B: 50 µl 
 Pct Recovery = 89%  Analysis Date = 01/05/17 
 SpikeMix = Abs 061716WW: 80 µl & Crescent 03FF070: 80 µl 
 Pct Recovery = 96%  Analysis Date = 12/06/16 
 SpikeMix = Abs 061716WW: 80 µl & NSI 042916WW: 80 µl 
 Pct Recovery = 87%  Analysis Date = 09/28/16 
 SpikeMix = Supelco LC20139V: 80 µl & Abs 061716WW: 80 µl 
 Pct Recovery = 91%  Analysis Date = 08/25/16 
 SpikeMix = Phenova B20160306: 80 µl & ChemService 5016000: 80 µl 
 Pct Recovery = 78%  Analysis Date = 08/10/16 
 SpikeMix = ChemService 5016000: 80 µl & Crescent 03FF070: 80 µl 
 Pct Recovery = 85%  Analysis Date = 12/04/14 
 SpikeMix = ERA 0227-14-07.1: 60 µl & ChemService 2616300: 60 µl 
 Pct Recovery = 92%  Analysis Date = 09/23/14 
 SpikeMix = ChemService 2616300: 60 µl & Abs 032814: 60 µl 
 Pct Recovery = 92%  Analysis Date = 08/20/14 
 SpikeMix = ChemService 2616300: 60 µl & Crescent 03DD005: 60 µl 
 Pct Recovery = 94%  Analysis Date = 03/27/13 
 SpikeMix = Spex Organics T1120521007: 20 µl & ChemService 426100: 20 µl 
 Pct Recovery = 69%  Analysis Date = 07/31/12 
 SpikeMix = Spex Organics T1120521007: 20 µl & ChemService 426100: 20 µl 
 Pct Recovery = 94%  Analysis Date = 12/18/12 
 SpikeMix = Crescent 05BB045: 20 µl & Restek A088824: 20 µl 
 Pct Recovery = 80%  Analysis Date = 08/24/12 
 SpikeMix = Crescent 05BB045: 20 µl & Restek A088824: 20 µl 
 Pct Recovery = 65%  Analysis Date = 06/13/16 
 SpikeMix = ChemService 3982800: 40 µl & Crescent 04EE006: 40 µl 
 Pct Recovery = 86%  Analysis Date = 04/15/16 
 SpikeMix = ChemService 3982800: 40 µl & Abs 041615: 40 µl 
 Pct Recovery = 84%  Analysis Date = 01/26/16 
 SpikeMix = ChemService 3982800: 40 µl & Abs 041615: 40 µl 
 Pct Recovery = 81%  Analysis Date = 09/30/15 
 SpikeMix = ERA 0406-15-02: 40 µl & ChemService 3982800: 40 µl 
 Pct Recovery = 94%  Analysis Date = 01/14/16 
 SpikeMix = Supelco LC13546: 40 µl & Spex Organics EN150529012: 40 µl 
 Pct Recovery = 82%  Analysis Date = 07/22/15 
 SpikeMix = Spex Organics EN150529012: 40 µl & Abs 041615: 40 µl 
 Pct Recovery = 85%  Analysis Date = 04/23/14 
 SpikeMix = Crescent 04CC095: 20 µl & Abs 050613WWUF: 20 µl 
 Pct Recovery = 77%  Analysis Date = 04/22/14 
 SpikeMix = Spex Organics T1130419010: 20 µl & Abs 050613WWUF: 20 µl 
 Pct Recovery = 63%  Analysis Date = 12/04/13 
 SpikeMix = Crescent 04CC095: 20 µl & Abs 050613WWUF: 20 µl 
 Pct Recovery = 84%  Analysis Date = 09/26/13 
 SpikeMix = NSI 042213WWUF: 20 µl & Abs 050613WWUF: 20 µl 
 Pct Recovery = 81%  Analysis Date = 01/05/17 
 SpikeMix = Supelco LC20139V: 40 µl & Abs 061716WW: 40 µl 
 Pct Recovery = 93%  Analysis Date = 12/07/16 
 SpikeMix = Supelco LC20139V: 40 µl & Abs 061716WW: 40 µl 
 Pct Recovery = 87%  Analysis Date = 12/07/16 
 SpikeMix = ChemService 5016000: 40 µl & NSI 042916WW: 40 µl 
 Pct Recovery = 87%  Analysis Date = 12/05/16 
 SpikeMix = Phenova B20160306: 40 µl & Abs 061716WW: 40 µl 
 Pct Recovery = 59%  Analysis Date = 09/28/16 
 SpikeMix = Abs 061716WW: 40 µl & Crescent 03FF070: 40 µl 
 Pct Recovery = 89%  Analysis Date = 07/14/16 
 SpikeMix = Phenova B20160306: 40 µl & ChemService 5016000: 40 µl 
 Pct Recovery = 88%  Analysis Date = 06/14/16 
 SpikeMix = ChemService 5016000: 40 µl & Crescent 03FF070: 40 µl 
 Pct Recovery = 92%  Analysis Date = 04/23/14 
 SpikeMix = ChemService 1466200: 20 µl & Supelco LC00152: 20 µl 
 Pct Recovery = 78%  Analysis Date = 02/05/14 
 SpikeMix = NSI 042213WWUF: 20 µl & ChemService 1466200: 20 µl 
 Pct Recovery = 70%  Analysis Date = 11/14/13 
 SpikeMix = Spex Organics T1130419010: 20 µl & ChemService 1466200: 20 µl 
 Pct Recovery = 84%  Analysis Date = 10/22/13 
 SpikeMix = ChemService 1466200: 20 µl & Supelco LC00152: 20 µl 
 Pct Recovery = 76%  Analysis Date = 05/07/15 
 SpikeMix = ChemService 2616300: 30 µl & Abs 032814: 30 µl 
 Pct Recovery = 95%  Analysis Date = 04/21/15 
 SpikeMix = Supelco LC06436: 30 µl & ChemService 2616300: 30 µl 
 Pct Recovery = 92%  Analysis Date = 04/20/15 
 SpikeMix = ChemService 2616300: 30 µl & Crescent 03DD005: 30 µl 
 Pct Recovery = 75%  Analysis Date = 07/17/14 
 SpikeMix = ERA 0227-14-07.1: 30 µl & ChemService 2616300: 30 µl 
 Pct Recovery = 75%  Analysis Date = 07/09/14 
 SpikeMix = Supelco LC06436: 30 µl & ChemService 2616300: 30 µl 
 Pct Recovery = 70%  Analysis Date = 06/05/14 
 SpikeMix = ChemService 2616300: 30 µl & Abs 032814: 30 µl 
 Pct Recovery = 75%  Analysis Date = 05/03/16 
 SpikeMix = Supelco LC13546: 20 µl & ChemService 3982800: 20 µl 
 Pct Recovery = 86%  Analysis Date = 10/02/15 
 SpikeMix = ChemService 3982800: 20 µl & Crescent 04EE006: 20 µl 
 Pct Recovery = 95%  Analysis Date = 09/29/15 
 SpikeMix = ChemService 3982800: 20 µl & Abs 041615: 20 µl 
 Pct Recovery = 94%  Analysis Date = 02/25/16 
 SpikeMix = ERA 0406-15-02: 20 µl & Spex Organics EN150529012: 20 µl 
 Pct Recovery = 83%  Analysis Date = 02/23/16 
 SpikeMix = Spex Organics EN150529012: 20 µl & Crescent 04EE006: 20 µl 
 Pct Recovery = 76%  Analysis Date = 11/17/15 
 SpikeMix = Spex Organics EN150529012: 20 µl & Crescent 04EE006: 20 µl 
 Pct Recovery = 87%  Analysis Date = 10/15/15 
 SpikeMix = ERA 0406-15-02: 20 µl & Spex Organics EN150529012: 20 µl 
 Pct Recovery = 89%  Analysis Date = 09/29/15 
 SpikeMix = Supelco LC13546: 20 µl & Spex Organics EN150529012: 20 µl 
 Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Median Pct Recovery = 84%  Y = 1
The SGPlot Procedure