BQS Organic Blind Sample Program
False Positives & False Negatives
1,4-DICHLOROBENZENE
Method: 4433 Testid: 34571GCM99

back to table
The SGPlot Procedure

Updated 08/31/2015

False Positive & Negative Listing for 1,4-DICHLOROBENZENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20141360095 Supelco LC06436: 60 µl & Spex Organics E1140402006: 60 µl 0.08 06/04/14 < 0.08 0.3186
  20141490201 Spex Organics E1140402006: 60 µl & Abs 032814: 60 µl 0.08 07/08/14 < 0.08 0.3186
  20142130131 ERA 0227-14-07.1: 30 µl & Spex Organics E1140402006: 30 µl 0.08 08/21/14 < 0.08 0.1593
  20142270002 Spex Organics E1140402006: 30 µl & Abs 032814: 30 µl 0.08 09/11/14 < 0.08 0.1593
  20142470040 ERA 0227-14-07.1: 60 µl & Spex Organics E1140402006: 60 µl 0.08 09/23/14 < 0.08 0.3186
  20142760025 Supelco LC06436: 60 µl & Spex Organics E1140402006: 60 µl 0.08 10/21/14 < 0.08 0.3186
  20142960087 Spex Organics E1140402006: 60 µl & Crescent 03DD005: 60 µl 0.08 11/05/14 < 0.08 0.3186
  20143520107 Spex Organics E1140402006: 30 µl & Crescent 03DD005: 30 µl 0.08 01/27/15 < 0.08 0.1593

Updated 08/31/2015