Organic Blind Sample Program
False Positives & False Negatives
1,4-DICHLOROBENZENE
Method: 4433 Testid: 34571GCM99
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newdate = 01/11/18 falseneg = -0.01 newdate = 03/14/18 CENC_VAL = 0.274 newdate = 11/29/17 CENC_VAL = 0.564 newdate = 10/26/17 CENC_VAL = 0.247 newdate = 10/26/17 CENC_VAL = 0.150 newdate = 09/27/17 CENC_VAL = 0.395 newdate = 09/27/17 CENC_VAL = 0.294 newdate = 09/26/17 CENC_VAL = 0.162 newdate = 08/15/17 CENC_VAL = 0.285 newdate = 06/29/17 CENC_VAL = 0.325 newdate = 05/25/17 CENC_VAL = 0.130 newdate = 05/03/17 CENC_VAL = 0.176 newdate = 04/14/17 CENC_VAL = 0.162 newdate = 04/12/17 CENC_VAL = 0.139 newdate = 04/11/17 CENC_VAL = 0.177 newdate = 01/10/17 CENC_VAL = 0.262 newdate = 01/06/17 CENC_VAL = 0.473 newdate = 01/05/17 CENC_VAL = 0.384 newdate = 01/05/17 CENC_VAL = 0.186 newdate = 12/07/16 CENC_VAL = 0.174 newdate = 12/07/16 CENC_VAL = 0.174 newdate = 12/06/16 CENC_VAL = 0.349 newdate = 12/05/16 CENC_VAL = 0.118 newdate = 09/28/16 CENC_VAL = 0.364 newdate = 09/28/16 CENC_VAL = 0.179 newdate = 09/26/16 CENC_VAL = 0.433 newdate = 08/25/16 CENC_VAL = 0.312 newdate = 08/10/16 CENC_VAL = 0.338 newdate = 08/09/16 CENC_VAL = 0.440 newdate = 07/14/16 CENC_VAL = 0.177 newdate = 06/14/16 CENC_VAL = 0.184 newdate = 06/13/16 CENC_VAL = 0.208 newdate = 05/03/16 CENC_VAL = 0.105 newdate = 04/15/16 CENC_VAL = 0.205 newdate = 02/25/16 CENC_VAL = 0.100 newdate = 02/24/16 CENC_VAL = 0.367 newdate = 03/14/18 REPORTING LEVEL = 0.08 newdate = 01/11/18 REPORTING LEVEL = 0.08 newdate = 01/11/18 REPORTING LEVEL = 0.08 newdate = 11/29/17 REPORTING LEVEL = 0.08 newdate = 11/29/17 REPORTING LEVEL = 0.08 newdate = 10/26/17 REPORTING LEVEL = 0.08 newdate = 10/26/17 REPORTING LEVEL = 0.08 newdate = 10/26/17 REPORTING LEVEL = 0.08 newdate = 10/26/17 REPORTING LEVEL = 0.08 newdate = 09/27/17 REPORTING LEVEL = 0.08 newdate = 09/27/17 REPORTING LEVEL = 0.08 newdate = 09/27/17 REPORTING LEVEL = 0.08 newdate = 09/27/17 REPORTING LEVEL = 0.08 newdate = 09/27/17 REPORTING LEVEL = 0.08 newdate = 09/27/17 REPORTING LEVEL = 0.08 newdate = 09/26/17 REPORTING LEVEL = 0.08 newdate = 09/26/17 REPORTING LEVEL = 0.08 newdate = 08/15/17 REPORTING LEVEL = 0.08 newdate = 08/15/17 REPORTING LEVEL = 0.08 newdate = 06/29/17 REPORTING LEVEL = 0.08 newdate = 06/29/17 REPORTING LEVEL = 0.08 newdate = 05/25/17 REPORTING LEVEL = 0.08 newdate = 05/25/17 REPORTING LEVEL = 0.08 newdate = 05/03/17 REPORTING LEVEL = 0.08 newdate = 05/03/17 REPORTING LEVEL = 0.08 newdate = 04/14/17 REPORTING LEVEL = 0.08 newdate = 04/14/17 REPORTING LEVEL = 0.08 newdate = 04/12/17 REPORTING LEVEL = 0.08 newdate = 04/12/17 REPORTING LEVEL = 0.08 newdate = 04/11/17 REPORTING LEVEL = 0.08 newdate = 04/11/17 REPORTING LEVEL = 0.08 newdate = 01/10/17 REPORTING LEVEL = 0.08 newdate = 01/10/17 REPORTING LEVEL = 0.08 newdate = 01/06/17 REPORTING LEVEL = 0.08 newdate = 01/06/17 REPORTING LEVEL = 0.08 newdate = 01/05/17 REPORTING LEVEL = 0.08 newdate = 01/05/17 REPORTING LEVEL = 0.08 newdate = 01/05/17 REPORTING LEVEL = 0.08 newdate = 01/05/17 REPORTING LEVEL = 0.08 newdate = 12/07/16 REPORTING LEVEL = 0.08 newdate = 12/07/16 REPORTING LEVEL = 0.08 newdate = 12/07/16 REPORTING LEVEL = 0.08 newdate = 12/07/16 REPORTING LEVEL = 0.08 newdate = 12/06/16 REPORTING LEVEL = 0.08 newdate = 12/06/16 REPORTING LEVEL = 0.08 newdate = 12/05/16 REPORTING LEVEL = 0.08 newdate = 12/05/16 REPORTING LEVEL = 0.08 newdate = 09/28/16 REPORTING LEVEL = 0.08 newdate = 09/28/16 REPORTING LEVEL = 0.08 newdate = 09/28/16 REPORTING LEVEL = 0.08 newdate = 09/28/16 REPORTING LEVEL = 0.08 newdate = 09/26/16 REPORTING LEVEL = 0.08 newdate = 09/26/16 REPORTING LEVEL = 0.08 newdate = 08/25/16 REPORTING LEVEL = 0.08 newdate = 08/25/16 REPORTING LEVEL = 0.08 newdate = 08/10/16 REPORTING LEVEL = 0.08 newdate = 08/10/16 REPORTING LEVEL = 0.08 newdate = 08/09/16 REPORTING LEVEL = 0.08 newdate = 08/09/16 REPORTING LEVEL = 0.08 newdate = 08/01/16 REPORTING LEVEL = 0.08 newdate = 08/01/16 REPORTING LEVEL = 0.08 newdate = 07/14/16 REPORTING LEVEL = 0.08 newdate = 07/14/16 REPORTING LEVEL = 0.08 newdate = 06/14/16 REPORTING LEVEL = 0.08 newdate = 06/14/16 REPORTING LEVEL = 0.08 newdate = 06/13/16 REPORTING LEVEL = 0.08 newdate = 06/13/16 REPORTING LEVEL = 0.08 newdate = 05/03/16 REPORTING LEVEL = 0.08 newdate = 05/03/16 REPORTING LEVEL = 0.08 newdate = 04/15/16 REPORTING LEVEL = 0.08 newdate = 04/15/16 REPORTING LEVEL = 0.08 newdate = 02/25/16 REPORTING LEVEL = 0.08 newdate = 02/25/16 REPORTING LEVEL = 0.08 newdate = 02/24/16 REPORTING LEVEL = 0.08
The SGPlot Procedure

Updated 07/31/2018

False Positive & Negative Listing for 1,4-DICHLOROBENZENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20173610076 Abs 071317WWUF: 60 µl & Abs 071717WWUF: 60 µl 0.08 01/11/18 < 0.08 0.324

Updated 07/31/2018