Organic Blind Sample Program
False Positives & False Negatives
1,1-DICHLORO-2-PROPANONE
Method: 4437 Testid: 80336GM016
Link to Individual Chart

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newdate = 06/24/17 falsepos = 0.986 newdate = 08/30/17 CENC_VAL = 0.353 newdate = 08/10/17 CENC_VAL = 0.455 newdate = 08/01/17 CENC_VAL = 0.582 newdate = 03/24/17 CENC_VAL = 0.684 newdate = 03/10/17 CENC_VAL = 1.110 newdate = 03/09/17 CENC_VAL = 1.510 newdate = 02/24/17 CENC_VAL = 0.734 newdate = 01/14/17 CENC_VAL = 0.612 newdate = 12/05/16 CENC_VAL = 1.510 newdate = 11/10/16 CENC_VAL = 1.200 newdate = 09/23/16 CENC_VAL = 1.780 newdate = 09/08/16 CENC_VAL = 1.050 newdate = 08/11/16 CENC_VAL = 0.884 newdate = 07/06/16 CENC_VAL = 0.490 newdate = 06/03/16 CENC_VAL = 0.555 newdate = 04/28/16 CENC_VAL = 0.565 newdate = 04/09/16 CENC_VAL = 0.336 newdate = 02/12/16 CENC_VAL = 0.309 newdate = 01/22/16 CENC_VAL = 0.879 newdate = 08/30/17 REPORTING LEVEL = 0.24 newdate = 08/10/17 REPORTING LEVEL = 0.24 newdate = 08/10/17 REPORTING LEVEL = 0.24 newdate = 08/01/17 REPORTING LEVEL = 0.24 newdate = 08/01/17 REPORTING LEVEL = 0.24 newdate = 06/24/17 REPORTING LEVEL = 0.24 newdate = 06/24/17 REPORTING LEVEL = 0.24 newdate = 03/24/17 REPORTING LEVEL = 0.24 newdate = 03/24/17 REPORTING LEVEL = 0.24 newdate = 03/10/17 REPORTING LEVEL = 0.24 newdate = 03/10/17 REPORTING LEVEL = 0.24 newdate = 03/09/17 REPORTING LEVEL = 0.24 newdate = 03/09/17 REPORTING LEVEL = 0.24 newdate = 02/24/17 REPORTING LEVEL = 0.24 newdate = 02/24/17 REPORTING LEVEL = 0.24 newdate = 01/14/17 REPORTING LEVEL = 0.24 newdate = 01/14/17 REPORTING LEVEL = 0.24 newdate = 12/05/16 REPORTING LEVEL = 0.24 newdate = 12/05/16 REPORTING LEVEL = 0.24 newdate = 11/10/16 REPORTING LEVEL = 0.24 newdate = 11/10/16 REPORTING LEVEL = 0.24 newdate = 09/23/16 REPORTING LEVEL = 0.24 newdate = 09/23/16 REPORTING LEVEL = 0.24 newdate = 09/08/16 REPORTING LEVEL = 0.24 newdate = 09/08/16 REPORTING LEVEL = 0.24 newdate = 08/11/16 REPORTING LEVEL = 0.24 newdate = 08/11/16 REPORTING LEVEL = 0.24 newdate = 07/06/16 REPORTING LEVEL = 0.24 newdate = 07/06/16 REPORTING LEVEL = 0.24 newdate = 06/03/16 REPORTING LEVEL = 0.24 newdate = 06/03/16 REPORTING LEVEL = 0.24 newdate = 04/28/16 REPORTING LEVEL = 0.24 newdate = 04/28/16 REPORTING LEVEL = 0.24 newdate = 04/09/16 REPORTING LEVEL = 0.24 newdate = 04/09/16 REPORTING LEVEL = 0.24 newdate = 02/12/16 REPORTING LEVEL = 0.24 newdate = 02/12/16 REPORTING LEVEL = 0.24 newdate = 01/22/16 REPORTING LEVEL = 0.24
The SGPlot Procedure

Updated 04/25/2018

False Positive & Negative Listing for 1,1-DICHLORO-2-PROPANONE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20171720144 Supelco LC20145V: 25 µl & Abs 060916HVOC: 25 µl & Accu 216041225: 25 µl 0.24 06/24/17 0.986 0

Updated 04/25/2018