Organic Blind Sample Program
False Positives & False Negatives
ISOPROPYL_ALCOHOL
Method: 4437 Testid: 77015GM016
Link to Individual Chart

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newdate = 02/02/17 falsepos = 0.77 newdate = 08/30/17 CENC_VAL = 2.470 newdate = 08/16/17 CENC_VAL = 3.700 newdate = 08/10/17 CENC_VAL = 3.030 newdate = 08/01/17 CENC_VAL = 12.300 newdate = 07/14/17 CENC_VAL = 1.870 newdate = 02/02/17 CENC_VAL = 1.380 newdate = 12/23/16 CENC_VAL = 3.190 newdate = 11/29/16 CENC_VAL = 3.830 newdate = 09/28/16 CENC_VAL = 2.190 newdate = 08/31/16 CENC_VAL = 2.430 newdate = 08/12/16 CENC_VAL = 1.420 newdate = 07/06/16 CENC_VAL = 4.180 newdate = 06/23/16 CENC_VAL = 1.040 newdate = 05/20/16 CENC_VAL = 2.290 newdate = 04/09/16 CENC_VAL = 1.200 newdate = 03/22/16 CENC_VAL = 1.250 newdate = 01/22/16 CENC_VAL = 2.180 newdate = 08/30/17 REPORTING LEVEL = 0.6 newdate = 08/16/17 REPORTING LEVEL = 0.6 newdate = 08/16/17 REPORTING LEVEL = 0.6 newdate = 08/10/17 REPORTING LEVEL = 0.6 newdate = 08/10/17 REPORTING LEVEL = 0.6 newdate = 08/01/17 REPORTING LEVEL = 0.6 newdate = 08/01/17 REPORTING LEVEL = 0.6 newdate = 07/14/17 REPORTING LEVEL = 0.6 newdate = 07/14/17 REPORTING LEVEL = 0.6 newdate = 02/02/17 REPORTING LEVEL = 0.6 newdate = 02/02/17 REPORTING LEVEL = 0.6 newdate = 02/02/17 REPORTING LEVEL = 0.6 newdate = 02/02/17 REPORTING LEVEL = 0.6 newdate = 12/23/16 REPORTING LEVEL = 0.6 newdate = 12/23/16 REPORTING LEVEL = 0.6 newdate = 11/29/16 REPORTING LEVEL = 0.6 newdate = 11/29/16 REPORTING LEVEL = 0.6 newdate = 09/28/16 REPORTING LEVEL = 0.6 newdate = 09/28/16 REPORTING LEVEL = 0.6 newdate = 08/31/16 REPORTING LEVEL = 0.6 newdate = 08/31/16 REPORTING LEVEL = 0.6 newdate = 08/12/16 REPORTING LEVEL = 0.6 newdate = 08/12/16 REPORTING LEVEL = 0.6 newdate = 07/06/16 REPORTING LEVEL = 0.6 newdate = 07/06/16 REPORTING LEVEL = 0.6 newdate = 06/23/16 REPORTING LEVEL = 0.6 newdate = 06/23/16 REPORTING LEVEL = 0.6 newdate = 05/20/16 REPORTING LEVEL = 0.6 newdate = 05/20/16 REPORTING LEVEL = 0.6 newdate = 04/09/16 REPORTING LEVEL = 0.6 newdate = 04/09/16 REPORTING LEVEL = 0.6 newdate = 03/22/16 REPORTING LEVEL = 0.6 newdate = 03/22/16 REPORTING LEVEL = 0.6 newdate = 01/22/16 REPORTING LEVEL = 0.6 Y = 0
The SGPlot Procedure

Updated 04/25/2018

False Positive & Negative Listing for ISOPROPYL_ALCOHOL

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20170320043 Abs 060916HVOC: 40 µl & ChemService 5082800: 40 µl & Accu 216041225: 40 µl 0.6 02/02/17 0.77 0

Updated 04/25/2018