Organic Blind Sample Program
False Positives & False Negatives
BUTANOL
Method: 4437 Testid: 77034GM016
Link to Individual Chart

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newdate = 08/16/17 falsepos = 0.96 newdate = 06/13/17 falsepos = 0.72 newdate = 04/27/17 falsepos = 1 newdate = 02/02/17 falsepos = 1.13 newdate = 11/10/16 falsepos = 0.89 newdate = 08/30/17 CENC_VAL = 1.210 newdate = 08/10/17 CENC_VAL = 1.820 newdate = 07/14/17 CENC_VAL = 2.180 newdate = 02/24/17 CENC_VAL = 1.990 newdate = 02/02/17 CENC_VAL = 1.910 newdate = 12/23/16 CENC_VAL = 3.870 newdate = 11/29/16 CENC_VAL = 5.330 newdate = 09/28/16 CENC_VAL = 2.960 newdate = 09/23/16 CENC_VAL = 4.670 newdate = 08/31/16 CENC_VAL = 2.910 newdate = 08/12/16 CENC_VAL = 1.710 newdate = 07/06/16 CENC_VAL = 5.250 newdate = 07/06/16 CENC_VAL = 1.420 newdate = 06/23/16 CENC_VAL = 0.960 newdate = 05/20/16 CENC_VAL = 1.850 newdate = 04/28/16 CENC_VAL = 1.350 newdate = 04/09/16 CENC_VAL = 1.220 newdate = 02/12/16 CENC_VAL = 1.120 newdate = 01/22/16 CENC_VAL = 2.940 newdate = 08/30/17 REPORTING LEVEL = 0.8 newdate = 08/16/17 REPORTING LEVEL = 0.8 newdate = 08/16/17 REPORTING LEVEL = 0.8 newdate = 08/10/17 REPORTING LEVEL = 0.8 newdate = 08/10/17 REPORTING LEVEL = 0.8 newdate = 07/14/17 REPORTING LEVEL = 0.8 newdate = 07/14/17 REPORTING LEVEL = 0.8 newdate = 06/13/17 REPORTING LEVEL = 0.8 newdate = 06/13/17 REPORTING LEVEL = 0.8 newdate = 04/27/17 REPORTING LEVEL = 0.8 newdate = 04/27/17 REPORTING LEVEL = 0.8 newdate = 02/24/17 REPORTING LEVEL = 0.8 newdate = 02/24/17 REPORTING LEVEL = 0.8 newdate = 02/02/17 REPORTING LEVEL = 0.8 newdate = 02/02/17 REPORTING LEVEL = 0.8 newdate = 02/02/17 REPORTING LEVEL = 0.8 newdate = 02/02/17 REPORTING LEVEL = 0.8 newdate = 12/23/16 REPORTING LEVEL = 0.8 newdate = 12/23/16 REPORTING LEVEL = 0.8 newdate = 11/29/16 REPORTING LEVEL = 0.8 newdate = 11/29/16 REPORTING LEVEL = 0.8 newdate = 11/10/16 REPORTING LEVEL = 0.8 newdate = 11/10/16 REPORTING LEVEL = 0.8 newdate = 09/28/16 REPORTING LEVEL = 0.8 newdate = 09/28/16 REPORTING LEVEL = 0.8 newdate = 09/23/16 REPORTING LEVEL = 0.8 newdate = 09/23/16 REPORTING LEVEL = 0.8 newdate = 08/31/16 REPORTING LEVEL = 0.8 newdate = 08/31/16 REPORTING LEVEL = 0.8 newdate = 08/12/16 REPORTING LEVEL = 0.8 newdate = 08/12/16 REPORTING LEVEL = 0.8 newdate = 07/06/16 REPORTING LEVEL = 0.8 newdate = 07/06/16 REPORTING LEVEL = 0.8 newdate = 07/06/16 REPORTING LEVEL = 0.8 newdate = 07/06/16 REPORTING LEVEL = 0.8 newdate = 06/23/16 REPORTING LEVEL = 0.8 newdate = 06/23/16 REPORTING LEVEL = 0.8 newdate = 05/20/16 REPORTING LEVEL = 0.8 newdate = 05/20/16 REPORTING LEVEL = 0.8 newdate = 04/28/16 REPORTING LEVEL = 0.8 newdate = 04/28/16 REPORTING LEVEL = 0.8 newdate = 04/09/16 REPORTING LEVEL = 0.8 newdate = 04/09/16 REPORTING LEVEL = 0.8 newdate = 02/12/16 REPORTING LEVEL = 0.8 newdate = 02/12/16 REPORTING LEVEL = 0.8 newdate = 01/22/16 REPORTING LEVEL = 0.8
The SGPlot Procedure

Updated 04/25/2018

False Positive & Negative Listing for BUTANOL

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20163150004 NSI 041516: 25 µl & Phenova B20160303: 25 µl & Accu 216041225: 25 µl 0.8 11/10/16 0.89 0
  20170320043 Abs 060916HVOC: 40 µl & ChemService 5082800: 40 µl & Accu 216041225: 40 µl 0.8 02/02/17 1.13 0
  20171160113 Abs 060916HVOC: 15 µl & ChemService 5082800: 15 µl & NSI 041416HVOC: 15 µl 0.8 04/27/17 1 0
  20171580166 Abs 060916HVOC: 25 µl & ChemService 5082800: 25 µl 0.8 06/13/17 0.72 0
  20172230006 ChemService 6441300: 15 µl & Spex Organics BW170726021: 15 µl & ChemService 6424 0.8 08/16/17 0.96 0

Updated 04/25/2018