Organic Blind Sample Program
False Positives & False Negatives
4-HEPTANONE,_2,6-DIMETHYL-
Method: 4437 Testid: 77419GM016
Link to Individual Chart

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newdate = 06/24/17 falsepos = 0.124 newdate = 07/29/16 falsepos = 0.0127 newdate = 07/06/16 falsepos = 0.0108 newdate = 08/16/17 CENC_VAL = 0.102 newdate = 08/01/17 CENC_VAL = 0.078 newdate = 07/14/17 CENC_VAL = 0.089 newdate = 06/13/17 CENC_VAL = 0.118 newdate = 04/27/17 CENC_VAL = 0.075 newdate = 03/24/17 CENC_VAL = 0.081 newdate = 03/10/17 CENC_VAL = 0.121 newdate = 03/09/17 CENC_VAL = 0.188 newdate = 02/24/17 CENC_VAL = 0.066 newdate = 02/02/17 CENC_VAL = 0.187 newdate = 01/24/17 CENC_VAL = 0.183 newdate = 01/14/17 CENC_VAL = 0.067 newdate = 12/23/16 CENC_VAL = 0.133 newdate = 12/05/16 CENC_VAL = 0.185 newdate = 11/18/16 CENC_VAL = 0.076 newdate = 11/10/16 CENC_VAL = 0.114 newdate = 10/21/16 CENC_VAL = 0.191 newdate = 10/07/16 CENC_VAL = 0.079 newdate = 09/23/16 CENC_VAL = 0.189 newdate = 09/08/16 CENC_VAL = 0.111 newdate = 08/31/16 CENC_VAL = 0.124 newdate = 08/18/16 CENC_VAL = 0.078 newdate = 08/11/16 CENC_VAL = 0.117 newdate = 07/27/16 CENC_VAL = 0.074 newdate = 07/14/16 CENC_VAL = 0.119 newdate = 07/06/16 CENC_VAL = 0.071 newdate = 06/29/16 CENC_VAL = 0.219 newdate = 06/23/16 CENC_VAL = 0.078 newdate = 06/03/16 CENC_VAL = 0.073 newdate = 04/28/16 CENC_VAL = 0.071 newdate = 03/22/16 CENC_VAL = 0.052 newdate = 02/12/16 CENC_VAL = 0.041 newdate = 08/16/17 REPORTING LEVEL = 0.032 newdate = 08/01/17 REPORTING LEVEL = 0.032 newdate = 08/01/17 REPORTING LEVEL = 0.032 newdate = 07/14/17 REPORTING LEVEL = 0.032 newdate = 07/14/17 REPORTING LEVEL = 0.032 newdate = 06/24/17 REPORTING LEVEL = 0.032 newdate = 06/24/17 REPORTING LEVEL = 0.032 newdate = 06/13/17 REPORTING LEVEL = 0.032 newdate = 06/13/17 REPORTING LEVEL = 0.032 newdate = 04/27/17 REPORTING LEVEL = 0.032 newdate = 04/27/17 REPORTING LEVEL = 0.032 newdate = 03/24/17 REPORTING LEVEL = 0.032 newdate = 03/24/17 REPORTING LEVEL = 0.032 newdate = 03/10/17 REPORTING LEVEL = 0.032 newdate = 03/10/17 REPORTING LEVEL = 0.032 newdate = 03/09/17 REPORTING LEVEL = 0.032 newdate = 03/09/17 REPORTING LEVEL = 0.032 newdate = 02/24/17 REPORTING LEVEL = 0.032 newdate = 02/24/17 REPORTING LEVEL = 0.032 newdate = 02/02/17 REPORTING LEVEL = 0.032 newdate = 02/02/17 REPORTING LEVEL = 0.032 newdate = 01/24/17 REPORTING LEVEL = 0.032 newdate = 01/24/17 REPORTING LEVEL = 0.032 newdate = 01/14/17 REPORTING LEVEL = 0.032 newdate = 01/14/17 REPORTING LEVEL = 0.032 newdate = 12/23/16 REPORTING LEVEL = 0.032 newdate = 12/23/16 REPORTING LEVEL = 0.032 newdate = 12/05/16 REPORTING LEVEL = 0.032 newdate = 12/05/16 REPORTING LEVEL = 0.032 newdate = 11/18/16 REPORTING LEVEL = 0.032 newdate = 11/18/16 REPORTING LEVEL = 0.032 newdate = 11/10/16 REPORTING LEVEL = 0.032 newdate = 11/10/16 REPORTING LEVEL = 0.032 newdate = 10/21/16 REPORTING LEVEL = 0.032 newdate = 10/21/16 REPORTING LEVEL = 0.032 newdate = 10/07/16 REPORTING LEVEL = 0.032 newdate = 10/07/16 REPORTING LEVEL = 0.032 newdate = 09/23/16 REPORTING LEVEL = 0.032 newdate = 09/23/16 REPORTING LEVEL = 0.032 newdate = 09/08/16 REPORTING LEVEL = 0.032 newdate = 09/08/16 REPORTING LEVEL = 0.032 newdate = 08/31/16 REPORTING LEVEL = 0.032 newdate = 08/31/16 REPORTING LEVEL = 0.032 newdate = 08/18/16 REPORTING LEVEL = 0.032 newdate = 08/18/16 REPORTING LEVEL = 0.032 newdate = 08/11/16 REPORTING LEVEL = 0.032 newdate = 08/11/16 REPORTING LEVEL = 0.032 newdate = 07/29/16 REPORTING LEVEL = 0.032 newdate = 07/29/16 REPORTING LEVEL = 0.032 newdate = 07/27/16 REPORTING LEVEL = 0.032 newdate = 07/27/16 REPORTING LEVEL = 0.032 newdate = 07/14/16 REPORTING LEVEL = 0.032 newdate = 07/14/16 REPORTING LEVEL = 0.032 newdate = 07/06/16 REPORTING LEVEL = 0.032 newdate = 07/06/16 REPORTING LEVEL = 0.032 newdate = 07/06/16 REPORTING LEVEL = 0.032 newdate = 07/06/16 REPORTING LEVEL = 0.032 newdate = 06/29/16 REPORTING LEVEL = 0.032 newdate = 06/29/16 REPORTING LEVEL = 0.032 newdate = 06/23/16 REPORTING LEVEL = 0.032 newdate = 06/23/16 REPORTING LEVEL = 0.032 newdate = 06/03/16 REPORTING LEVEL = 0.032 newdate = 06/03/16 REPORTING LEVEL = 0.032 newdate = 04/28/16 REPORTING LEVEL = 0.032 newdate = 04/28/16 REPORTING LEVEL = 0.032 newdate = 03/22/16 REPORTING LEVEL = 0.032 newdate = 03/22/16 REPORTING LEVEL = 0.032 newdate = 02/12/16 REPORTING LEVEL = 0.032 Y = 0
The SGPlot Procedure

Updated 04/25/2018

False Positive & Negative Listing for 4-HEPTANONE,_2,6-DIMETHYL-

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20161880112 Accu 216041354: 40 µl & NSI 041516: 40 µl & NSI 041416HVOC: 40 µl 0.032 07/06/16 0.0108 0
  20162100018 Supelco LC20145V: 40 µl & NSI 041516: 40 µl & NSI 041416HVOC: 40 µl 0.032 07/29/16 0.0127 0
  20171720144 Supelco LC20145V: 25 µl & Abs 060916HVOC: 25 µl & Accu 216041225: 25 µl 0.032 06/24/17 0.124 0

Updated 04/25/2018