Organic Blind Sample Program
False Positives & False Negatives
ACETATE,_ISOBUTYL
Method: 4437 Testid: 77201GM016
Link to Individual Chart

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newdate = 03/10/17 falseneg = -0.01 newdate = 06/23/16 falsepos = 0.0572 newdate = 08/30/17 CENC_VAL = 0.050 newdate = 08/16/17 CENC_VAL = 0.078 newdate = 08/10/17 CENC_VAL = 0.055 newdate = 07/14/17 CENC_VAL = 0.071 newdate = 06/24/17 CENC_VAL = 0.109 newdate = 06/17/17 CENC_VAL = 0.098 newdate = 06/01/17 CENC_VAL = 0.060 newdate = 04/27/17 CENC_VAL = 0.057 newdate = 04/13/17 CENC_VAL = 0.084 newdate = 03/24/17 CENC_VAL = 0.085 newdate = 02/24/17 CENC_VAL = 0.074 newdate = 02/02/17 CENC_VAL = 0.179 newdate = 02/02/17 CENC_VAL = 0.071 newdate = 01/03/17 CENC_VAL = 0.058 newdate = 12/23/16 CENC_VAL = 0.090 newdate = 11/18/16 CENC_VAL = 0.071 newdate = 11/10/16 CENC_VAL = 0.142 newdate = 11/02/16 CENC_VAL = 0.070 newdate = 10/21/16 CENC_VAL = 0.123 newdate = 09/28/16 CENC_VAL = 0.113 newdate = 09/08/16 CENC_VAL = 0.097 newdate = 08/11/16 CENC_VAL = 0.090 newdate = 07/29/16 CENC_VAL = 0.191 newdate = 07/27/16 CENC_VAL = 0.060 newdate = 07/14/16 CENC_VAL = 0.129 newdate = 07/06/16 CENC_VAL = 0.223 newdate = 07/06/16 CENC_VAL = 0.047 newdate = 06/03/16 CENC_VAL = 0.075 newdate = 05/21/16 CENC_VAL = 0.141 newdate = 05/20/16 CENC_VAL = 0.081 newdate = 04/09/16 CENC_VAL = 0.043 newdate = 03/22/16 CENC_VAL = 0.039 newdate = 01/22/16 CENC_VAL = 0.092 newdate = 08/30/17 REPORTING LEVEL = 0.028 newdate = 08/16/17 REPORTING LEVEL = 0.028 newdate = 08/16/17 REPORTING LEVEL = 0.028 newdate = 08/10/17 REPORTING LEVEL = 0.028 newdate = 08/10/17 REPORTING LEVEL = 0.028 newdate = 07/14/17 REPORTING LEVEL = 0.028 newdate = 07/14/17 REPORTING LEVEL = 0.028 newdate = 06/24/17 REPORTING LEVEL = 0.028 newdate = 06/24/17 REPORTING LEVEL = 0.028 newdate = 06/17/17 REPORTING LEVEL = 0.028 newdate = 06/17/17 REPORTING LEVEL = 0.028 newdate = 06/01/17 REPORTING LEVEL = 0.028 newdate = 06/01/17 REPORTING LEVEL = 0.028 newdate = 04/27/17 REPORTING LEVEL = 0.028 newdate = 04/27/17 REPORTING LEVEL = 0.028 newdate = 04/13/17 REPORTING LEVEL = 0.028 newdate = 04/13/17 REPORTING LEVEL = 0.028 newdate = 03/24/17 REPORTING LEVEL = 0.028 newdate = 03/24/17 REPORTING LEVEL = 0.028 newdate = 03/10/17 REPORTING LEVEL = 0.028 newdate = 03/10/17 REPORTING LEVEL = 0.028 newdate = 02/24/17 REPORTING LEVEL = 0.028 newdate = 02/24/17 REPORTING LEVEL = 0.028 newdate = 02/02/17 REPORTING LEVEL = 0.028 newdate = 02/02/17 REPORTING LEVEL = 0.028 newdate = 02/02/17 REPORTING LEVEL = 0.028 newdate = 02/02/17 REPORTING LEVEL = 0.028 newdate = 01/03/17 REPORTING LEVEL = 0.028 newdate = 01/03/17 REPORTING LEVEL = 0.028 newdate = 12/23/16 REPORTING LEVEL = 0.028 newdate = 12/23/16 REPORTING LEVEL = 0.028 newdate = 11/18/16 REPORTING LEVEL = 0.028 newdate = 11/18/16 REPORTING LEVEL = 0.028 newdate = 11/10/16 REPORTING LEVEL = 0.028 newdate = 11/10/16 REPORTING LEVEL = 0.028 newdate = 11/02/16 REPORTING LEVEL = 0.028 newdate = 11/02/16 REPORTING LEVEL = 0.028 newdate = 10/21/16 REPORTING LEVEL = 0.028 newdate = 10/21/16 REPORTING LEVEL = 0.028 newdate = 09/28/16 REPORTING LEVEL = 0.028 newdate = 09/28/16 REPORTING LEVEL = 0.028 newdate = 09/08/16 REPORTING LEVEL = 0.028 newdate = 09/08/16 REPORTING LEVEL = 0.028 newdate = 08/11/16 REPORTING LEVEL = 0.028 newdate = 08/11/16 REPORTING LEVEL = 0.028 newdate = 07/29/16 REPORTING LEVEL = 0.028 newdate = 07/29/16 REPORTING LEVEL = 0.028 newdate = 07/27/16 REPORTING LEVEL = 0.028 newdate = 07/27/16 REPORTING LEVEL = 0.028 newdate = 07/14/16 REPORTING LEVEL = 0.028 newdate = 07/14/16 REPORTING LEVEL = 0.028 newdate = 07/06/16 REPORTING LEVEL = 0.028 newdate = 07/06/16 REPORTING LEVEL = 0.028 newdate = 07/06/16 REPORTING LEVEL = 0.028 newdate = 07/06/16 REPORTING LEVEL = 0.028 newdate = 06/23/16 REPORTING LEVEL = 0.028 newdate = 06/23/16 REPORTING LEVEL = 0.028 newdate = 06/03/16 REPORTING LEVEL = 0.028 newdate = 06/03/16 REPORTING LEVEL = 0.028 newdate = 05/21/16 REPORTING LEVEL = 0.028 newdate = 05/21/16 REPORTING LEVEL = 0.028 newdate = 05/20/16 REPORTING LEVEL = 0.028 newdate = 05/20/16 REPORTING LEVEL = 0.028 newdate = 04/09/16 REPORTING LEVEL = 0.028 newdate = 04/09/16 REPORTING LEVEL = 0.028 newdate = 03/22/16 REPORTING LEVEL = 0.028 newdate = 03/22/16 REPORTING LEVEL = 0.028 newdate = 01/22/16 REPORTING LEVEL = 0.028 Y = 0
The SGPlot Procedure

Updated 04/25/2018

False Positive & Negative Listing for ACETATE,_ISOBUTYL

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20170680005 Phenova B20160303: 25 µl & Supelco LC20145V: 25 µl & Accu 216041225: 25 µl 0.028 03/10/17 < 0.028 0.11485
False Positive 20161680364   0.028 06/23/16 0.0572 0

Updated 04/25/2018