Organic Blind Sample Program
False Positives & False Negatives
TOLUENE
Method: 4440 Testid: 34010GCM66
Link to Individual Chart

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newdate = 10/29/16 falseneg = -0.01 newdate = 07/14/16 falsepos = 0.03 newdate = 06/21/16 falsepos = 0.02 newdate = 05/24/16 falsepos = 0.02 newdate = 05/13/16 falsepos = 0.08 newdate = 07/14/17 CENC_VAL = 0.070 newdate = 06/09/17 CENC_VAL = 0.080 newdate = 06/02/17 CENC_VAL = 0.070 newdate = 05/17/17 CENC_VAL = 0.080 newdate = 04/21/17 CENC_VAL = 0.080 newdate = 03/16/17 CENC_VAL = 0.170 newdate = 02/24/17 CENC_VAL = 0.070 newdate = 02/09/17 CENC_VAL = 0.070 newdate = 01/26/17 CENC_VAL = 0.140 newdate = 01/13/17 CENC_VAL = 0.070 newdate = 12/24/16 CENC_VAL = 0.050 newdate = 12/16/16 CENC_VAL = 0.180 newdate = 11/29/16 CENC_VAL = 0.050 newdate = 11/21/16 CENC_VAL = 0.100 newdate = 10/13/16 CENC_VAL = 0.060 newdate = 09/29/16 CENC_VAL = 0.080 newdate = 09/28/16 CENC_VAL = 0.070 newdate = 09/08/16 CENC_VAL = 0.080 newdate = 08/26/16 CENC_VAL = 0.100 newdate = 08/12/16 CENC_VAL = 0.080 newdate = 08/04/16 CENC_VAL = 0.170 newdate = 07/20/16 CENC_VAL = 0.120 newdate = 07/20/16 CENC_VAL = 0.190 newdate = 06/30/16 CENC_VAL = 0.100 newdate = 06/30/16 CENC_VAL = 0.050 newdate = 06/10/16 CENC_VAL = 0.070 newdate = 05/27/16 CENC_VAL = 0.050 newdate = 05/13/16 CENC_VAL = 0.170 newdate = 04/26/16 CENC_VAL = 0.050 newdate = 04/02/16 CENC_VAL = 0.050 newdate = 03/17/16 CENC_VAL = 0.030 newdate = 02/18/16 CENC_VAL = 0.030 newdate = 02/05/16 CENC_VAL = 0.040 newdate = 07/14/17 REPORTING LEVEL = 0.05 newdate = 06/09/17 REPORTING LEVEL = 0.05 newdate = 06/09/17 REPORTING LEVEL = 0.05 newdate = 06/02/17 REPORTING LEVEL = 0.05 newdate = 06/02/17 REPORTING LEVEL = 0.05 newdate = 05/17/17 REPORTING LEVEL = 0.05 newdate = 05/17/17 REPORTING LEVEL = 0.05 newdate = 04/21/17 REPORTING LEVEL = 0.05 newdate = 04/21/17 REPORTING LEVEL = 0.05 newdate = 03/16/17 REPORTING LEVEL = 0.05 newdate = 03/16/17 REPORTING LEVEL = 0.05 newdate = 02/24/17 REPORTING LEVEL = 0.05 newdate = 02/24/17 REPORTING LEVEL = 0.05 newdate = 02/09/17 REPORTING LEVEL = 0.05 newdate = 02/09/17 REPORTING LEVEL = 0.05 newdate = 01/26/17 REPORTING LEVEL = 0.05 newdate = 01/26/17 REPORTING LEVEL = 0.05 newdate = 01/13/17 REPORTING LEVEL = 0.05 newdate = 01/13/17 REPORTING LEVEL = 0.05 newdate = 12/24/16 REPORTING LEVEL = 0.05 newdate = 12/24/16 REPORTING LEVEL = 0.05 newdate = 12/16/16 REPORTING LEVEL = 0.05 newdate = 12/16/16 REPORTING LEVEL = 0.05 newdate = 11/29/16 REPORTING LEVEL = 0.05 newdate = 11/29/16 REPORTING LEVEL = 0.05 newdate = 11/21/16 REPORTING LEVEL = 0.05 newdate = 11/21/16 REPORTING LEVEL = 0.05 newdate = 10/29/16 REPORTING LEVEL = 0.05 newdate = 10/29/16 REPORTING LEVEL = 0.05 newdate = 10/13/16 REPORTING LEVEL = 0.05 newdate = 10/13/16 REPORTING LEVEL = 0.05 newdate = 09/29/16 REPORTING LEVEL = 0.02 newdate = 09/29/16 REPORTING LEVEL = 0.02 newdate = 09/28/16 REPORTING LEVEL = 0.02 newdate = 09/28/16 REPORTING LEVEL = 0.02 newdate = 09/08/16 REPORTING LEVEL = 0.02 newdate = 09/08/16 REPORTING LEVEL = 0.02 newdate = 08/26/16 REPORTING LEVEL = 0.02 newdate = 08/26/16 REPORTING LEVEL = 0.02 newdate = 08/12/16 REPORTING LEVEL = 0.02 newdate = 08/12/16 REPORTING LEVEL = 0.02 newdate = 08/04/16 REPORTING LEVEL = 0.02 newdate = 08/04/16 REPORTING LEVEL = 0.02 newdate = 07/20/16 REPORTING LEVEL = 0.02 newdate = 07/20/16 REPORTING LEVEL = 0.02 newdate = 07/20/16 REPORTING LEVEL = 0.02 newdate = 07/20/16 REPORTING LEVEL = 0.02 newdate = 07/14/16 REPORTING LEVEL = 0.02 newdate = 07/14/16 REPORTING LEVEL = 0.02 newdate = 06/30/16 REPORTING LEVEL = 0.02 newdate = 06/30/16 REPORTING LEVEL = 0.02 newdate = 06/30/16 REPORTING LEVEL = 0.02 newdate = 06/30/16 REPORTING LEVEL = 0.02 newdate = 06/21/16 REPORTING LEVEL = 0.02 newdate = 06/21/16 REPORTING LEVEL = 0.02 newdate = 06/10/16 REPORTING LEVEL = 0.02 newdate = 06/10/16 REPORTING LEVEL = 0.02 newdate = 05/27/16 REPORTING LEVEL = 0.02 newdate = 05/27/16 REPORTING LEVEL = 0.02 newdate = 05/24/16 REPORTING LEVEL = 0.02 newdate = 05/24/16 REPORTING LEVEL = 0.02 newdate = 05/13/16 REPORTING LEVEL = 0.02 newdate = 05/13/16 REPORTING LEVEL = 0.02 newdate = 05/13/16 REPORTING LEVEL = 0.02 newdate = 05/13/16 REPORTING LEVEL = 0.02 newdate = 04/26/16 REPORTING LEVEL = 0.02 newdate = 04/26/16 REPORTING LEVEL = 0.02 newdate = 04/02/16 REPORTING LEVEL = 0.02 newdate = 04/02/16 REPORTING LEVEL = 0.02 newdate = 03/17/16 REPORTING LEVEL = 0.02 newdate = 03/17/16 REPORTING LEVEL = 0.02 newdate = 02/18/16 REPORTING LEVEL = 0.02 newdate = 02/18/16 REPORTING LEVEL = 0.02 newdate = 02/05/16 REPORTING LEVEL = 0.02 Y = 0
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for TOLUENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20162990156 Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 0.05 10/29/16 < 0.05 0.0507
False Positive 20161260156 BLANK 0.02 05/13/16 0.08 0
  20161340232 Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 0.02 05/24/16 E 0.02 0
  20161680363 Phenova B20160319: 25 µl & Crescent 03FF058: 25 µl 0.02 06/21/16 E 0.02 0
  20161880113 Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 0.02 07/14/16 0.03 0

Updated 03/27/2018