Organic Blind Sample Program
False Positives & False Negatives
STYRENE
Method: 4440 Testid: 77128GCM66
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newdate = 03/17/16 falsepos = 0.0451 newdate = 07/14/17 CENC_VAL = 0.110 newdate = 06/23/17 CENC_VAL = 0.133 newdate = 06/17/17 CENC_VAL = 0.155 newdate = 06/02/17 CENC_VAL = 0.119 newdate = 05/25/17 CENC_VAL = 0.099 newdate = 04/21/17 CENC_VAL = 0.184 newdate = 04/03/17 CENC_VAL = 0.171 newdate = 03/16/17 CENC_VAL = 0.275 newdate = 03/09/17 CENC_VAL = 0.286 newdate = 02/09/17 CENC_VAL = 0.099 newdate = 02/03/17 CENC_VAL = 0.133 newdate = 01/13/17 CENC_VAL = 0.082 newdate = 01/04/17 CENC_VAL = 0.242 newdate = 12/16/16 CENC_VAL = 0.279 newdate = 12/12/16 CENC_VAL = 0.269 newdate = 11/21/16 CENC_VAL = 0.170 newdate = 11/14/16 CENC_VAL = 0.174 newdate = 10/13/16 CENC_VAL = 0.102 newdate = 10/13/16 CENC_VAL = 0.096 newdate = 09/28/16 CENC_VAL = 0.092 newdate = 09/08/16 CENC_VAL = 0.081 newdate = 08/26/16 CENC_VAL = 0.164 newdate = 08/20/16 CENC_VAL = 0.095 newdate = 08/04/16 CENC_VAL = 0.248 newdate = 07/29/16 CENC_VAL = 0.095 newdate = 07/20/16 CENC_VAL = 0.168 newdate = 07/14/16 CENC_VAL = 0.252 newdate = 06/30/16 CENC_VAL = 0.152 newdate = 06/21/16 CENC_VAL = 0.161 newdate = 06/10/16 CENC_VAL = 0.104 newdate = 05/24/16 CENC_VAL = 0.143 newdate = 04/26/16 CENC_VAL = 0.079 newdate = 03/17/16 CENC_VAL = 0.095 newdate = 03/04/16 CENC_VAL = 0.077 newdate = 02/05/16 CENC_VAL = 0.083 newdate = 01/27/16 CENC_VAL = 0.060 newdate = 07/14/17 REPORTING LEVEL = 0.042 newdate = 06/23/17 REPORTING LEVEL = 0.042 newdate = 06/23/17 REPORTING LEVEL = 0.042 newdate = 06/17/17 REPORTING LEVEL = 0.042 newdate = 06/17/17 REPORTING LEVEL = 0.042 newdate = 06/02/17 REPORTING LEVEL = 0.042 newdate = 06/02/17 REPORTING LEVEL = 0.042 newdate = 05/25/17 REPORTING LEVEL = 0.042 newdate = 05/25/17 REPORTING LEVEL = 0.042 newdate = 04/21/17 REPORTING LEVEL = 0.042 newdate = 04/21/17 REPORTING LEVEL = 0.042 newdate = 04/03/17 REPORTING LEVEL = 0.042 newdate = 04/03/17 REPORTING LEVEL = 0.042 newdate = 03/16/17 REPORTING LEVEL = 0.042 newdate = 03/16/17 REPORTING LEVEL = 0.042 newdate = 03/09/17 REPORTING LEVEL = 0.042 newdate = 03/09/17 REPORTING LEVEL = 0.042 newdate = 02/09/17 REPORTING LEVEL = 0.042 newdate = 02/09/17 REPORTING LEVEL = 0.042 newdate = 02/03/17 REPORTING LEVEL = 0.042 newdate = 02/03/17 REPORTING LEVEL = 0.042 newdate = 01/13/17 REPORTING LEVEL = 0.042 newdate = 01/13/17 REPORTING LEVEL = 0.042 newdate = 01/04/17 REPORTING LEVEL = 0.042 newdate = 01/04/17 REPORTING LEVEL = 0.042 newdate = 12/16/16 REPORTING LEVEL = 0.042 newdate = 12/16/16 REPORTING LEVEL = 0.042 newdate = 12/12/16 REPORTING LEVEL = 0.042 newdate = 12/12/16 REPORTING LEVEL = 0.042 newdate = 11/21/16 REPORTING LEVEL = 0.042 newdate = 11/21/16 REPORTING LEVEL = 0.042 newdate = 11/14/16 REPORTING LEVEL = 0.042 newdate = 11/14/16 REPORTING LEVEL = 0.042 newdate = 10/13/16 REPORTING LEVEL = 0.042 newdate = 10/13/16 REPORTING LEVEL = 0.042 newdate = 10/13/16 REPORTING LEVEL = 0.042 newdate = 10/13/16 REPORTING LEVEL = 0.042 newdate = 09/28/16 REPORTING LEVEL = 0.042 newdate = 09/28/16 REPORTING LEVEL = 0.042 newdate = 09/08/16 REPORTING LEVEL = 0.042 newdate = 09/08/16 REPORTING LEVEL = 0.042 newdate = 08/26/16 REPORTING LEVEL = 0.042 newdate = 08/26/16 REPORTING LEVEL = 0.042 newdate = 08/20/16 REPORTING LEVEL = 0.042 newdate = 08/20/16 REPORTING LEVEL = 0.042 newdate = 08/04/16 REPORTING LEVEL = 0.042 newdate = 08/04/16 REPORTING LEVEL = 0.042 newdate = 07/29/16 REPORTING LEVEL = 0.042 newdate = 07/29/16 REPORTING LEVEL = 0.042 newdate = 07/20/16 REPORTING LEVEL = 0.042 newdate = 07/20/16 REPORTING LEVEL = 0.042 newdate = 07/14/16 REPORTING LEVEL = 0.042 newdate = 07/14/16 REPORTING LEVEL = 0.042 newdate = 06/30/16 REPORTING LEVEL = 0.042 newdate = 06/30/16 REPORTING LEVEL = 0.042 newdate = 06/21/16 REPORTING LEVEL = 0.042 newdate = 06/21/16 REPORTING LEVEL = 0.042 newdate = 06/10/16 REPORTING LEVEL = 0.042 newdate = 06/10/16 REPORTING LEVEL = 0.042 newdate = 05/24/16 REPORTING LEVEL = 0.042 newdate = 05/24/16 REPORTING LEVEL = 0.042 newdate = 04/26/16 REPORTING LEVEL = 0.042 newdate = 04/26/16 REPORTING LEVEL = 0.042 newdate = 03/17/16 REPORTING LEVEL = 0.042 newdate = 03/17/16 REPORTING LEVEL = 0.042 newdate = 03/17/16 REPORTING LEVEL = 0.042 newdate = 03/17/16 REPORTING LEVEL = 0.042 newdate = 03/04/16 REPORTING LEVEL = 0.042 newdate = 03/04/16 REPORTING LEVEL = 0.042 newdate = 02/05/16 REPORTING LEVEL = 0.042 newdate = 02/05/16 REPORTING LEVEL = 0.042 newdate = 01/27/16 REPORTING LEVEL = 0.042
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for STYRENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20160770092 BLANK 0.042 03/17/16 0.0451 0

Updated 03/27/2018