Organic Blind Sample Program
False Positives & False Negatives
CHLOROMETHANE
Method: 4440 Testid: 34418GCM66
Link to Individual Chart

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newdate = 07/06/16 falsepos = 0.2 newdate = 06/10/16 falsepos = 0.1 newdate = 06/23/17 CENC_VAL = 0.500 newdate = 06/17/17 CENC_VAL = 0.500 newdate = 06/09/17 CENC_VAL = 0.400 newdate = 05/25/17 CENC_VAL = 0.200 newdate = 05/17/17 CENC_VAL = 0.300 newdate = 04/03/17 CENC_VAL = 0.300 newdate = 03/09/17 CENC_VAL = 0.700 newdate = 02/24/17 CENC_VAL = 0.400 newdate = 02/03/17 CENC_VAL = 0.500 newdate = 01/26/17 CENC_VAL = 0.600 newdate = 01/04/17 CENC_VAL = 0.600 newdate = 12/24/16 CENC_VAL = 0.200 newdate = 12/12/16 CENC_VAL = 0.500 newdate = 11/29/16 CENC_VAL = 0.200 newdate = 11/14/16 CENC_VAL = 0.400 newdate = 10/29/16 CENC_VAL = 0.300 newdate = 10/13/16 CENC_VAL = 0.300 newdate = 09/29/16 CENC_VAL = 0.500 newdate = 09/08/16 CENC_VAL = 0.400 newdate = 09/08/16 CENC_VAL = 0.200 newdate = 08/20/16 CENC_VAL = 0.300 newdate = 08/12/16 CENC_VAL = 0.500 newdate = 07/29/16 CENC_VAL = 0.300 newdate = 07/20/16 CENC_VAL = 0.800 newdate = 07/14/16 CENC_VAL = 0.700 newdate = 07/06/16 CENC_VAL = 0.300 newdate = 06/21/16 CENC_VAL = 0.500 newdate = 05/27/16 CENC_VAL = 0.200 newdate = 05/24/16 CENC_VAL = 0.400 newdate = 04/26/16 CENC_VAL = 0.200 newdate = 03/17/16 CENC_VAL = 0.100 newdate = 03/04/16 CENC_VAL = 0.200 newdate = 02/05/16 CENC_VAL = 0.300 newdate = 01/27/16 CENC_VAL = 0.200 newdate = 06/23/17 REPORTING LEVEL = 0.1 newdate = 06/17/17 REPORTING LEVEL = 0.1 newdate = 06/17/17 REPORTING LEVEL = 0.1 newdate = 06/09/17 REPORTING LEVEL = 0.1 newdate = 06/09/17 REPORTING LEVEL = 0.1 newdate = 05/25/17 REPORTING LEVEL = 0.1 newdate = 05/25/17 REPORTING LEVEL = 0.1 newdate = 05/17/17 REPORTING LEVEL = 0.1 newdate = 05/17/17 REPORTING LEVEL = 0.1 newdate = 04/03/17 REPORTING LEVEL = 0.1 newdate = 04/03/17 REPORTING LEVEL = 0.1 newdate = 03/09/17 REPORTING LEVEL = 0.1 newdate = 03/09/17 REPORTING LEVEL = 0.1 newdate = 02/24/17 REPORTING LEVEL = 0.1 newdate = 02/24/17 REPORTING LEVEL = 0.1 newdate = 02/03/17 REPORTING LEVEL = 0.1 newdate = 02/03/17 REPORTING LEVEL = 0.1 newdate = 01/26/17 REPORTING LEVEL = 0.1 newdate = 01/26/17 REPORTING LEVEL = 0.1 newdate = 01/04/17 REPORTING LEVEL = 0.1 newdate = 01/04/17 REPORTING LEVEL = 0.1 newdate = 12/24/16 REPORTING LEVEL = 0.1 newdate = 12/24/16 REPORTING LEVEL = 0.1 newdate = 12/12/16 REPORTING LEVEL = 0.1 newdate = 12/12/16 REPORTING LEVEL = 0.1 newdate = 11/29/16 REPORTING LEVEL = 0.1 newdate = 11/29/16 REPORTING LEVEL = 0.1 newdate = 11/14/16 REPORTING LEVEL = 0.1 newdate = 11/14/16 REPORTING LEVEL = 0.1 newdate = 10/29/16 REPORTING LEVEL = 0.1 newdate = 10/29/16 REPORTING LEVEL = 0.1 newdate = 10/13/16 REPORTING LEVEL = 0.1 newdate = 10/13/16 REPORTING LEVEL = 0.1 newdate = 09/29/16 REPORTING LEVEL = 0.1 newdate = 09/29/16 REPORTING LEVEL = 0.1 newdate = 09/08/16 REPORTING LEVEL = 0.1 newdate = 09/08/16 REPORTING LEVEL = 0.1 newdate = 09/08/16 REPORTING LEVEL = 0.1 newdate = 09/08/16 REPORTING LEVEL = 0.1 newdate = 08/20/16 REPORTING LEVEL = 0.1 newdate = 08/20/16 REPORTING LEVEL = 0.1 newdate = 08/12/16 REPORTING LEVEL = 0.1 newdate = 08/12/16 REPORTING LEVEL = 0.1 newdate = 07/29/16 REPORTING LEVEL = 0.1 newdate = 07/29/16 REPORTING LEVEL = 0.1 newdate = 07/20/16 REPORTING LEVEL = 0.1 newdate = 07/20/16 REPORTING LEVEL = 0.1 newdate = 07/14/16 REPORTING LEVEL = 0.1 newdate = 07/14/16 REPORTING LEVEL = 0.1 newdate = 07/06/16 REPORTING LEVEL = 0.1 newdate = 07/06/16 REPORTING LEVEL = 0.1 newdate = 07/06/16 REPORTING LEVEL = 0.1 newdate = 07/06/16 REPORTING LEVEL = 0.1 newdate = 06/21/16 REPORTING LEVEL = 0.1 newdate = 06/21/16 REPORTING LEVEL = 0.1 newdate = 06/10/16 REPORTING LEVEL = 0.1 newdate = 06/10/16 REPORTING LEVEL = 0.1 newdate = 05/27/16 REPORTING LEVEL = 0.1 newdate = 05/27/16 REPORTING LEVEL = 0.1 newdate = 05/24/16 REPORTING LEVEL = 0.1 newdate = 05/24/16 REPORTING LEVEL = 0.1 newdate = 04/26/16 REPORTING LEVEL = 0.1 newdate = 04/26/16 REPORTING LEVEL = 0.1 newdate = 03/17/16 REPORTING LEVEL = 0.1 newdate = 03/17/16 REPORTING LEVEL = 0.1 newdate = 03/04/16 REPORTING LEVEL = 0.1 newdate = 03/04/16 REPORTING LEVEL = 0.1 newdate = 02/05/16 REPORTING LEVEL = 0.1 newdate = 02/05/16 REPORTING LEVEL = 0.1 newdate = 01/27/16 REPORTING LEVEL = 0.1
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for CHLOROMETHANE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20161600091 NSI 041816AVOC: 15 µl & ChemService 5082900: 15 µl 0.1 06/10/16 E 0.1 0
  20161740255 Crescent 03FF058: 25 µl & ChemService 5082900: 25 µl 0.1 07/06/16 E 0.2 0

Updated 03/27/2018