Organic Blind Sample Program
False Positives & False Negatives
1,1-DIFLUOROETHANE
Method: 4440 Testid: 49538GCM66
Link to Individual Chart

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newdate = 02/03/17 falsepos = 0.105 newdate = 06/23/17 CENC_VAL = 0.051 newdate = 06/17/17 CENC_VAL = 0.051 newdate = 05/25/17 CENC_VAL = 0.031 newdate = 04/03/17 CENC_VAL = 0.069 newdate = 03/16/17 CENC_VAL = 0.102 newdate = 01/13/17 CENC_VAL = 0.038 newdate = 01/04/17 CENC_VAL = 0.088 newdate = 12/12/16 CENC_VAL = 0.106 newdate = 11/21/16 CENC_VAL = 0.054 newdate = 09/28/16 CENC_VAL = 0.033 newdate = 09/08/16 CENC_VAL = 0.037 newdate = 08/20/16 CENC_VAL = 0.035 newdate = 08/04/16 CENC_VAL = 0.102 newdate = 07/06/16 CENC_VAL = 0.061 newdate = 06/21/16 CENC_VAL = 0.058 newdate = 05/24/16 CENC_VAL = 0.057 newdate = 05/13/16 CENC_VAL = 0.027 newdate = 04/26/16 CENC_VAL = 0.046 newdate = 04/02/16 CENC_VAL = 0.055 newdate = 03/17/16 CENC_VAL = 0.032 newdate = 02/18/16 CENC_VAL = 0.034 newdate = 02/05/16 CENC_VAL = 0.054 newdate = 06/23/17 REPORTING LEVEL = 0.025 newdate = 06/17/17 REPORTING LEVEL = 0.025 newdate = 06/17/17 REPORTING LEVEL = 0.025 newdate = 05/25/17 REPORTING LEVEL = 0.025 newdate = 05/25/17 REPORTING LEVEL = 0.025 newdate = 04/03/17 REPORTING LEVEL = 0.025 newdate = 04/03/17 REPORTING LEVEL = 0.025 newdate = 03/16/17 REPORTING LEVEL = 0.025 newdate = 03/16/17 REPORTING LEVEL = 0.025 newdate = 02/03/17 REPORTING LEVEL = 0.025 newdate = 02/03/17 REPORTING LEVEL = 0.025 newdate = 01/13/17 REPORTING LEVEL = 0.025 newdate = 01/13/17 REPORTING LEVEL = 0.025 newdate = 01/04/17 REPORTING LEVEL = 0.025 newdate = 01/04/17 REPORTING LEVEL = 0.025 newdate = 12/12/16 REPORTING LEVEL = 0.025 newdate = 12/12/16 REPORTING LEVEL = 0.025 newdate = 11/21/16 REPORTING LEVEL = 0.025 newdate = 11/21/16 REPORTING LEVEL = 0.025 newdate = 09/28/16 REPORTING LEVEL = 0.022 newdate = 09/28/16 REPORTING LEVEL = 0.022 newdate = 09/08/16 REPORTING LEVEL = 0.022 newdate = 09/08/16 REPORTING LEVEL = 0.022 newdate = 08/20/16 REPORTING LEVEL = 0.022 newdate = 08/20/16 REPORTING LEVEL = 0.022 newdate = 08/04/16 REPORTING LEVEL = 0.022 newdate = 08/04/16 REPORTING LEVEL = 0.022 newdate = 07/06/16 REPORTING LEVEL = 0.022 newdate = 07/06/16 REPORTING LEVEL = 0.022 newdate = 06/21/16 REPORTING LEVEL = 0.022 newdate = 06/21/16 REPORTING LEVEL = 0.022 newdate = 05/24/16 REPORTING LEVEL = 0.022 newdate = 05/24/16 REPORTING LEVEL = 0.022 newdate = 05/13/16 REPORTING LEVEL = 0.022 newdate = 05/13/16 REPORTING LEVEL = 0.022 newdate = 04/26/16 REPORTING LEVEL = 0.022 newdate = 04/26/16 REPORTING LEVEL = 0.022 newdate = 04/02/16 REPORTING LEVEL = 0.022 newdate = 04/02/16 REPORTING LEVEL = 0.022 newdate = 03/17/16 REPORTING LEVEL = 0.022 newdate = 03/17/16 REPORTING LEVEL = 0.022 newdate = 02/18/16 REPORTING LEVEL = 0.022 newdate = 02/18/16 REPORTING LEVEL = 0.022 newdate = 02/05/16 REPORTING LEVEL = 0.022
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for 1,1-DIFLUOROETHANE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20170320042 Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 0.025 02/03/17 0.105 0

Updated 03/27/2018