BQS Organic Blind Sample Program
False Positives & False Negatives
4-CHLOROBENZYLMETHYL SULFOXIDE
Method: 2437 Testid: 68514LCM60

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The SGPlot Procedure

Updated 03/25/2016

False Positive & Negative Listing for 4-CHLOROBENZYLMETHYL SULFOXIDE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20141910245 Abs 042914: 30 µl & Abs 042814Pest3: 30 µl 4 07/19/14 < 4 15.93
  20142060046 ERA 0321-14-07: 15 µl & Abs 042814Pest3: 15 µl 4 07/31/14 < 4 7.965
  20142270006 Abs 042814Pest3: 15 µl & Abs 042314: 15 µl 4 08/20/14 < 4 7.965
  20142620041 Abs 042814Pest3: 15 µl & ChemService 2609400: 15 µl 4 09/23/14 < 4 7.965
  20143180048 Abs 042814Pest3: 30 µl & ChemService 2609400: 30 µl 4 11/18/14 < 4 15.93
  20150850163 ERA 0321-14-07: 15 µl & Abs 042814Pest3: 15 µl 4 04/09/15 < 4.44 7.965
  20150930002 Abs 042814Pest3: 15 µl & ChemService 2609400: 15 µl 4 04/08/15 < 4 7.965
  20152110200 ERA 0406-15-06: 10 µl & ERA 0406-15-04: 10 µl 4 08/11/15 < 4 6.03
  20152110201 ERA 0406-15-06: 10 µl & ERA 0406-15-04: 10 µl 4 08/11/15 < 4 6.03
  20152110202 ERA 0406-15-06: 10 µl & ERA 0406-15-04: 10 µl 4 08/11/15 < 4 6.03
  20152190004 ChemService 3995200: 20 µl & ChemService 3880100: 20 µl & ERA 0406-15-06: 20 µl 4 08/12/15 < 4 12.06
  20152190005 ChemService 3995200: 20 µl & ChemService 3880100: 20 µl & ERA 0406-15-06: 20 µl 4 08/12/15 < 4 12.06
  20152190006 ChemService 3995200: 20 µl & ChemService 3880100: 20 µl & ERA 0406-15-06: 20 µl 4 08/12/15 < 4 12.06

Updated 03/25/2016