Organic Blind Sample Program
False Positives & False Negatives
1,3-BUTADIENE
Method: 4440 Testid: 68726GCM66
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newdate = 01/26/17 falsepos = 0.093 newdate = 12/24/16 falsepos = 0.064 newdate = 11/29/16 falsepos = 0.075 newdate = 10/29/16 falsepos = 0.023 newdate = 09/29/16 falsepos = 0.058 newdate = 09/08/16 falsepos = 0.053 newdate = 08/12/16 falsepos = 0.044 newdate = 06/30/16 falsepos = 0.032 newdate = 05/27/16 falsepos = 0.025 newdate = 03/04/16 falsepos = 0.037 newdate = 01/27/16 falsepos = 0.015 newdate = 06/23/17 CENC_VAL = 0.232 newdate = 06/17/17 CENC_VAL = 0.204 newdate = 05/25/17 CENC_VAL = 0.145 newdate = 04/03/17 CENC_VAL = 0.212 newdate = 03/16/17 CENC_VAL = 0.350 newdate = 01/13/17 CENC_VAL = 0.142 newdate = 01/04/17 CENC_VAL = 0.423 newdate = 12/12/16 CENC_VAL = 0.496 newdate = 11/21/16 CENC_VAL = 0.194 newdate = 09/28/16 CENC_VAL = 0.085 newdate = 09/08/16 CENC_VAL = 0.184 newdate = 08/20/16 CENC_VAL = 0.178 newdate = 08/04/16 CENC_VAL = 0.401 newdate = 06/30/16 CENC_VAL = 0.235 newdate = 06/21/16 CENC_VAL = 0.266 newdate = 05/24/16 CENC_VAL = 0.235 newdate = 05/13/16 CENC_VAL = 0.084 newdate = 04/26/16 CENC_VAL = 0.123 newdate = 04/02/16 CENC_VAL = 0.186 newdate = 03/17/16 CENC_VAL = 0.101 newdate = 02/18/16 CENC_VAL = 0.132 newdate = 02/05/16 CENC_VAL = 0.164 newdate = 06/23/17 REPORTING LEVEL = 0.08 newdate = 06/17/17 REPORTING LEVEL = 0.08 newdate = 06/17/17 REPORTING LEVEL = 0.08 newdate = 05/25/17 REPORTING LEVEL = 0.08 newdate = 05/25/17 REPORTING LEVEL = 0.08 newdate = 04/03/17 REPORTING LEVEL = 0.08 newdate = 04/03/17 REPORTING LEVEL = 0.08 newdate = 03/16/17 REPORTING LEVEL = 0.08 newdate = 03/16/17 REPORTING LEVEL = 0.08 newdate = 01/26/17 REPORTING LEVEL = 0.08 newdate = 01/26/17 REPORTING LEVEL = 0.08 newdate = 01/13/17 REPORTING LEVEL = 0.08 newdate = 01/13/17 REPORTING LEVEL = 0.08 newdate = 01/04/17 REPORTING LEVEL = 0.08 newdate = 01/04/17 REPORTING LEVEL = 0.08 newdate = 12/24/16 REPORTING LEVEL = 0.08 newdate = 12/24/16 REPORTING LEVEL = 0.08 newdate = 12/12/16 REPORTING LEVEL = 0.08 newdate = 12/12/16 REPORTING LEVEL = 0.08 newdate = 11/29/16 REPORTING LEVEL = 0.08 newdate = 11/29/16 REPORTING LEVEL = 0.08 newdate = 11/21/16 REPORTING LEVEL = 0.08 newdate = 11/21/16 REPORTING LEVEL = 0.08 newdate = 10/29/16 REPORTING LEVEL = 0.08 newdate = 10/29/16 REPORTING LEVEL = 0.08 newdate = 09/29/16 REPORTING LEVEL = 0.08 newdate = 09/29/16 REPORTING LEVEL = 0.08 newdate = 09/28/16 REPORTING LEVEL = 0.08 newdate = 09/28/16 REPORTING LEVEL = 0.08 newdate = 09/08/16 REPORTING LEVEL = 0.08 newdate = 09/08/16 REPORTING LEVEL = 0.08 newdate = 09/08/16 REPORTING LEVEL = 0.08 newdate = 09/08/16 REPORTING LEVEL = 0.08 newdate = 08/20/16 REPORTING LEVEL = 0.08 newdate = 08/20/16 REPORTING LEVEL = 0.08 newdate = 08/12/16 REPORTING LEVEL = 0.08 newdate = 08/12/16 REPORTING LEVEL = 0.08 newdate = 08/04/16 REPORTING LEVEL = 0.08 newdate = 08/04/16 REPORTING LEVEL = 0.08 newdate = 06/30/16 REPORTING LEVEL = 0.08 newdate = 06/30/16 REPORTING LEVEL = 0.08 newdate = 06/30/16 REPORTING LEVEL = 0.08 newdate = 06/30/16 REPORTING LEVEL = 0.08 newdate = 06/21/16 REPORTING LEVEL = 0.08 newdate = 06/21/16 REPORTING LEVEL = 0.08 newdate = 05/27/16 REPORTING LEVEL = 0.08 newdate = 05/27/16 REPORTING LEVEL = 0.08 newdate = 05/24/16 REPORTING LEVEL = 0.08 newdate = 05/24/16 REPORTING LEVEL = 0.08 newdate = 05/13/16 REPORTING LEVEL = 0.08 newdate = 05/13/16 REPORTING LEVEL = 0.08 newdate = 04/26/16 REPORTING LEVEL = 0.08 newdate = 04/26/16 REPORTING LEVEL = 0.08 newdate = 04/02/16 REPORTING LEVEL = 0.08 newdate = 04/02/16 REPORTING LEVEL = 0.08 newdate = 03/17/16 REPORTING LEVEL = 0.08 newdate = 03/17/16 REPORTING LEVEL = 0.08 newdate = 03/04/16 REPORTING LEVEL = 0.08 newdate = 03/04/16 REPORTING LEVEL = 0.08 newdate = 02/18/16 REPORTING LEVEL = 0.08 newdate = 02/18/16 REPORTING LEVEL = 0.08 newdate = 02/05/16 REPORTING LEVEL = 0.08 newdate = 02/05/16 REPORTING LEVEL = 0.08 newdate = 01/27/16 REPORTING LEVEL = 0.08 Y = 0
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for 1,3-BUTADIENE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20160140041 Crescent 04EE008: 10 µl & NSI 050515AVOC: 10 µl 0.08 01/27/16 0.015 0
  20160630052 Accu 215041380: 15 µl & ERA 0406-15-03: 15 µl 0.08 03/04/16 0.037 0
  20161470002 Phenova B20160319: 15 µl & Supelco LC20141V: 15 µl 0.08 05/27/16 0.025 0
  20161820011 ChemService 5082900: 15 µl & Accu 216041125: 15 µl 0.08 06/30/16 0.032 0
  20162230172 ChemService 5082900: 25 µl & Phenova B20160319: 25 µl 0.08 08/12/16 0.044 0
  20162440115 Supelco LC20141V: 25 µl & Accu 216041125: 25 µl 0.08 09/08/16 0.053 0
  20162720209 ChemService 5082900: 25 µl & Accu 216041125: 25 µl 0.08 09/29/16 0.058 0
  20162990156 Supelco LC20141V: 15 µl & Phenova B20160319: 15 µl 0.08 10/29/16 0.023 0
  20163280006 ChemService 5082900: 15 µl & Phenova B20160319: 15 µl 0.08 11/29/16 0.075 0
  20163560023 Supelco LC20141V: 15 µl & Accu 216041125: 15 µl 0.08 12/24/16 0.064 0
  20170190022 ChemService 5082900: 40 µl & Accu 216041125: 40 µl 0.08 01/26/17 0.093 0

Updated 03/27/2018