Organic Blind Sample Program
False Positives & False Negatives
TERT-BUTYL_METHYL_ETHER_(MTBE)
Method: 4440 Testid: 78032GCM66
Link to Individual Chart

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newdate = 06/17/17 falsepos = 0.028 newdate = 04/03/17 falsepos = 0.031 newdate = 02/09/17 falsepos = 0.044 newdate = 12/12/16 falsepos = 0.049 newdate = 07/14/16 falsepos = 0.074 newdate = 07/14/17 CENC_VAL = 0.269 newdate = 06/09/17 CENC_VAL = 0.392 newdate = 06/02/17 CENC_VAL = 0.240 newdate = 05/17/17 CENC_VAL = 0.428 newdate = 04/21/17 CENC_VAL = 0.431 newdate = 03/16/17 CENC_VAL = 0.689 newdate = 02/24/17 CENC_VAL = 0.421 newdate = 02/09/17 CENC_VAL = 0.257 newdate = 01/26/17 CENC_VAL = 0.720 newdate = 01/13/17 CENC_VAL = 0.246 newdate = 12/24/16 CENC_VAL = 0.264 newdate = 12/16/16 CENC_VAL = 0.664 newdate = 11/29/16 CENC_VAL = 0.268 newdate = 11/21/16 CENC_VAL = 0.417 newdate = 10/29/16 CENC_VAL = 0.239 newdate = 10/13/16 CENC_VAL = 0.301 newdate = 09/29/16 CENC_VAL = 0.426 newdate = 09/28/16 CENC_VAL = 0.262 newdate = 09/08/16 CENC_VAL = 0.424 newdate = 08/31/16 CENC_VAL = 0.407 newdate = 08/12/16 CENC_VAL = 0.443 newdate = 08/04/16 CENC_VAL = 0.574 newdate = 07/20/16 CENC_VAL = 0.683 newdate = 07/20/16 CENC_VAL = 0.419 newdate = 06/30/16 CENC_VAL = 0.440 newdate = 06/30/16 CENC_VAL = 0.289 newdate = 06/10/16 CENC_VAL = 0.238 newdate = 05/27/16 CENC_VAL = 0.258 newdate = 05/13/16 CENC_VAL = 0.153 newdate = 04/02/16 CENC_VAL = 0.224 newdate = 03/04/16 CENC_VAL = 0.215 newdate = 02/18/16 CENC_VAL = 0.141 newdate = 01/27/16 CENC_VAL = 0.135 newdate = 07/14/17 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 = 06/02/17 REPORTING LEVEL = 0.1 newdate = 06/02/17 REPORTING LEVEL = 0.1 newdate = 05/17/17 REPORTING LEVEL = 0.1 newdate = 05/17/17 REPORTING LEVEL = 0.1 newdate = 04/21/17 REPORTING LEVEL = 0.1 newdate = 04/21/17 REPORTING LEVEL = 0.1 newdate = 04/03/17 REPORTING LEVEL = 0.1 newdate = 04/03/17 REPORTING LEVEL = 0.1 newdate = 03/16/17 REPORTING LEVEL = 0.1 newdate = 03/16/17 REPORTING LEVEL = 0.1 newdate = 02/24/17 REPORTING LEVEL = 0.1 newdate = 02/24/17 REPORTING LEVEL = 0.1 newdate = 02/09/17 REPORTING LEVEL = 0.1 newdate = 02/09/17 REPORTING LEVEL = 0.1 newdate = 02/09/17 REPORTING LEVEL = 0.1 newdate = 02/09/17 REPORTING LEVEL = 0.1 newdate = 01/26/17 REPORTING LEVEL = 0.1 newdate = 01/26/17 REPORTING LEVEL = 0.1 newdate = 01/13/17 REPORTING LEVEL = 0.1 newdate = 01/13/17 REPORTING LEVEL = 0.1 newdate = 12/24/16 REPORTING LEVEL = 0.1 newdate = 12/24/16 REPORTING LEVEL = 0.1 newdate = 12/16/16 REPORTING LEVEL = 0.1 newdate = 12/16/16 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 = 11/21/16 REPORTING LEVEL = 0.1 newdate = 11/21/16 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 = 09/28/16 REPORTING LEVEL = 0.1 newdate = 09/28/16 REPORTING LEVEL = 0.1 newdate = 09/08/16 REPORTING LEVEL = 0.1 newdate = 09/08/16 REPORTING LEVEL = 0.1 newdate = 08/31/16 REPORTING LEVEL = 0.1 newdate = 08/31/16 REPORTING LEVEL = 0.1 newdate = 08/12/16 REPORTING LEVEL = 0.1 newdate = 08/12/16 REPORTING LEVEL = 0.1 newdate = 08/04/16 REPORTING LEVEL = 0.1 newdate = 08/04/16 REPORTING LEVEL = 0.1 newdate = 07/20/16 REPORTING LEVEL = 0.1 newdate = 07/20/16 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 = 06/30/16 REPORTING LEVEL = 0.1 newdate = 06/30/16 REPORTING LEVEL = 0.1 newdate = 06/30/16 REPORTING LEVEL = 0.1 newdate = 06/30/16 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 = 05/13/16 REPORTING LEVEL = 0.1 newdate = 05/13/16 REPORTING LEVEL = 0.1 newdate = 04/02/16 REPORTING LEVEL = 0.1 newdate = 04/02/16 REPORTING LEVEL = 0.1 newdate = 03/04/16 REPORTING LEVEL = 0.1 newdate = 03/04/16 REPORTING LEVEL = 0.1 newdate = 02/18/16 REPORTING LEVEL = 0.1 newdate = 02/18/16 REPORTING LEVEL = 0.1 newdate = 01/27/16 REPORTING LEVEL = 0.1 Y = 0
The SGPlot Procedure

Updated 03/27/2018

False Positive & Negative Listing for TERT-BUTYL_METHYL_ETHER_(MTBE)

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20161880113 Accu 216041125: 40 µl & NSI 041816AVOC: 40 µl 0.1 07/14/16 0.074 0
  20163420128 Accu 216041125: 40 µl & Crescent 03FF058: 40 µl 0.1 12/12/16 0.049 0
  20170320042 Accu 216041125: 25 µl & NSI 041816AVOC: 25 µl 0.1 02/09/17 0.044 0
  20170880080 Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 0.1 04/03/17 0.031 0
  20171660003 Accu 216041125: 25 µl & Crescent 03FF058: 25 µl 0.1 06/17/17 0.028 0

Updated 03/27/2018