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• www.cner&b.com Helena, MT 877472 -0711 - Billings, MT 800- 735 -4489 - Casper, WY 888- 235 -1515 <br />Gillette, WY 866-686 -1175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />10/15/13 <br />Schwartz SW 9/10/13 S27157 <br />Work Order: <br />013090392 <br />rProject: <br />Analyte <br />Count Result Units <br />RL ° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch GrAB -1638 <br />Sample ID: Th230 -GrAB -1638 <br />Laboratory Control Sample <br />Run: G542M_131009A <br />10/10/13 19:00 <br />Gross Alpha <br />125 pCi /L <br />118 <br />80 120 <br />Sample ID: Sr90- GrAB -1638 <br />Laboratory Control Sample <br />Run: G542M_131009A <br />10/10/13 19:00 <br />Gross Beta <br />165 pCi /L <br />91 <br />80 120 <br />Sample ID: MB -GrAB -1638 <br />6 Method Blank <br />Run: G542M_131009A <br />10/10/13 19:00 <br />Gross Alpha <br />1 pCi /L <br />Gross Alpha precision ( ±) <br />0.7 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />1.0 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13090392- 001HDUP <br />6 Sample Duplicate <br />Run: G542M_131009A <br />10/10/13 19:00 <br />Gross Alpha <br />13.6 pCi /L <br />8.3 <br />34.4 <br />Gross Alpha precision ( ±) <br />1 62 pCi /L <br />Gross Alpha MDC <br />1.85 pCi /L <br />Gross Beta <br />6.90 pCi /L <br />6.2 <br />59.8 <br />Gross Beta precision ( ±) <br />1.63 pCi /L <br />Gross Beta MDC <br />2.49 pCi /L <br />Sample ID: C13090980- 009EDUP <br />6 Sample Duplicate <br />Run: G542M_131009A <br />10/11/13 08:31 <br />Gross Alpha <br />214 pCi /L <br />16 <br />18.7 <br />Gross Alpha precision ( ±) <br />9.19 pCi /L <br />Gross Alpha MDC <br />6.50 pCi /L <br />Gross Beta <br />58.1 pCi /L <br />6.3 <br />26.8 <br />Gross Beta precision ( ±) <br />4.78 pCi /L <br />Gross Beta MDC <br />6.08 pCi /L <br />Sample ID: C13100065- 001DMS <br />Sample Matrix Spike <br />Run: G542M_131009A <br />10/11/13 08:31 <br />Gross Alpha <br />75.6 pCi /L <br />57 <br />70 130 <br />S <br />- Spike response is outside of the acceptance range for this analysis Since the LCS <br />and the RPD for the MS MSD pair are acceptable, the response is considered to be <br />matrix related The batch is approved <br />Sample ID: C13100065- 001DMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_131009A <br />10/11/13 08:31 <br />Gross Alpha <br />843 pCi /L <br />66 <br />70 130 11 <br />17.1 S <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS <br />and the RPD for the MS MSD pair are acceptable, the response is considered to be <br />matrix related. The batch is approved. <br />Sample ID: C13100065- 001DMS <br />Sample Matrix Spike <br />Run: G542M_131009A <br />10/11/13 08:31 <br />Gross Beta <br />187 pCi /L <br />101 <br />70 130 <br />Sample ID: C13100065 -001 DMSD Sample Matrix Spike Duplicate <br />Gross Beta 172 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />Run: G542M_131009A 10/11/13 08:31 <br />92 70 130 8.7 14 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 21 of 26 <br />