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- www.enerBlab.com Helena, MT 877 -472 -0711 • Billings, W 000- 735 -4469 • Casper, WY 888 - 235 -0515 <br />AaaWWEsab=Skw IJV Gillette, WY 866 -686 -7175 • Rapid City, SD 886 - 672 -1225 • College Station, TX 888-690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/14/13 <br />Project: Schwartz GW 9/19/13 S27162 Work Order: C13090821 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual] <br />Method: E900.0 Batch: GrAB -1631 <br />Sample ID: Th230 -GrAB -1631 Laboratory Control Sample Run: G5000W_130928A 09/30/13 18:55 <br />Gross Alpha 111 pCi /L 107 80 120 <br />Sample ID: Sr90 -GrAB -1631 <br />Gross Beta <br />Sample ID: MB -GrAB -1631 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />Laboratory Control Sample <br />171 pCi /L <br />6 Method Blank <br />-1 pCi /L <br />0.7 pCi /L <br />1 pCi /L <br />-1 pCi /L <br />2 pCi /L <br />3 pCi /L <br />Sample ID: C13090821- 001GDUP 6 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />Sample Duplicate <br />4260 <br />pCi /L <br />41.0 <br />pCi /L <br />5.58 <br />pCi /L <br />431 <br />pCi /L <br />13.6 <br />pCi /L <br />8.55 <br />pCi /L <br />Run: G5000W_130928A <br />95 80 120 <br />Run: G5000W_130928A <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />09/30/13 18:55 <br />u <br />U <br />09/30/13 18:55 <br />0.1 11.9 <br />3.5 16.3 <br />Sample ID: C13090842 -001 DMS <br />Sample Matrix Spike <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />80.3 pCi /L <br />50 70 130 <br />S <br />- Spike response is outside of the acceptance range for this analysis Since the LCS and <br />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: C13090842 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Alpha <br />86.9 pCi /L <br />55 70 130 <br />8.0 20.4 S <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS and <br />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: C13090842 -001 DMS <br />Sample Matrix Spike <br />Run: G5000W_130928A <br />09/30/13 18:55 <br />Gross Beta <br />226 pCi /L <br />100 70 130 <br />Sample ID: 013090842 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run G5000W_130928A <br />09/30/13 18:55 <br />Gross Beta <br />221 pCi /L <br />97 70 130 <br />2.2 14 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 17 of 21 <br />