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• www.emdab.com Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />- a tmraEndleiiiimsac.1952 Gillette, ANY 866 -666 -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 <br />Report Date: <br />06/27/13 <br />Project: Schwartz SW 5/21/13 S26991 - S26995 <br />Work Order: <br />013050860 <br />Analyte Count Result Units <br />RL %REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1547 <br />Sample ID: Th230 -GrAB -1547 <br />Laboratory Control Sample <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Alpha <br />105 pCi /L <br />99 <br />80 120 <br />Sample ID: Sr90 -GrAB -1547 <br />Laboratory Control Sample <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Beta <br />176 pCi /L <br />97 <br />80 120 <br />Sample ID: MB- GrAB -1547 <br />6 Method Blank <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Alpha <br />0.7 pCi /L <br />U <br />Gross Alpha precision ( ±) <br />07 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-0.5 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13050841- 008DMS <br />Sample Matrix Spike <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Alpha <br />533 pCi /L <br />21 <br />70 130 <br />S <br />- Sample activity for this radionuclide is much larger than the spike activity added. Therefore the matrix spike recovery could not be calculated. The <br />LCS and the RPD of the <br />MS /MSD pair are acceptable; this batch <br />is approved. <br />Sample ID: C13050841- 008DMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Alpha <br />636 pCi /L <br />119 <br />70 130 18 <br />20 <br />Sample ID: C13050841- 008DMS <br />Sample Matrix Spike <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Beta <br />339 pCi /L <br />91 <br />70 130 <br />Sample ID: C13050841- 008DMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130606A <br />06/10/13 18:09 <br />Gross Beta <br />340 pCi /L <br />91 <br />70 130 0.4 <br />12.9 <br />Sample ID: C13050897- 002ADUP <br />6 Sample Duplicate <br />Run: G542M_130606A <br />06/11/13 08:52 <br />Gross Alpha <br />5.25 pCi /L <br />0.4 <br />98.9 <br />Gross Alpha precision ( ±) <br />2.36 pCi /L <br />Gross Alpha MDC <br />3.56 pCi /L <br />Gross Beta <br />5.78 pCi /L <br />37 <br />117.8 <br />Gross Beta precision ( ±) <br />2.65 pCi /L <br />Gross Beta MDC <br />4.26 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. <br />U - Not detected at minimum detectable concentration <br />Page 23 of 31 <br />