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www.energylab.com Helena, MT 877- 472 -0711 - Billings, W 600 - 735 -4489 - Casper, WY 888- 235 -8515 <br />�J°0p'' ysi Gillette, WY 866 - 086 -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: 08/20/13 <br />Project: Schwartz GW 07/17/13 S27046 - S27047 Work Order: 013070682 <br />Analyte Count Result Units RL ° /GREC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB -1600 <br />Sample ID: Th230 -GrAB -1600 Laboratory Control Sample Run: G542M_130815A 08/19/13 17:24 <br />Gross Alpha 106 pCi /L 101 80 120 <br />Sample ID: Sr90 -GrAB -1600 <br />Gross Beta <br />Sample ID: MB- GrAB -1600 <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 />Sample Matrix Spike <br />0.4 <br />pCi /L <br />0.7 <br />pCi /L <br />1 <br />pCi /L <br />0.2 <br />pCi /L <br />1 <br />pCi /L <br />2 <br />pCi /L <br />Run: G542M_130815A <br />94 80 120 <br />Run: G542M_130815A <br />08/19/13 17:24 <br />08/19/13 17:24 <br />U <br />A <br />Sample ID: C13070335- 001DMS <br />Sample Matrix Spike <br />Run: G542M_130815A <br />08/19/13 17:24 <br />Gross Alpha <br />73.7 pCi /L <br />59 70 130 <br />S <br />- Spike response is outside of the acceptance <br />range for this analysis Since the LCS and the RPD for the MS MSD pair are acceptable, the response is considered to be <br />matrix related The batch is approved. <br />pCi /L <br />2.55 <br />pCi /L <br />Sample ID: C13070335 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130815A <br />08/19/13 17:24 <br />Gross Alpha <br />82.4 pCi /L <br />67 70 130 <br />11 17.3 S <br />- Spike response is outside of the acceptance <br />range for this analysis. Since the LCS and the RPD for the MS MSD pair are acceptable, the <br />response is considered to be <br />matrix related. The batch is approved. <br />Sample ID: C13070335- 001DMS <br />Sample Matrix Spike <br />Run: G542M_130815A <br />08/19/13 17:24 <br />Gross Beta <br />184 pCi /L <br />97 70 130 <br />Sample ID: C13070335 -001 DMSD Sample Matrix Spike Duplicate <br />Gross Beta 187 pCi /L <br />Sample ID: C13070682 -001 FDUP <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />6 Sample Duplicate <br />36.7 <br />pCi /L <br />2.28 <br />pCi /L <br />1.85 <br />pCi /L <br />13.9 <br />pCi /L <br />1.82 <br />pCi /L <br />2.55 <br />pCi /L <br />Run: G542M_130815A 08/19/13 17:24 <br />99 70 130 1.9 13.9 <br />Run: G542M_130815A 08/19/13 17:24 <br />4.2 22.6 <br />2.8 36.3 <br />Sample ID: C13070682- 002FDUP 6 Sample Duplicate Run: G542M_130815A 08/19/13 17:24 <br />Gross Alpha 201 pCi /L 26 14.7 R <br />Gross Alpha precision ( ±) 5.10 pCi /L <br />Gross Alpha MDC 1.94 pCi /L <br />Gross Beta 40.0 pCi /L 1.3 22.4 <br />Gross Beta precision ( ±) 2.42 pCi /L <br />Gross Beta MDC 2.63 pCi /L <br />Duplicate RPD is outside of the acceptance range for this analysis indicating a possible low precision for the batch. The sample associated with this Duplicate has been <br />reanalyzed and the results for the reanalysis are shown on the Analytical Report for that sample <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />S - Spike recovery outside of advisory limits. <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />U - Not detected at minimum detectable concentration <br />Page 19 of 24 <br />