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ENERGY <br />Client: Cotter Corporation <br />Project: Schwartz GW 8/19/11 S25917 <br />Method: E900.0 <br />Sample ID: MB -GrAB -1166 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />Sample ID: Th230 -GrAB -1166 <br />Gross Alpha <br />Sample ID: Cs137 -GrAB -1166 <br />Gross Beta <br />Sample ID: C11080342- 002ADUP <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />www.a eralab.com <br />Aa Endow act 1852 <br />6 Method Blank <br />-2.13 <br />0.815 <br />1.61 <br />1.14 <br />1.51 <br />2.50 <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />Laboratory Control Sample <br />105 pCi /L <br />Laboratory Control Sample <br />86.9 pCi /L <br />6 Sample Duplicate <br />9.89 pCi /L <br />3.33 pCi /L <br />4.69 pCi /L <br />23.4 pCi /L <br />2.15 pCi /L <br />2.94 pCi /L <br />Sample ID: 011081061- 001AMS Sample Matrix Spike <br />Gross Alpha 145 pCi /L <br />Helena, MT 877 - 472 - 0711 • Billings, MT 800 735 - 4489 • Casper, WY 888 - 235 - 0515 <br />Gillette, WY 886 - 886 - 7175 • Rapid City, SO 888 - 672 - 1225 • College Station, TX 888 - 690 - 2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Run: G542M_110915A <br />Run: G542M_110915A <br />105 80 120 <br />Run: G542M_110915A <br />98 80 120 <br />Run: G542M_110915A <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS and MSD are <br />acceptable the batch is approved. <br />Sample ID: C11081061- 001AMSD Sample Matrix Spike Duplicate <br />Gross Alpha 135 pCi /L <br />Sample ID: C11081061- 001AMS Sample Matrix Spike <br />Gross Beta 98.3 pCi /L <br />Sample ID: 011081061- 001AMSD Sample Matrix Spike Duplicate <br />Gross Beta 95.2 pCi /L <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 />Report Date: 09/25/11 <br />Work Order: 011080860 <br />Batch: GrAB -1166 <br />09/17/11 04:01 <br />U <br />U <br />09/17/11 04:01 <br />09/17/11 04:01 <br />09/17/11 04:01 <br />33 67.7 <br />5.9 28.9 <br />Run: G542M_110915A 09/18/11 20:06 <br />131 70 130 S <br />Run: G542M_110915A 09/18/11 20:06 <br />122 70 130 6.7 18.4 <br />Run: G542M_110915A 09/18/11 20:06 <br />103 70 130 <br />Run: G542M_110915A 09/18/11 20:06 <br />99 70 130 3.2 15.9 <br />Page 15 of 20 <br />