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ENERGY <br />_ A lORATORIFS <br />www.energylati.com <br />Am atErceliraclato <br />Client: Cotter Corporation <br />Project: Schwartz GW 6/30/11 S25825 <br />Analyte Count Result Units <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 <br />Sample ID: MB -GrAB -1121 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />6 Method Blank <br />-0.670 <br />0.801 <br />1.43 <br />-0.407 <br />1.49 <br />2.51 <br />Sample ID: Th230 -GrAB -1121 Laboratory Control Sample <br />Gross Alpha 96.5 pCi /L <br />Sample ID: Cs137 -GrAB -1121 Laboratory Control Sample <br />Gross Beta 79.0 pCi /L <br />Sample ID: C11070227- 003ADUP 3 Sample Duplicate <br />Gross Alpha -3.98 pCi /L <br />Gross Alpha precision ( ±) 2.43 pCi /L <br />Gross Alpha MDC 4.57 pCi /L <br />Sample ID: C11070277- 004AMS Sample Matrix Spike <br />Gross Alpha 139 pCi /L <br />Sample ID: 011070277- 004AMS Sample Matrix Spike <br />Gross Beta 93.9 pCi /L <br />Sample ID: C11070277- 004AMSD Sample Matrix Spike Duplicate <br />Gross Beta 85.2 pCi /L <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />Helena, MT 677 - 472 -0711 • Billings, MT 800.735- 4489 Casper, WY 888 - 235 -0515 <br />Gillette, WY 886 -688 -7175 • Rapid City, SD 888 -872 -1225 • College Station, TX 888- 690 -2218 <br />Run: G5000W_110715A <br />Run: G5000W_110715A <br />95 80 120 <br />Run: G5000W_110715A <br />91 80 120 <br />Run: G5000W_110715A <br />Report Date: 08/01/11 <br />Work Order: C11070080 <br />Batch: GrAB -1121 <br />07/20/11 20:31 <br />U <br />U <br />07/20/11 20:31 <br />07/21/11 08:37 <br />07/21/11 08:37 <br />120 185.3 U <br />Run: G5000W_110715A 07/22/11 03:47 <br />132 70 130 S <br />- Spike response is outside of the acceptance 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 />Sample ID: 011070277- 004AMSD Sample Matrix Spike Duplicate 07/22/11 23:52 <br />Gross Alpha 157 pCi /L 12 17 S <br />Run: G5000W_110715A <br />149 70 130 <br />Run: G5000W_110715A <br />105 70 130 <br />Run: G5000W_110715A <br />95 70 130 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />9.7 <br />Page 16 of 21 <br />07/22/11 23:52 <br />07/22/11 23:52 <br />16.2 <br />