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WWWAn w,ab=M 477-472-0711 • Billings, IMT`888-735-4489 • Casper1YY888-235-0515 <br />atAenSlow ;tasz X175:0 Rapid City, SD 888-672-1225 • College Station, TX t$8-610-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/15/11 <br />Project: Schwartz-SW 03/16/1 1 S25593-25600 Work Order: C11030585 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB-1061 <br />Sample ID: MB-GrAB-1061 6 Method Blank Run: G542M_110322A 03/24/11 00:17 <br />Gross Alpha -1.0 pCi/L U <br />Gross Alpha precision (±) 0.6 pCi/L <br />Gross Alpha MDC 1 pCi/L <br />Gross Beta -0.3 pCi/L U <br />Gross Beta precision (±) 1 pCi/L <br />Gross Beta MDC 2 pCi/L <br />Sample ID: Th230-GrAB-1061 Laboratory Control Sample Run: G542M_110322A 03/24/11 00:18 <br />Gross Alpha 109 pCi/L 107 80 120 <br />Sample ID: Cs137-GrAB-1061 Laboratory Control Sample Run: G542M_110322A 03/24/11 00:18 <br />Gross Beta 94.5 pCi/L 107 80 120 <br />Sample ID: C11030560-001 FMS Sample Matrix Spike Run: G542M_110322A 03/24/11 00:18 <br />Gross Alpha 110 pCi/L 103 70 130 <br />Sample ID: C11030560-001 FMSD Sample Matrix Spike Duplicate Run: G542M_110322A 03/24/11 00:18 <br />Gross Alpha 99 pCi/L 96 70 130 7.6 17.6 <br />Sample ID: 011030560-001 FMS Sample Matrix Spike Run: G542M_110322A 03/24/11 00:18 <br />Gross Beta 92 pCi/L 102 70 130 <br />Sample ID: C11030560-001FMSD Sample Matrix Spike Duplicate Run: G542M_110322A 03/24/11 00:18 <br />Gross Beta 90 pCi/L 100 70 130 1.9 15.9 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration U - Not detected at minimum detectable concentration <br />Page 26 of 39 <br />