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w+rweoer?tlab.cflm A i2-0711 * Blllings, NT 800-735-4119 • Casper, WY 888-235-0515 <br />;tlsi -Aipid City, SD 888-612-1225 • College Station, TX $68-610-2215 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/03/11 <br />Project: Schwartz SW 01-05-11 S25539 Work Order: C11010185 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB-1028 <br />Sample ID: MB-GrAB-1028 6 Method Blank Run: G5000W_110112A 01/14/11 22:33 <br />Gross Alpha -0.3 pCi/L U <br />Gross Alpha precision (±) 0.7 pCi/L <br />Gross Alpha MDC 0.8 pCi/L <br />Gross Beta -0.7 pCi/L U <br />Gross Beta precision (±) 1 pCi/L <br />Gross Beta MDC 1 pCi/L <br />Sample ID: Th230-GrAB-1028 Laboratory Control Sample Run: G5000W_110112A 01/14/11 22:33 <br />Gross Alpha 89 pCi/L 88 70 130 <br />Sample ID: Cs137-GrAB-1028 Laboratory Control Sample Run: G5000W_110112A 01/14/11 22:33 <br />Gross Beta 86 pCi/L 98 70 130 <br />Sample ID: C11010066-001FDUP 6 Sample Duplicate Run: G5000W_110112A 01/14/11 22:33 <br />Gross Alpha 2000 pCi/L 14 20 <br />Gross Alpha precision (±) 27.8 pCi/L <br />Gross Alpha MDC 4.40 pCi/L <br />Gross Beta 476 pCi/L 1.0 12.9 <br />Gross Beta precision (±) 6.91 pCi/L <br />Gross Beta MDC 3.96 pCi/L <br />Sample ID: C11010185-001FMS Sample Matrix Spike Run: G5000W_110112A 01/15/11 10:40 <br />Gross Alpha 104 pCi/L 101 70 130 <br />Sample ID: C1 1010185-001 FMSD Sample Matrix Spike Duplicate Run: G5000W_110112A 01/15/11 10:40 <br />Gross Alpha 109 pCi/L 106 70 130 4.3 18 <br />Sample ID: 011010185-001FMS Sample Matrix Spike Run: G5000W_110112A 01/15/11 10:40 <br />Gross Beta 92.6 pCi/L 102 70 130 <br />Sample ID: C11010185-001FMSD Sample Matrix Spike Duplicate Run: G5000W_110112A 01/15/11 10:40 <br />Gross Beta 86.9 pCi/L 96 70 130 6.3 16 <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 18 of 24 <br />