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ENERGY <br />AAC)RATC)RI <br />Method: E900.0 <br />Sample ID: MB -GrAB -1115 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />www.energylsh.com <br />Amiga Etna= Om1952 J I <br />Client: Cotter Corporation <br />Project: Schwartz GW 6/23/11 S25850 <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />6 Method Blank <br />-2 pCi /L <br />0.8 pCi /L <br />1 pCi /L <br />-2 pCi /L <br />1 pCi /L <br />2 pCi /L <br />Helene, MT 877 - 472 - 0711 • Billings, MT 800 - 735 - 4489 • Casper, WY 888 - 235 - 0515 <br />Gillette, WY 888.888 - 7175 • Rapid City, SD 888 - 872 - 1225 • College Station, TX 888 - 880 - 2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Run: G5000W_110708A <br />Report Date: 07/22/11 <br />Work Order: C11061003 <br />Batch: GrAB -1115 <br />07/15/11 00:30 <br />U <br />U <br />Sample ID: Th230 -GrAB -1115 Laboratory Control Sample Run: G5000W_110708A 07/15/11 00:30 <br />Gross Alpha 94.1 pCi /L 94 80 120 <br />Sample ID: Cs137 -GrAB -1115 Laboratory Control Sample Run: G5000W_110708A 07/15/11 00:30 <br />Gross Beta 88.4 pCi /L 103 80 120 <br />Sample ID: C11060812- 002IMS Sample Matrix Spike Run: G5000W_110708A 07/15/11 12:37 <br />Gross Alpha 126 pCi /L 121 70 130 <br />Sample ID: 01 1 06081 2- 002IMSD Sample Matrix Spike Duplicate Run: G5000W_110708A 07/15/11 12:37 <br />Gross Alpha 116 pCi /L 111 70 130 8.9 17.2 <br />Sample ID: C11060812- 002IMS Sample Matrix Spike Run: G5000W_110708A 07/15/11 12:37 <br />Gross Beta 94.5 pCi /L 106 70 130 <br />Sample ID: C11060812- 002IMSD Sample Matrix Spike Duplicate Run: G5000W_110708A 07/15/11 12:37 <br />Gross Beta 94.4 pCi /L 106 70 130 0.1 15.8 <br />Sample ID: 011061003- 001FDUP 6 Sample Duplicate Run: G5000W_110708A 07/16/11 02:51 <br />Gross Alpha 2930 pCi /L 4.2 12.3 <br />Gross Alpha precision ( ±) 33.9 pCi /L <br />Gross Alpha MDC 5.12 pCi /L <br />Gross Beta 795 pCi /L 1.5 12.3 <br />Gross Beta precision ( ±) 9.16 pCi /L <br />Gross Beta MDC 4.35 pCi /L <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 16 of 21 <br />