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www.enerlylob.com Helena, MT 877 -472 -0711 a Billings, MT 600- 735 -4489 a Casper, WY 888- 235 -0515 <br />'t Gillette, WY 866 -666 -7175 a Rapid City, SO 88B- 672 -1225 a College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 07/16/13 <br />Project: Schwartz GW 6/23/13 S26948 Work Order: 013060891 <br />FAnalyte Count Result Units RL ° /diEC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB -1568 <br />Sample ID: Th230 -GrAB -1568 Laboratory Control Sample Run: G5000W_130629A 07/03/13 20:25 <br />Gross Alpha 107 pCi /L 103 80 120 <br />Sample ID: MB- GrAB -1568 <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: C13060672- 001FDUP <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: 013060772- 005FMS <br />Gross Beta <br />Sample ID: C13060772- 005FMSD <br />Gross Beta <br />6 Method Blank Run: G5000W_130629A 07/03/13 20:25 <br />-0.9 pCi /L U <br />0.7 pCi /L <br />1 pCi /L <br />-1 pCi /L U <br />2 pCi /L <br />3 pCi /L <br />6 Sample Duplicate Run: G5000W_130629A 07/03/13 20:25 <br />1510 pCi /L 1.3 12.4 <br />179 pCi /L <br />3.41 pCi /L <br />372 pCi /L 04 14.2 <br />7.93 pCi /L <br />4.98 pCi /L <br />Sample Matrix Spike Run: G5000W_130629A 07/04/13 09:09 <br />194 pCi /L 96 70 130 <br />Sample Matrix Spike Duplicate Run: G5000W_130629A 07/04/13 09:10 <br />193 pCi /L 96 70 130 0.3 13.9 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 16 of 20 <br />