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WWW M&b.COM Helena, MT 877 - 472 -0711 • Billings, W 600 -735 -4489 • Casper, WY 888 - 235 -0515 <br />Gillette, WY 886 -886 -7175 a Rapid City, SO 886- 672 -1225 • College Station, TX 868- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />09/05/13 <br />Project: Schwartz SW 8/6/13 S27019 <br />Work Order: <br />013080305 <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Quall <br />Method: E900.0 <br />2 <br />pCi /L <br />Batch: GrAB -1598 <br />Sample ID: Th230 -GrAB -1598 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_130813B <br />08/23/13 18:52 <br />Gross Alpha <br />116 pCi /L <br />110 80 120 <br />Sample ID: Sr90 -GrAB -1598 <br />Laboratory Control Sample <br />Run: TENNELEC- 3_130813B <br />08/23/13 18:52 <br />Gross Beta <br />180 pCi /L <br />99 80 120 <br />Sample ID: MB -GrAB -1598 <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: C13080219- 002EDUP <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: C13080331- 001FMS <br />Gross Alpha <br />Sample ID: C13080331- 001FMSD <br />Gross Alpha <br />Sample ID: 013080331- 001FMS <br />Gross Beta <br />SamplelD: C13080331- 001FMSD <br />Gross Beta <br />6 Method Blank <br />0.9 <br />pCi /L <br />0.6 <br />pCi /L <br />0.9 <br />pCi /L <br />-0.6 <br />pCi /L <br />1 <br />pCi /L <br />2 <br />pCi /L <br />6 Sample Duplicate <br />2.67 pCi /L <br />2.45 pCi /L <br />3.14 pCi /L <br />19.7 pCi /L <br />3.11 pCi /L <br />4.63 pCi /L <br />Sample Matrix Spike <br />115 pCi /L <br />Sample Matrix Spike Duplicate <br />113 pCi /L <br />Sample Matrix Spike <br />198 pCi /L <br />Sample Matrix Spike Duplicate <br />196 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: TENNELEC- 3_130813B <br />Run: TENNELEC- 3_130813B <br />08/23/13 18:52 <br />U <br />08/23/13 18:52 <br />77 242.3 U <br />0.7 41.5 <br />Run: TENNELEC- 3_130813B <br />82 70 130 <br />Run: TENNELEC- 3_130813B <br />80 70 130 1.6 <br />Run: TENNELEC- 3_130813B <br />106 70 130 <br />Run- TENNELEC- 3_130813B <br />104 70 130 1.2 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />08/23/13 18:52 <br />08/24/13 08:06 <br />16.7 <br />08/24/13 08:06 <br />08/24/13 08:06 <br />13.6 <br />Page 20 of 25 <br />