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www.ener&b.com ( Helena, hfi 871 -41Y -0711 •Billings, MT 600- 735 -4889 •Casper, WY 888 - 235 -1515 <br />Araly*WExak=Ria IM ) Gillette, WY 866 -686 -7175 • Rapid City, So 886- 672 -1225 - College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz SW 8/6/13 S27019 <br />Analyte <br />Count Result <br />Units <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1598 <br />Laboratory Control Sample <br />Gross Alpha <br />116 <br />pCi /L <br />Sample ID: Sr90 -GrAB -1598 <br />Laboratory Control Sample <br />Gross Beta <br />180 <br />pCi /L <br />Sample ID: MB -GrAB -1598 <br />6 Method Blank <br />Gross Alpha <br />0.9 <br />pCi /L <br />Gross Alpha precision ( ±) <br />0.6 <br />pCi /L <br />Gross Alpha MDC <br />0.9 <br />pCi /L <br />Gross Beta <br />-0.6 <br />pCi/L <br />Gross Beta precision ( ±) <br />1 <br />pCi /L <br />Gross Beta MDC <br />2 <br />pCi/L <br />Sample ID: C13080219- 002EDUP <br />6 Sample Duplicate <br />Gross Alpha <br />2.67 <br />pCi /L <br />Gross Alpha precision ( ±) <br />2.45 <br />pCi /L <br />Gross Alpha MDC <br />3.14 <br />pCi /L <br />Gross Beta <br />19.7 <br />pCi /L <br />Gross Beta precision ( ±) <br />3.11 <br />pCi /L <br />Gross Beta MDC <br />4.63 <br />pCi /L <br />Sample ID: C13080331- 001FMS <br />Sample Matrix Spike <br />Gross Alpha <br />115 <br />pCi /L <br />Sample ID: C13080331- 001FMSD <br />Sample Matrix Spike Duplicate <br />Gross Alpha <br />113 <br />pCi /L <br />Sample ID: C13080331 -001 FMS <br />Sample Matrix Spike <br />Gross Beta <br />198 <br />pCi /L <br />Sample ID: C13080331 -001 FMSD <br />Sample Matrix Spike <br />Duplicate <br />Gross Beta <br />196 <br />pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 09/05/13 <br />Work Order: C13080305 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: GrAB -1598 <br />Run TENNELEC- 3_130813B 08/23/1318:52 <br />110 80 120 <br />Run: TENNELEC- 3_130813B 08/23/13 18:52 <br />99 80 120 <br />Run: TENNELEC -3 1308138 08/23/13 18:52 <br />U <br />Run: TENNELEC- 3_130813B 08/23/13 18:52 <br />77 242.3 U <br />0.7 41.5 <br />Run: TENNELEC- 3_130813B 08/23/13 18:52 <br />82 70 130 <br />Run: TENNELEC- 3_130813B 08/24/13 08:06 <br />80 70 130 1.6 16.7 <br />Run: TENNELEC- 3_130813B 08/24/13 08:06 <br />106 70 130 <br />Run: TENNELEC- 3_130813B 08/24/13 08:06 <br />104 70 130 1.2 13.6 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 20 of 25 <br />