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• www.e wm4ab.com Helena, MT 871472 -0711 • Billings, W 808- 735 -4469 • Casper, WY 888 - 235 -0515 <br />kI 'AV Gillette, WY 866 -666 -7115 • Rapid City, SO 888- 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 GW 12/23/13 S27306 <br />Analyte <br />Count Result <br />Units <br />Method: E900.0 <br />70 130 <br />Sample ID: Th230 -GrAB -1684 <br />Laboratory Control Sample <br />Gross Alpha <br />114 <br />pCi /L <br />Sample ID: Sr90- GrAB -1684 <br />Laboratory Control Sample <br />Gross Beta <br />162 <br />pCi /L <br />Sample ID: MB- GrAB -1684 <br />6 Method Blank <br />Gross Alpha <br />0.9 <br />pCi /L <br />Gross Alpha precision ( ±) <br />0.8 <br />pCi /L <br />Gross Alpha MDC <br />1 <br />pCi /L <br />Gross Beta <br />-0.2 <br />pCi /L <br />Gross Beta precision ( ±) <br />2 <br />pCi /L <br />Gross Beta MDC <br />3 <br />pCi /L <br />Sample ID: C13120843- 001DDUP <br />6 Sample Duplicate <br />Gross Alpha <br />687 <br />pCi /L <br />Gross Alpha precision ( ±) <br />26.6 <br />pCi /L <br />Gross Alpha MDC <br />15.0 <br />pCi /L <br />Gross Beta <br />131 <br />pCi /L <br />Gross Beta precision ( ±) <br />15.3 <br />pCi /L <br />Gross Beta MDC <br />19.8 <br />pCi /L <br />Sample ID: C14010731- 003AMS <br />Sample Matrix Spike <br />Gross Alpha <br />163 <br />pCi /L <br />Sample ID: C14010731- 003AMSD <br />Sample Matrix Spike Duplicate <br />Gross Alpha <br />147 <br />pCi /L <br />Sample ID: C14010731- 003AMS <br />Sample Matrix Spike <br />Gross Beta <br />185 <br />pCi /L <br />Sample ID: C14010731- 003AMSD <br />Sample Matrix Spike Duplicate <br />Gross Beta <br />189 <br />pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 02/03/14 <br />Work Order: C13120854 <br />RL 0/6REC Low Limit High Limit RPD RPDLimit Qua[ <br />Batch: GrAB -1684 <br />Run: G542M_140129A 01/30/14 13:24 <br />99 80 120 <br />Run: G542M_140129A 01/30/14 13:24 <br />91 80 120 <br />Run: G5421VI_140129A 01/30/14 13:24 <br />U <br />U <br />Run: G542M_140129A 01/30/14 13:24 <br />3.3 17.7 <br />2.3 33.4 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 23 of 31 <br />Run: G542M_140129A <br />01/30/14 13:24 <br />109 <br />70 130 <br />Run: G542M_140129A <br />01/30/14 13:24 <br />94 <br />70 130 <br />11 16.7 <br />Run: G5421VI_140129A <br />01/30/14 13:24 <br />100 <br />70 130 <br />Run: G542M_140129A <br />01/30/14 13:24 <br />102 <br />70 130 <br />2.1 14.3 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 23 of 31 <br />