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kq <br />• WWw -ene 03ti.com Helena, MT 877- 472 -0711 • Billings, MT 808- 735 -4489 • Casper, WY 888- 235 -0515 <br />Alin /fr aSkim IM Gillette, WY 866 -606 -7175 • 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 Report Date: 07/08/13 <br />Project: Schwartz GW 6/6/2013 S26941 Work Order: C13060270 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB -1562 <br />Sample ID: Th230 -GrAB -1562 Laboratory Control Sample Run: G5421VI_130621 A 06/24/13 19:14 <br />Gross Alpha 113 pCi /L 107 80 120 <br />Sample ID: Sr90 -GrAB -1562 Laboratory Control Sample Run: G542M_130621 A 06/24/13 19:14 <br />Gross Beta 166 pCi /L 91 80 120 <br />Sample ID: MB -GrAB -1562 <br />6 Method Blank <br />Run G542M_130621A <br />06/24/13 19:14 <br />Gross Alpha <br />0.4 pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.7 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-0.2 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13060247- 004EMS <br />Sample Matrix Spike <br />Run. G542M_130621 A <br />06/24/13 19:15 <br />Gross Alpha <br />150 pCi /L <br />104 70 130 <br />Sample ID: C13060247- 004EMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130621A <br />06/24/13 19:15 <br />Gross Alpha <br />186 pCi /L <br />138 70 130 <br />21 15.2 SR <br />- Spike response is outside of the acceptance range for this analysis. Since the LCS, MS, <br />and RPD for the Duphate are acceptable the batch is approved <br />Sample ID: C13060247- 004EMS <br />Sample Matrix Spike <br />Run: G542M_130621 A <br />06/24/13 19:15 <br />Gross Beta <br />217 pCi /L <br />114 70 130 <br />Sample ID: C13060247- 004EMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130621 A <br />06/24/13 19:15 <br />Gross Beta <br />202 pCi /L <br />105 70 130 <br />7.5 13.8 <br />Sample ID: C13060286- 002EDUP <br />6 Sample Duplicate <br />Run: G542M_130621A <br />06/24/13 19:15 <br />Gross Alpha <br />2.02 pCi /L <br />2.5 272.1 U <br />Gross Alpha precision ( ±) <br />2.72 pCi /L <br />Gross Alpha MDC <br />4.41 pCi /L <br />Gross Beta <br />11.9 pCi /L <br />19 67.1 <br />Gross Beta precision ( ±) <br />3.71 pCi /L <br />Gross Beta MDC <br />5.86 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />S - Spike recovery outside of advisory limits. <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />U - Not detected at minimum detectable concentration <br />Page 17 of 21 <br />