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www.wwalab.com j Helena, MT 877 - 472 -0711 • Billings, MT 808- 735 -4489 • Casper, WY 888- 235 -8515 <br />M6" Ensillame Am test JI Gillette, W 886486 -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 5/16/13 S26979 <br />Analyte Count Result <br />Units RL <br />Revised Date: 06/18/13 <br />Report Date: 06/13/13 <br />Work Order: C13050681 <br />%REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1542 <br />Sample ID: Th230 -GrAB -1542 <br />Laboratory Control Sample <br />Run. G542M_130603A <br />06/04/13 17:36 <br />Gross Alpha <br />119 <br />pCi /L <br />113 80 120 <br />Sample ID: Sr90 -GrAB -1542 <br />Laboratory Control Sample <br />Run: G542M_130603A <br />06/04/13 17:36 <br />Gross Beta <br />172 <br />pCi /L <br />95 80 120 <br />Sample ID: MB -GrAB -1542 6 <br />Method Blank <br />Run: G542M_130603A <br />06/04/13 17:36 <br />Gross Alpha <br />0.2 <br />pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.7 <br />pCi /L <br />Gross Alpha MDC <br />1 <br />pCi /L <br />Gross Beta <br />-0.4 <br />pCNL <br />U <br />Gross Beta precision ( ±) <br />1 <br />pCi /L <br />Gross Beta MDC <br />2 <br />pCi /L <br />Sample ID: C13051013- 004CDUP 6 <br />Sample Duplicate <br />Run: G542M_130603A <br />06/04/13 17:36 <br />Gross Alpha <br />75.4 <br />pCi /L <br />18 <br />21.9 <br />Gross Alpha precision ( ±) <br />4.78 <br />pCi /L <br />Gross Alpha MDC <br />3.52 <br />pCi /L <br />Gross Beta <br />40.8 <br />pCi /L <br />7.2 <br />28.9 <br />Gross Beta precision ( ±) <br />3.88 <br />pCi /L <br />Gross Beta MDC <br />5.20 <br />pCi /L <br />Sample ID: C13050747- 005IMS <br />Gross Alpha <br />Sample ID: C13050747- 005IMSD <br />Gross Alpha <br />Sample ID: C13050747- 005IMS <br />Gross Beta <br />Sample ID: C13050747- 005IMSD <br />Gross Beta <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Sample Matrix Spike <br />125 pCi /L <br />Sample Matrix Spike Duplicate <br />139 pCi /L <br />Sample Matrix Spike <br />183 pCi /L <br />Sample Matrix Spike Duplicate <br />215 pCi /L <br />Run: G542M_130603A 06/05/13 07:42 <br />117 70 130 <br />Run: G542M_130603A 06/05/13 07:42 <br />130 70 130 11 15 <br />Run: G542M_130603A 06/05/13 07:42 <br />100 70 130 <br />Run: G542M_130603A 06/05/13 07:42 <br />117 70 130 16 20 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 20 of 25 <br />