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• C0 www.mgylab.com ( Helena, MT 811 -472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 088- 235 -0515 <br />r ilu#ftIEaeal=wSAm, IW J 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 />Report Date: <br />06/18/13 <br />Project: Schwartz GW 5/15/2013 <br />S26920 & S26921 <br />Work Order: <br />C13050697 <br />[Ainalyte <br />Count Result Units <br />RL %REC <br />Low Limit High Limit RPD <br />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 pCi /L <br />113 <br />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 pCi /L <br />95 <br />80 120 <br />Sample ID: MB -GrAB -1542 <br />6 Method Blank <br />Run: G542M_130603A <br />06/04/13 17 36 <br />Gross Alpha <br />0.2 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 />-0.4 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13051013- 004CDUP <br />6 Sample Duplicate <br />Run: G542M_130603A <br />06/04/13 17:36 <br />Gross Alpha <br />75.4 pCi /L <br />18 <br />21.9 <br />Gross Alpha precision ( ±) <br />4.78 pCi /L <br />Gross Alpha MDC <br />3.52 pCi /L <br />Gross Beta <br />40.8 pCi /L <br />7.2 <br />28.9 <br />Gross Beta precision ( ±) <br />3.88 pCi /L <br />Gross Beta MDC <br />5.20 pCi /L <br />Sample ID: 013050747- 005IMS <br />Sample Matrix Spike <br />Run: G542M_130603A <br />06/05/13 07:42 <br />Gross Alpha <br />125 pCi /L <br />117 <br />70 130 <br />Sample ID: C13050747- 005IMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130603A <br />06/05/13 07:42 <br />Gross Alpha <br />139 pCi /L <br />130 <br />70 130 11 <br />15 <br />Sample ID: C13050747- 005IMS <br />Sample Matrix Spike <br />Run: G542M_130603A <br />06/05/13 07:42 <br />Gross Beta <br />183 pCi /L <br />100 <br />70 130 <br />Sample ID: 013050747- 005IMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130603A <br />06/05/13 07:42 <br />Gross Beta <br />215 pCi /L <br />117 <br />70 130 16 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 19 of 24 <br />