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www.energylab.com Helena, MT 877472 -0711 • Billings, UT B00. 7354489 - Casper, WY 888- 235 -0515 <br />AuWa E, ra 9= INN Gillette, WY 866 -686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, T% 888 -690 -2218 <br />' QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz 5/16/13 S26976- S26978 & S26980- S26983 <br />Analyte Count Result <br />Units <br />Method: E900.0 <br />117 <br />70 130 <br />Sample ID: Th230 -GrAB -1542 <br />Laboratory Control <br />Sample <br />Gross Alpha <br />119 <br />pCi /L <br />Sample ID: Sr90 -GrAB -1542 <br />Laboratory Control Sample <br />Gross Beta <br />172 <br />pCi /L <br />Sample ID: MB -GrAB -1542 <br />6 Method Blank <br />Gross Alpha <br />0.2 <br />pCi /L <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 />pCi /L <br />Gross Beta precision ( ±) <br />1 <br />pCi /L <br />Gross Beta MDC <br />2 <br />pCi /L <br />Sample ID: C13051013- 004CDUP <br />6 Sample Duplicate <br />Gross Alpha <br />75.4 <br />pCi /L <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 />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 />Sample Matrix Spike <br />Gross Alpha <br />125 <br />pCi /L <br />Sample ID: C13050747- 005IMSD <br />Sample Matrix Spike Duplicate <br />Gross Alpha <br />139 <br />pCi /L <br />Sample ID: C13050747- 005IMS <br />Sample Matrix Spike <br />Gross Beta <br />183 <br />pCi /L <br />Sample ID: C13050747- 005IMSD <br />Sample Matrix Spike Duplicate <br />Gross Beta <br />215 <br />pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 06/12/13 <br />Work Order: 013050679 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: GrAB -1542 <br />Run: G542M_130603A 06/04/13 1736 <br />113 80 120 <br />Run: G542M_130603A 06/04/13 17:36 <br />95 80 120 <br />Run: G542M_130603A 06/04/13 17:36 <br />U <br />U <br />Run: G542M_130603A 06/04/13 17:36 <br />18 21.9 <br />7.2 28.9 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 26 of 37 <br />Run: G542M_130603A <br />06/05/13 07:42 <br />117 <br />70 130 <br />Run: G542M_130603A <br />06/05/13 07:42 <br />130 <br />70 130 <br />11 15 <br />Run: G542M_130603A <br />06/05/13 07:42 <br />100 <br />70 130 <br />Run: G542M_130603A <br />06/05/13 07:42 <br />117 <br />70 130 <br />16 20 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 26 of 37 <br />