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www.energyiab.com Helena, MT 877- 472 -0711 - Billings, W 600 - 735 -4469 - Casper, WY 888 - 235 -0515 <br />")I"EW&b=vMIIS2 J Gillette, WY 866 -686 -7175 - Rapid City, SD $86 -672 -1225 - College Station, T% 888- 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />05/29/13 <br />Project: Schwartz -SW 5/4/13 <br />S26868 S26869 <br />Work Order: <br />C13050235 <br />F nalyte <br />Count Result Units <br />RL ° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1536 <br />Sample ID: Th230 -GrAB -1536 <br />Laboratory Control Sample <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Alpha <br />111 pCi /L <br />106 <br />80 120 <br />Sample ID: Sr90 -GrAB -1536 <br />Laboratory Control Sample <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Beta <br />171 pCi /L <br />94 <br />80 120 <br />Sample ID: MB -GrAB -1536 <br />6 Method Blank <br />Run: G542M 130522A <br />05/24/13 16:08 <br />Gross Alpha <br />-0.6 pCi /L <br />U <br />Gross Alpha precision ( ±) <br />0.6 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-0.3 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />2 pCi /L <br />Sample ID: C13050235- 002HDUP <br />6 Sample Duplicate <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Alpha <br />3.42 pCi /L <br />42 <br />78.5 <br />Gross Alpha precision ( ±) <br />1.02 pCi /L <br />Gross Alpha MDC <br />1.44 pCi /L <br />Gross Beta <br />0.329 pCi /L <br />88 <br />494.4 U <br />Gross Beta precision ( ±) <br />1.52 pCi /L <br />Gross Beta MDC <br />2.53 pCi /L <br />Sample ID: C13050243 -001 AMS <br />Sample Matrix Spike <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Alpha <br />99.6 pCi /L <br />90 <br />70 130 <br />Sample ID: 013050243- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Alpha <br />87.5 pCi /L <br />79 <br />70 130 13 <br />17.3 <br />Sample ID: C13050243 -001 AMS <br />Sample Matrix Spike <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Beta <br />186 pCi /L <br />100 <br />70 130 <br />Sample ID: C13050243- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130522A <br />05/24/13 16:08 <br />Gross Beta <br />178 pCi /L <br />96 <br />70 130 4.6 <br />14 <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 23 of 29 <br />