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■ INV wwwA*rVIab.com Heleaa, W 871 -472 -0111 • billings, MT BOD- 735 -4489 •Gasper, WY 888- 235 -0515 <br />s M~Enellaaa S/aa 1831 Gillette, INY 866 -686 -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 <br />Report Date: <br />05/01/13 <br />Project: Schwartz SW 4/03/13 S26860 <br />Work Order: <br />C13040198 <br />Analyte Count Result Units <br />RL %REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1504 <br />Sample ID: Th230 -GrAB -1504 <br />Laboratory Control Sample <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Alpha <br />122 pCi /L <br />115 <br />80 120 <br />Sample ID: Sr90 -GrAB -1504 <br />Laboratory Control Sample <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Beta <br />169 pCi /L <br />94 <br />80 120 <br />Sample ID: MB -GrAB -1504 <br />6 Method Blank <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Alpha <br />1 pCi /L <br />Gross Alpha precision ( ±) <br />0.7 pCi /L <br />Gross Alpha MDC <br />1 pCi /L <br />Gross Beta <br />-2 pCi /L <br />U <br />Gross Beta precision ( ±) <br />1 pCi /L <br />Gross Beta MDC <br />3 pCi /L <br />Sample ID: C13040217 -001 DMS <br />Sample Matrix Spike <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Alpha <br />101 pCi /L <br />79 <br />70 130 <br />Sample ID: C13040217 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Alpha <br />103 pCi /L <br />81 <br />70 130 1.7 <br />17.6 <br />Sample ID: C13040217 -001 DMS <br />Sample Matrix Spike <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Beta <br />205 pCi /L <br />97 <br />70 130 <br />Sample ID: C13040217 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run: G542M_130415A <br />04/16/13 18:30 <br />Gross Beta <br />209 pCi /L <br />99 <br />70 130 1.9 <br />13.7 <br />Sample ID: C13040217- 005DDUP <br />6 Sample Duplicate <br />Run: G542M_130415A <br />04/17/13 06:32 <br />Gross Alpha <br />96.9 pCi /L <br />8.2 <br />18.5 <br />Gross Alpha precision ( ±) <br />4.08 pCi /L <br />Gross Alpha MDC <br />2.64 pCi /L <br />Gross Beta <br />20.1 pCi /L <br />8.3 <br />32.1 <br />Gross Beta precision ( ±) <br />2.16 pCi /L <br />Gross Beta MDC <br />2.91 pCi /L <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 20 of 25 <br />