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• wxnaenergylab.com Helena, MT 677- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 886- 235 -0515 <br />liv Gillette, WY 866 -686 -7175 • Rapid City, SD 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 GW 07/17/13 S27046 - S27047 <br />Analyte <br />Count Result Units <br />Method: E900.0 <br />81 <br />Sample ID: Th230 -GrAB -1587 <br />Laboratory Control Sample <br />Gross Alpha <br />111 pCi /L <br />Sample ID: Sr90 -GrAB -1587 <br />Laboratory Control Sample <br />Gross Beta <br />172 pCi /L <br />Sample ID: MB- GrAB -1587 <br />6 Method Blank <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 />-3 pCi /L <br />Gross Beta precision ( ±) <br />2 pCi /L <br />Gross Beta MDC <br />3 pCi /L <br />Sample ID: C13070707- 001ADUP <br />6 Sample Duplicate <br />Gross Alpha <br />4.07 pCi /L <br />Gross Alpha precision ( ±) <br />1.49 pCi /L <br />Gross Alpha MDC <br />2.17 pCi /L <br />Gross Beta <br />3.57 pCi /L <br />Gross Beta precision ( ±) <br />1.86 pCi /L <br />Gross Beta MDC <br />3.01 pCi /L <br />Sample ID: 013070744 -001 EMS <br />Sample Matrix Spike <br />Gross Alpha <br />96.4 pCi /L <br />Sample ID: C13070744 -001 EMSD <br />Sample Matrix Spike Duplicate <br />Gross Alpha <br />92.6 pCi /L <br />Sample ID: C13070744 -001 EMS <br />Sample Matrix Spike <br />Gross Beta <br />201 pCi /L <br />Sample ID: C13070744 -001 EMSD <br />Sample Matrix Spike Duplicate <br />Gross Beta <br />202 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 08/20/13 <br />Work Order: C13070682 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: GrAB -1587 <br />Run: G5000W_130726B 07/30/13 18:46 <br />106 80 120 <br />Run: G5000W_130726B 07/30/13 18:46 <br />96 80 120 <br />Run: G5000W 130726B 07/30/13 18:46 <br />U <br />III <br />Run: G5000W_130726B 07/31/13 07:51 <br />0.3 81.2 <br />18 111.5 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 18 of 24 <br />Run: G5000W_130726B <br />07/31/13 07:51 <br />81 <br />70 130 <br />Run: G5000W_130726B <br />07/31/13 07:51 <br />77 <br />70 130 4.0 <br />165 <br />Run: G5000W_130726B <br />07/31/13 07:51 <br />107 <br />70 130 <br />Run: G5000W_130726B <br />07/31/13 07:51 <br />107 <br />70 130 0.3 <br />13.8 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 18 of 24 <br />