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• www.energylsb.com Helena, MT 877472 -0711 - Billings, MT 800- 735 -4489 - Casper, WY 888- 235 -0515 <br />2' IW 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 S26920 & S26921 <br />Work Order: <br />C13050697 <br />Analyte <br />Count Result Units <br />RL ° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E900.0 <br />Batch: GrAB -1549 <br />Sample ID: Th230 -GrAB -1549 <br />Laboratory Control Sample <br />Run: G5000W_130611A <br />06/13/13 15:50 <br />Gross Alpha <br />116 pCi /L <br />111 <br />80 120 <br />Sample ID: Sr90 -GrAB -1549 <br />Laboratory Control Sample <br />Run: G5000W_130611A <br />06/13/13 15:50 <br />Gross Beta <br />174 pCi /L <br />96 <br />80 120 <br />Sample ID: MB -GrAB -1549 <br />6 Method Blank <br />Run: G5000W_130611A <br />06/13/13 15:50 <br />Gross Alpha <br />-0.9 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 />-2 pCi /L <br />U <br />Gross Beta precision ( ±) <br />2 pCi /L <br />Gross Beta MDC <br />3 pCi /L <br />Sample ID: C13050697- 002FDUP <br />6 Sample Duplicate <br />Run: G5000W_130611A <br />06/13/13 15:50 <br />Gross Alpha <br />243 pCi /L <br />5.9 <br />14.5 <br />Gross Alpha precision ( ±) <br />5.51 pCi /L <br />Gross Alpha MDC <br />1.95 pCi /L <br />Gross Beta <br />50.9 pCi /L <br />10 <br />20.8 <br />Gross Beta precision ( ±) <br />2.66 pCi /L <br />Gross Beta MDC <br />2.79 pCi /L <br />Sample ID: C13051074- 0011MS <br />Sample Matrix Spike <br />Run: G5000W_130611A <br />06/14/13 03:54 <br />Gross Alpha <br />116 pCi /L <br />107 <br />70 130 <br />Sample ID: C13051074- 001IMSD <br />Sample Matrix Spike Duplicate <br />Run: G5000W_130611 A <br />06/14/13 03:54 <br />Gross Alpha <br />118 pCi /L <br />109 <br />70 130 1.6 <br />15.4 <br />Sample ID: C13051074- 0011MS <br />Sample Matrix Spike <br />Run: G5000W_130611A <br />06/14/13 03:54 <br />Gross Beta <br />200 pCi /L <br />110 <br />70 130 <br />Sample ID: 013051074- 0011MSD <br />Sample Matrix Spike Duplicate <br />Run: G5000W_130611 A <br />06/14/13 03:54 <br />Gross Beta <br />191 pCi /L <br />105 <br />70 130 4.8 <br />13.9 <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 18 of 24 <br />