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ENERGY <br />I. ABORATORIES <br />Client: Cotter Corporation <br />Project: Schwartz GW 7/26/2012 S26523 <br />Analyte Count <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1329 <br />Gross Alpha <br />Sample ID: Cs137 -GrAB -1329 <br />Gross Beta <br />Sample ID: MB -GrAB -1329 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />Sample ID: C12070995- 005DDUP 6 Sample Duplicate <br />Gross Alpha 93.5 <br />Gross Alpha precision ( ±) 4.31 <br />Gross Alpha MDC 1.91 <br />Gross Beta 27.4 <br />Gross Beta precision ( ±) 2.55 <br />Gross Beta MDC 3.35 <br />Sample ID: C12080001- 002DMS <br />Gross Alpha <br />Sample ID: 012080001- 002DMSD <br />Gross Alpha <br />Sample ID: C12080001- 002DMS <br />Gross Beta <br />Sample ID: 012080001- 002DMSD <br />Gross Beta <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />wwvr.energylab.com <br />Aeelyical Exultance Since 1952 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Result Units RL %REC Low Limit <br />Laboratory Control Sample <br />209 pCi /L <br />Laboratory Control Sample <br />174 pCi /L <br />6 Method Blank <br />2 <br />0.6 <br />0.8 <br />-2 <br />1 <br />2 <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />Sample Matrix Spike <br />227 pCi /L <br />Sample Matrix Spike Duplicate <br />219 pCi /L <br />Sample Matrix Spike <br />215 pCi /L <br />Sample Matrix Spike Duplicate <br />198 pCi /L <br />Helena, MT 817 - 472 - 0111 • Billings, MT 800 - 735 - 4489 • Casper, WY 888 235 - 0515 <br />Gillette, WY 866 - 686 - 7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888- 690 -2218 <br />Run: TENNELEC- 3_120814D <br />101 80 120 <br />High Limit RPD RPDLimit Qual <br />Run: TENNELEC-3_120814D <br />95 80 120 <br />Run. TENNELEC-3_120814D <br />Run: TENNELEC-3_120814D <br />Run: TENNELEC-3_120814D <br />83 70 130 <br />11 <br />Run: TENNELEC-3_120814D <br />79 70 130 3.5 <br />Run: TENNELEC-3_120814D <br />108 70 130 <br />Run• TENNELEC- 3_120814D <br />99 70 130 8.3 <br />Report Date: 08/31/12 <br />Work Order: C12071072 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Batch: GrAB -1329 <br />08/16/12 19:25 <br />08/16/12 19:25 <br />08/16/12 19:25 <br />U <br />08/16/12 19:26 <br />12 19 <br />28 <br />Page 16 of 20 <br />08/17/12 10:23 <br />08/17/12 10:23 <br />15 <br />08/17/12 10:23 <br />08/17/12 10:22 <br />13.6 <br />