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ENERGY <br />LAF3QRATORILS <br />Client: Cotter Corporation <br />Project: Schwartz GW 7/20/12 S26541 <br />Analyte Count Result Units <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1319 <br />Gross Alpha <br />Sample ID: Cs137 -GrAB -1319 <br />Gross Beta <br />Sample ID: MB -GrAB -1319 <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: C12070750- 001ADUP <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Sample ID: C12070761- 001FMS Sample Matrix Spike <br />Gross Alpha 2280 pCi /L <br />- Sample activity for this radionuclide is much larger than the spike activity added. <br />MS /MSD pair are acceptable; this batch is approved. <br />Sample ID: C12070761- 001FMSD Sample Matrix Spike Duplicate <br />Gross Alpha 1880 pCi /L <br />Sample ID: 012070761 -001 FMS <br />Gross Beta <br />Sample ID: C12070761- 001FMSD <br />Gross Beta <br />Sample ID: C12070750- 001ADUP <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />6 Method Blank <br />-0.7 <br />0.6 <br />1 <br />-1 <br />1 <br />2 <br />3 Sample Duplicate <br />3.51 pCi /L <br />4.12 pCi /L <br />6.65 pCi /L <br />Sample Matrix Spike <br />682 pCi /L <br />3 Sample Duplicate <br />-0.651 pCi /L <br />7.40 pCi /L <br />12.4 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />www.energylab.com r Helena, MT 877 472 - 0711 • Billings, MT 800 - 735 - 4489 • Casper, WY 888 - 235 - 0515 <br />M c:awadit=Since 1952 ) Gillette, WY 866- 686 -7175 • Rapid City, SD 888 -612 -1225 • College Station, TX 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Laboratory Control Sample <br />186 pCi /L <br />Laboratory Control Sample <br />173 pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />Sample Matrix Spike Duplicate <br />625 pCi /L <br />Run: G542M_120731A <br />91 80 120 <br />Run: G542M_120731A <br />93 80 120 <br />Run: G542M_120731A <br />Run: G542M_120731A <br />Run: G542M_120731A <br />168 70 130 <br />Therefore the matrix spike recovery could not be calculated <br />Run: G542M_120731A <br />67 70 130 <br />Run: G542M_120731A <br />108 70 130 <br />Run: G542M_120731A <br />92 70 130 <br />Run: G542M_120731A <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Report Date: 08/17/12 <br />Work Order: C12070761 <br />RL %REC Low Limit High Limit RPD RPDLimit Qua! <br />Page 13 of 18 <br />Batch: GrAB -1319 <br />08/01/12 17:19 <br />08/01/12 17:19 <br />08/01/12 17:19 <br />U <br />U <br />08/01/12 17:19 <br />69 299.3 U <br />08/02/12 05:27 <br />S <br />The LCS and the RPD of the <br />08/02/12 05:27 <br />19 20 S <br />08/02/12 05:27 <br />08/02/12 05:27 <br />8.9 13.2 <br />08/01/12 17:19 <br />160 323.5 U <br />