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ENERGY <br />Client: Cotter Corporation <br />Project: Schwartz GW 4/27/12 S26359 <br />Analyte <br />4 j 4 <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1274 <br />Gross Alpha <br />Sample ID: Cs137 -GrAB -1274 <br />Gross Beta <br />Sample ID: MB -GrAB -1274 <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: C12050203 -001 EMS <br />Gross Alpha <br />Sample ID: C12050203- 001EMSD <br />Gross Alpha <br />Sample ID: C12050203 -001 EMS <br />Gross Beta <br />Sample ID: C12050203 -001 EMSD <br />Gross Beta <br />Sample ID: C12050234- 003ADUP <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />www.energylab.com <br />AssOlkal Exc nciSikceIW <br />Count Result Units <br />6 Method Blank <br />-1 <br />0.8 <br />1 <br />-2 <br />2 <br />3 <br />Sample Matrix Spike <br />226 pCi /L <br />Sample Matrix Spike <br />180 pCi /L <br />3 Sample Duplicate <br />1.62 <br />2.60 <br />4.21 <br />Helena, MT 877472 -0711 • Billings, MT 800-735-4489 • Casper, WY 888- 235 -0515 <br />Gillette, WY 808.688 -7175 • Rapid City, SD 880 -872 -1225 • College Station, TX 888 -880 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Laboratory Control Sample <br />203 pCi /L <br />Laboratory Control Sample <br />178 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 />215 pCi /L <br />Sample Matrix Spike Duplicate <br />179 pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />RL %REC Low Limit High Limit RPD RPDLimit Quai <br />Run: G5000W_120524C <br />99 80 120 <br />Run: G5000W_120524C <br />96 80 120 <br />Run: G5000W_120524C <br />Run: G5000W_120524C <br />105 70 130 <br />Run: G5000W_120524C <br />99 70 130 <br />Run: G5000W_120524C <br />96 70 130 <br />Run: G5000W_120524C <br />95 70 130 <br />Run: G5000W_120524C <br />Report Date: 06/06/12 <br />Work Order: C12041332 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />06/02/12 08:01 <br />06/02/12 08:01 <br />5.2 15.7 <br />06/02/12 08:01 <br />06/02/12 08:01 <br />0.5 15.3 <br />06/02/12 08:01 <br />180 485 U <br />Page 14 of 19 <br />Batch: GrAB -1274 <br />06/02/12 08:00 <br />06/02/12 08:00 <br />06/02/12 08:00 <br />U <br />U <br />