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ENERGY <br />LAYOr1.ni <br />Analyte <br />Client: Cotter Corporation <br />Project: Schwartz SW 7 -12 -12 S26517 <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1336 <br />Gross Alpha <br />Sample ID: Cs137 -GrAB -1336 <br />Gross Beta <br />Sample ID: MB -GrAB -1336 <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: C12070460- 001IDUP <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: 012070892- 027AMS <br />Gross Alpha <br />Sample ID: C12070892- 027AMSD <br />Gross Alpha <br />Sample ID: C12070892- 027AMS <br />Gross Beta <br />www.energylab.com c- <br />Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />Analytical Excellenes Sh7C8 1852 Gillette, WY 866- 686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 - 690 -2218 <br />Count <br />Result Units <br />Laboratory Control Sample <br />222 pCi /L <br />Laboratory Control Sample <br />154 pCi /L <br />6 Method Blank <br />-0.5 <br />0.7 <br />1 <br />0.3 <br />1 <br />2 <br />6 Sample Duplicate <br />24.3 <br />2.11 <br />1.92 <br />6.78 <br />1.82 <br />2.79 <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 />239 pCi /L <br />Sample Matrix Spike Duplicate Run: G542M_120820A 08/22/12 04:36 <br />163 pCi /L 76 70 130 37 14.9 R <br />- The RPD for the MSD is high The individual spike recoveries are within range, the MB is acceptable, and the LCS is acceptable therefore the batch is approved <br />Sample Matrix Spike <br />185 pCi /L <br />Sample ID: 012070892- 027AMSD Sample Matrix Spike Duplicate <br />Gross Beta 187 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Run: G542M_120820A <br />109 80 120 <br />Run: G542M_120820A <br />83 80 120 <br />Run: G542M_120820A <br />Run: G542M_120820A <br />Run: G542M_120820A <br />112 70 130 <br />Run: G542M_120820A <br />97 70 130 <br />Run: G542M_120820A <br />98 70 130 <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />Report Date: 08/22/12 <br />Work Order: C12070481 <br />Batch: GrAB -1336 <br />08/21/12 16:20 <br />08/21/12 16:20 <br />08/21/12 16:20 <br />U <br />U <br />08/21/12 16:20 <br />9.1 26.9 <br />7.4 62.8 <br />1.1 <br />Page 20 of 25 <br />08/22/12 04:36 <br />08/22/12 04:36 <br />08/22/12 04:36 <br />13.9 <br />