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ENERGY <br />LAE O FAJ OILS <br />Client: Cotter Corporation <br />Project: Schwartz SW 2/19/13 S26797 <br />Analyte <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1483 <br />Gross Alpha <br />Sample ID: MB -GrAB -1483 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />www.energylab.com <br />Analytics! Excellence Since 1852 <br />Count Result Units <br />Laboratory Control Sample <br />116 pCi /L <br />6 Method Blank <br />1 pCi /L <br />0.7 pCi /L <br />1 pCi /L <br />-2 pCi /L <br />1 pCi /L <br />3 pCi /L <br />Sample ID: C13020602- 003BMS Sample Matrix Spike <br />Gross Beta <br />191 pCi /L <br />Sample ID: C13020602- 003BMSD Sample Matrix Spike Duplicate <br />Gross Beta <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />183 pCi /L <br />Sample ID: C13020606- 001FDUP 6 Sample Duplicate <br />Gross Alpha 151 <br />Gross Alpha precision ( ±) 4.93 <br />Gross Alpha MDC 2.26 <br />Gross Beta 31.2 <br />Gross Beta precision ( ±) 2.39 <br />Gross Beta MDC 2.87 <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />pCi /L <br />Helena, MT 877- 472 -0711 • 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 />Report Date: 03/21/13 <br />Work Order: C13020606 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Run: G542M_130319A <br />109 80 120 <br />Run: G542M_130319A <br />Run: G542M_130319A <br />103 70 130 <br />Run: G542M_130319A <br />99 70 130 <br />Run: G542M_130319A <br />15 24.5 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Batch: GrAB -1483 <br />03/20/13 17:46 <br />03/20/13 17:46 <br />U <br />03/20/13 17:47 <br />03/20/13 17:47 <br />4.2 13.9 <br />03/20/13 17:47 <br />6.0 16.7 <br />Page 20 of 26 <br />