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ENERGY <br />LAFIORATORIES <br />Analyte <br />Client: Cotter Corporation <br />Project: Schwartz GW 8/31/2012 S26629 <br />Method: E900.0 <br />Sample ID: Th230 -GrAB -1357 <br />Gross Alpha <br />Sample ID: Sr90 -GrAB -1357 Laboratory Control Sample <br />Gross Beta 172 pCi /L 94 80 120 <br />Sample ID: MB -GrAB -1357 <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />wwwenergylab.com <br />AnslytkgF.xcsBenc. S/ncs 1352 <br />Laboratory Control Sample <br />103 pCi /L <br />6 Method Blank <br />-0.5 pCi /L <br />0.6 pCi /L <br />1 pCi /L <br />-3 pCi /L <br />1 pCi /L <br />3 pCi /L <br />Sample ID: C12090081 -002ADUP 6 Sample Duplicate Run: G5000W_120924A 09/26/12 16:51 <br />Gross Alpha 49.7 pCi /L 20 32.8 <br />Gross Alpha precision ( ±) 5.61 pCi /L <br />Gross Alpha MDC 6.46 pCi /L <br />Gross Beta 13.3 pCi /L 34 99 <br />Gross Beta precision ( ±) 5.06 pCi /L <br />Gross Beta MDC 7.96 pCi /L <br />Sample ID: C12090218 -001 EMS Sample Matrix Spike <br />Gross Alpha 226 pCi /L <br />Sample ID: C12090218 -001 EMS Sample Matrix Spike <br />Gross Beta 214 pCi /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <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 />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Run: G5000W_120924A <br />102 80 120 <br />Run: G5000W_120924A 09/26/12 16:51 <br />Run: G5000W_120924A <br />Revised Date: 11/01/12 <br />Report Date: 10/05/12 <br />Work Order: C12090026 <br />Run: G5000W_120924A 09/27/12 04:53 <br />111 70 130 <br />Sample ID: C12090218 -001 EMSD Sample Matrix Spike Duplicate Run: G5000W_120924A 09/27/12 04:53 <br />Gross Alpha 220 pCi /L 108 70 130 2.9 14.4 <br />Run: G5000W_120924A 09/27/12 04:53 <br />116 70 130 <br />Sample ID: C12090218 -001 EMSD Sample Matrix Spike Duplicate Run: G5000W_120924A 09/27/12 04:53 <br />Gross Beta 189 pCi /L 102 70 130 12 14.3 <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Batch: GrAB -1357 <br />09/26/12 16:51 <br />09/26/12 16:51 <br />U <br />U <br />Page 16 of 20 <br />