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wwwm efopb.com <br />Aul)"BsheaS111M IM <br />4le6,`MT877-412-0711 •BiIllnnW090-735-4489• Casper, WY883-235-1515 <br />686- 7175 • Rapid City, SD BIB-672.1225 • College Station, iX 811-6ID-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 03/15/11 <br />Project: Schwartz SW 02-10-11 S25580-S25582 Work Order: C11020376 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB-1047 <br />Sample ID: MB-GrAB-1047 6 Method Blank Run: G5000W_110228A 03/01/11 22:40 <br />Gross Alpha 0.1 pCi/L U <br />Gross Alpha precision (±) 0.7 pCi/L <br />Gross Alpha MDC 1 pCi/L <br />Gross Beta -0.3 pCi/L U <br />Gross Beta precision (±) 1 pCi/L <br />Gross Beta MDC 2 pCi/L <br />Sample ID: Th230-GrAB-1047 Laboratory Control Sample Run: G5000W_110228A 03/01/11 22:40 <br />Gross Alpha 105 pCi/L 103 80 120 <br />Sample ID: Cs137-GrAB-1047 Laboratory Control Sample Run: G5000W_110228A 03/01/11 22:40 <br />Gross Beta 62.9 pCi/L 72 80 120 S <br />- LCS response is outside of the acceptance range for this analysis. Since the MB, MS, and MSD are acceptable the batch is approved. <br />Sample ID: C1 1010810-001 ADUP 6 Sample Duplicate Run: G5000W_110228A 03/01/11 22:40 <br />Gross Alpha 85.3 pCi/L 3.2 30.6 <br />Gross Alpha precision (±) 8.89 pCi/L <br />Gross Alpha MDC 7.65 pCi/L <br />Gross Beta 11.3 pCi/L 11 79.9 <br />Gross Beta precision (±) 4.17 pCi/L <br />Gross Beta MDC 6.64 pCi/L <br />Sample ID: C11020554-003FMS Sample Matrix Spike Run: G5000W_110228A 03/02/11 10:54 <br />Gross Alpha 119 pCi/L 110 70 130 <br />Sample ID: C11020554-003FMSD Sample Matrix Spike Duplicate Run: G5000W_110228A 03/02/11 10:54 <br />Gross Alpha 116 pCi/L 107 70 130 3.0 17.7 <br />Sample ID: 011020554-003FMS Sample Matrix Spike Run: G5000W_110228A 03/02/11 10:54 <br />Gross Beta 99.6 pCi/L 107 70 130 <br />Sample ID: 011020554-003FMSD Sample Matrix Spike Duplicate Run: G5000W_110228A 03/02/11 10:54 <br />Gross Beta 103 pCi/L 111 70 130 2.9 15.6 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 21 of 29