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• www.energylab=rn 720711 • Billings, W Idd-735-4469 • Casper, wY866-735.4515 <br />n A@*" bvslr wam Im SRI ?ft?R id aty, SD 888-M-1225 • CMlega Station, TX 818-610-1211. <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/08/11 <br />Project: Schwartz SW 03/08/11 S25677-S25684 Work Order: C11030280 <br />Analyte Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB-1054 <br />Sample ID: MB-GrAB-1054 Method Blank Run: G5000W_110311 B 03/17/11 10:18 <br />Gross Alpha -0.833 pCi/L U <br />Gross Alpha precision (±) 0.692 pCi/L <br />Gross Alpha MDC 1.28 pCi/L <br />Gross Beta -1.33 pCi/L U <br />Gross Beta precision (±) 1.53 pCi/L <br />Gross Beta MDC 2.62 pCi/L <br />Sample ID: Th230-GrAB-1054 Laboratory Control Sample Run: G5000W_110311 B 03/17/11 10:18 <br />Gross Alpha 110 pCi/L 108 80 120 <br />Sample ID: Cs137-GrAB-1054 Laboratory Control Sample Run: G5000W_110311 B 03/17/11 10:18 <br />Gross Beta 93.9 pCi/L 108 80 120 <br />Sample ID: C11030010-003DDUP Sample Duplicate Run: G5000W_110311B 03/17/11 10:18 <br />Gross Alpha -0.421 pCi/L 340 397.9 U <br />Gross Alpha precision (±) 2.19 pCi/L <br />Gross Alpha MDC 3.76 pCi/L <br />Gross Beta 1.55 pCi/L 59 177 U <br />Gross Beta precision (±) 1.91 pCi/L <br />Gross Beta MDC 3.15 pCi/L <br />Sample ID: 011030280-005FMS Sample Matrix Spike Run: G5000W_110311 B 03/18/11 00:14 <br />Gross Alpha 127 pCi/L 112 70 130 <br />Sample ID: C11030280-005FMSD Sample Matrix Spike Duplicate Run: G5000W_110311 B 03/18/11 00:14 <br />Gross Alpha 123 pCi/L 107 70 130 3.9 17.6 <br />Sample ID: C11030280-005FMS Sample Matrix Spike Run: G5000W_110311 B 03/18/11 00:14 <br />Gross Beta 105 pCi/L 114 70 130 <br />Sample ID: C11030280-005FMSD Sample Matrix Spike Duplicate Run: G5000W_110311 B 03/18/11 00:14 <br />Gross Beta 101 pCi/L 110 70 130 3.2 15.7 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 24 of 36