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wwwktie dabx6m <br />luytlal"Cda a Sloan <br />1N72=0711 4 Billings, Mr 1100-735-4111e9 - Casper, WY 869-235-0515- <br />5 1 d City, SD 888-672-1225 - College Station, TX 1188 60-2216 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/20/11 <br />Project: Schwartz-SW 3/22/11 S25636-S25643 Work Order: C11030702 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E900.0 Batch: GrAB-1065 <br />Sample ID: MB-GrAB-1065 6 Method Blank Run: G5000W_110325A 03/31/11 04:04 <br />Gross Alpha -0.5 pCi/L U <br />Gross Alpha precision (±) 0.6 pCi/L <br />Gross Alpha MDC 1 pCi/L <br />Gross Beta -2 pCi/L U <br />Gross Beta precision (±) 1 pCi/L <br />Gross Beta MDC 2 pCi/L <br />Sample ID: Th230-GrAB-1065 Laboratory Control Sample Run: G5000W_110325A 03/31/11 04:04 <br />Gross Alpha 103 pCi/L 101 80 120 <br />Sample ID: Cs137-GrAB-1065 Laboratory Control Sample Run: G5000W_110325A 03/31/11 04:04 <br />Gross Beta 84.1 pCi/L 97 80 120 <br />Sample ID: C11030702-007FMS Sample Matrix Spike Run: G5000W_110325A 03/31/11 04:04 <br />Gross Alpha 184 pCi/L 102 70 130 <br />Sample ID: C11030702-007FMSD Sample Matrix Spike Duplicate Run: G5000W_110325A 03/31/11 04:04 <br />Gross Alpha 177 pCi/L 95 70 130 4.0 16 <br />Sample ID: C11030702-007FMS Sample Matrix Spike Run: G5000W_110325A 03/31/11 04:04 <br />Gross Beta 108 pCi/L 103 70 130 <br />Sample ID: 011030702-007FMSD Sample Matrix Spike Duplicate Run: G5000W_110325A 04/01/11 01:31 <br />Gross Beta 101 pCi/L 94 70 130 7.0 15.4 <br />Sample ID: C11030715-002EDUP 6 Sample Duplicate Run: G5000W_110325A 04/01/11 01:31 <br />Gross Alpha -0.295 pCi/L 91 3993.8 U <br />Gross Alpha precision (±) 4.44 pCi/L <br />Gross Alpha MDC 7.56 pCi/L <br />Gross Beta 13.6 pCi/L 2.1 78 <br />Gross Beta precision (±) 4.69 pCi/L <br />Gross Beta MDC 7.46 pCi/L <br />Clualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration U - Not detected at minimum detectable concentration <br />Page 25 of 38 <br />