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www.enerulab.com Helena,MT 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> AaWks(Er=b=S>b►ca 1351 <br /> Gillette,WY 888-886-1175•Rapid City,SD 888-672-1225•College Station,Tl(888-890-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 10/23/14 <br /> Project: Schwartz-SW 10/1/14 S27708 Work Order: C14100102 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E900.0 Batch:GrAB-1872 <br /> Lab ID: Sr90-GrAB-1872 Laboratory Control Sample Run:G5000W_141008B 10/15/14 01:21 <br /> Gross Beta 177 pCi/L 88 80 120 <br /> Lab ID: Th230-GrAB-1872 Laboratory Control Sample Run:G5000W_141008B 10/15/14 01:21 <br /> Gross Alpha 118 pCi/L 103 80 120 <br /> Lab ID: MB-GrAB-1872 6 Method Blank Run:G5000W_141008B 10/15/14 01:21 <br /> Gross Alpha -0.2 pCi/L U <br /> Gross Alpha precision(±) 0.7 pCi/L <br /> Gross Alpha MDC 1 pCi/L <br /> Gross Beta -0.01 pCi/L U <br /> Gross Beta precision(±) 2 pCi/L <br /> Gross Beta MDC 3 pCi/L <br /> Lab ID: C14100073-00lDDUP 6 Sample Duplicate Run:G5000W_141008B 10/15/14 01:21 <br /> Gross Alpha 22.3 pCi/L 12 29 <br /> Gross Alpha precision(±) 1.92 pCi/L <br /> Gross Alpha MDC 1.66 pCi/L <br /> Gross Beta 4.96 pCi/L 14 78 <br /> Gross Beta precision(±) 1.74 pCi/L <br /> Gross Beta MDC 2.67 pCi/L <br /> Lab ID: C14100073-002DMS Sample Matrix Spike Run:G5000W_141008B 10/15/14 01:21 <br /> Gross Alpha 270 pCi/L 90 70 130 <br /> Lab ID: C14100073-002DMS Sample Matrix Spike Run:G5000W_141008B 10/15/14 01:21 <br /> Gross Beta 238 pCi/L 105 70 130 <br /> Qualifiers: <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 />