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gum� Trust our People.Trust our Data. Billings,MT800.735.4469•Casper,WY 688.235.0515 <br /> R t College Station,TX 888.690.2218•Gillette,WY 866.686.7175•Helena.MT 877.472.0711 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 09/07/16 <br /> Project: Schwartz-GW 8/17/16 S29099,S29142 Work Order: C16080766 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E900.0 Batch:GrAB-2260 <br /> Lab ID: Th230-GrAB-2260 Laboratory Control Sample Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Alpha 87.3 pCi/L 88 80 120 <br /> Lab ID: Sr90-GrAB-2260 Laboratory Control Sample Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Beta 349 pCi/L 91 80 120 <br /> Lab ID: MB-GrAB-2260 6 Method Blank Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Alpha -0.4 pCi/L U <br /> Gross Alpha precision(t) 0.7 pCi/L <br /> Gross Alpha MDC 1 pCi/L <br /> Gross Beta 1 pCi/L U <br /> Gross Beta precision(t) 2 pCi/L <br /> Gross Beta MDC 3 pCi/L <br /> Lab ID: C16080766-00lDMS Sample Matrix Spike Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Alpha 751 pCi/L -100 70 130 S <br /> Lab ID: C16080766-00lDMSD Sample Matrix Spike Duplicate Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Alpha 899 pCi/L 48 70 130 18 48.8 S <br /> Lab ID: C16080766-001DMS Sample Matrix Spike Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Beta 495 pCi/L 106 70 130 <br /> Lab ID: C16080766-001 DMSD Sample Matrix Spike Duplicate Run:G5000W_160825A 08/26/16 21:40 <br /> Gross Beta 456 pCi/L 96 70 130 8.0 30.3 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration S-Spike recovery outside of advisory limits. <br /> U-Not detected at minimum detectable concentration <br /> Page 11 of 16 <br />