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• �� www.energylab.com Helena,MT 677-472-0711 •Billings,MT 800-735-4486•Casper,WY 888-235-0515 <br /> �. AaalnlfresM.nc.SYocs 1931 Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225•College Station,TX 888-680-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 10/24/14 <br /> Project: Schwartz-GW 10/1/14 S27710 Work Order: C14100097 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E903.0 Batch:RA226-7399R <br /> Lab ID: LCS-RA226-7399 Laboratory Control Sample Run:G5000W_141006B 10/20/14 12:13 <br /> Radium 226 13 pCi/L 113 80 120 <br /> Lab ID: MB-RA226-7399 3 Method Blank Run:G5000W_141006B 10/20/14 12:13 <br /> Radium 226 0.08 pCi/L U <br /> Radium 226 precision(±) 0.2 pCi/L <br /> Radium 226 MDC 0.3 pCi/L <br /> Lab ID: C14100073-001DMS Sample Matrix Spike Run:G5000W_141006B 10/20/14 12:13 <br /> Radium 226 26 pCi/L 111 70 130 <br /> Lab ID: C14100073-001DMSD Sample Matrix Spike Duplicate Run:G5000W_141006B 10/20/14 12:13 <br /> Radium 226 26 pCi/L 109 70 130 1.9 21.9 <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 /> Pane 9 of 13 <br />