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E www.energylab.com Helena,MT 877 472-0711 •Billings,MY 800-735-4480•Casper,WY 888-235-0515 <br /> - M>ytlrslfsr�lrarc.s�uoes t93T Gillette,WY 866-666-7175•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: 06/26/14 <br /> Project: Schwartz GW 06/05/14 S27539, S27540 Work Order: C14060251 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E903.0 Batch: RA226-7219 <br /> Lab ID: C14060196-001DMS Sample Matrix Spike Run:G542M_140609B 06/16/14 10:18 <br /> Radium 226 24 pCi/L 106 70 130 <br /> Lab ID: C1 4060196-001 DMSD Sample Matrix Spike Duplicate Run:G542M_140609B 06/16/14 10:18 <br /> Radium 226 21 pCi/L 89 70 130 17 21.5 <br /> Lab ID: MB-RA226-7219 3 Method Blank Run:G542M 140609E 06/16/14 12:06 <br /> Radium 226 0.1 pCi/L U <br /> Radium 226 precision(±) 0.1 pCi/L <br /> Radium 226 MDC 0.2 pCi/L <br /> Lab ID: LCS-RA226-7219 Laboratory Control Sample Run:G542M_140609B 06/16/14 12:06 <br /> Radium 226 12 pCi/L 102 80 120 <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 /> Page 20 of 24 <br />