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www.eae dsb.com Helena,MT$77-472-0711 •Billings,UT 800-735-4489•Casper,WY 888-235-0515 <br /> ANfA"E=OWW'Abee 1152 F Gillette,WY 866-686-7175•Rapid City,SD 888-672-1225•College Station,Tx 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/29/14 <br /> Project: Schwartz-GW 07/03/14 S27602 Work Order: C14070210 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E903.0 Batch: RA226-7268 <br /> Lab ID: C14070285-004EMS Sample Matrix Spike Run:G5000W_140714A 07/28/14 10:54 <br /> Radium 226 24 pCi/L 98 70 130 <br /> Lab ID: C14070285-004EMSD Sample Matrix Spike Duplicate Run:G5000W_140714A 07/28/14 10:54 <br /> Radium 226 24 pCi/L 98 70 130 0.4 20.4 <br /> Lab ID: MB-RA226-7268 3 Method Blank Run:G5000W 140714A 07/28/14 10:54 <br /> Radium 226 0.003 pCi/L U <br /> Radium 226 precision(±) 0.1 pCi/L <br /> Radium 226 MDC 0.2 pCi/L <br /> Lab ID: LCS-RA226-7268 Laboratory Control Sample Run:G5000W_140714A 07/28/14 10:54 <br /> Radium 226 13 pCi/L 118 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 10 of 14 <br />