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• www.vw&ab.com Helena,lf�871-472-0711 •Billings,MT 801-735-4489•Casper,WY 888-235-0515 <br /> - A-"alExeadAreix Slaee 1831 Gillette,wy 866-686-7175-Rapid City,SD 886-672-1225-College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/11/14 <br /> Project: Schwartz-SW 5/15/14 S27485 Work Order: C14050558 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E903.0 Batch: RA226-7208 <br /> Lab ID: C14050560-001DMS Sample Matrix Spike Run:BERTHOLD 770-2_140602A 06/09/14 16:04 <br /> Radium 226 210 pCi/L 91 70 130 <br /> Lab ID: C14050560-001DMSD Sample Matrix Spike Duplicate Run:BERTHOLD 770-2_140602A 06/09/14 16:04 <br /> Radium 226 220 pCi/L 130 70 130 4.0 13.6 <br /> Lab ID: C14050277-0011DUP 3 Sample Duplicate Run:BERTHOLD 770-2_140602A 06/09/14 16:04 <br /> Radium 226 18 pCi/L 4.7 23.9 <br /> Radium 226 precision(±) 1.3 pCi/L <br /> Radium 226 MDC 0.39 pCi/L <br /> Lab ID: C14050897-001 EMS Sample Matrix Spike Run:BERTHOLD 770-2_140602A 06/09/14 21:21 <br /> Radium 226 31 pCi/L 97 70 130 <br /> Lab ID: C14050897-001 EMSD Sample Matrix Spike Duplicate Run: BERTHOLD 770-2_140602A 06/09/14 21:21 <br /> Radium 226 33 pCi/L 104 70 130 4.7 19.6 <br /> Lab ID: MB-RA226-7193 3 Method Blank Run:BERTHOLD 770-2 140602A 06/09/14 21:21 <br /> Radium 226 -0.06 pCi/L U <br /> Radium 226 precision(±) 0.08 pCi/L <br /> Radium 226 MDC 0.2 pCi/L <br /> Lab ID: LCS-RA226-7193 Laboratory Control Sample Run:BERTHOLD 770-2_140602A 06/09/14 21:21 <br /> Radium 226 12 pCi/L 103 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 5 of 8 <br />