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www.energylab.com Helena,MT 877-472-0711 •Billings,MT 608-735-4488•Gasper,WY 888-235-0515 <br /> - 5k"1JU f Gillette,WY 866-666-7175•Rapid City,SD 888-672-1225•College Station TX 888-680-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 08/21/14 <br /> Project: Schwartz-GW 7/29/14 S27612 Work Order: C14071021 <br /> Anaiyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS4-C_140820A <br /> Lab ID: ICV Initial Calibration Verification Standard 08/20/14 09:32 <br /> Thallium 0.0505 mg/L 0.0010 101 90 110 <br /> Method: E200.8 Batch:42299 <br /> Lab ID: MB-42299 Method Blank Run: ICPMS4-C 140820A 08/20/14 13:43 <br /> Thallium 7E-05 mg/L 6E-05 <br /> Lab ID: LCS3-42299 Laboratory Control Sample Run: ICPMS4-C_140820A 08/20/14 13:51 <br /> Thallium 0.423 mg/L 0.00050 85 85 115 <br /> Lab ID: C14080531-001CMS3 Sample Matrix Spike Run: ICPMS4-C_140820A 08/20/14 14:08 <br /> Thallium 0.421 mg/L 0.00050 84 70 130 <br /> Lab ID: C14080531-001CMSD Sample Matrix Spike Duplicate Run: ICPMS4-C_140820A 08/20/14 14:12 <br /> Thallium 0.426 mg/L 0.00050 85 70 130 1.3 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 13 of 22 <br />