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www.energylab.com Helena,MT 877-472-0711 •Billings,MT 800-735-4489 a Casper,WY 888-235-0515 <br /> - Us�Mn�Fsesq nc.S�mc.r9s2 Gillette,WY 866-686-7175•Rapid City,SO 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: 05/13/14 <br /> Project: Schwartz-GW 4/23/14 S27445 Work Order: C14040728 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E245.1 Analytical Run:CVAA_C203_140425B <br /> Lab ID: ICV Initial Calibration Verification Standard 04/25/14 15:15 <br /> Mercury 0.00487 mg/L 0.00010 97 90 110 <br /> Method: E245.1 Batch: 140425C <br /> Lab ID: IPC Instrument Performance Check Sample Run:CVAA_C203_140425B 04/25/14 15:19 <br /> Mercury 0.00499 mg/L 0.00010 100 95 105 <br /> Method: E245.1 Batch:41217 <br /> Lab ID: MB-41217 Method Blank Run:CVAA C203 140425B 04/25/14 15:23 <br /> Mercury ND mg/L 7E-05 <br /> Lab ID: C14040728-001 DMS Sample Matrix Spike Run:CVAA_C203_140425B 04/25/14 15:29 <br /> Mercury 0.00549 mg/L 0.00010 110 70 130 <br /> Lab ID: LCS-41217 Laboratory Control Sample Run:CVAA_C203_140425B 04/25/14 15:31 <br /> Mercury 0.00525 mg/L 0.00010 105 80 120 <br /> Lab ID: C14040728-001DMSD Sample Matrix Spike Duplicate Run:CVAA_C203_140425B 04/25/14 15:39 <br /> Mercury 0.00479 mg/L 0.00010 96 70 130 14 10 R <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration R-RPD exceeds advisory limit. <br /> Page 12 of 20 <br />