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• WWWtWgylab.com Helena,MT 877472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> E=ftaSim 111v Gillette,WY 866-686-7175•Rapid City,SD BBB-872 1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/24/14 <br /> Project: Schwartz-SW 6/2/14 S27527 TH S27533 Work Order: C14060071 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qua[ <br /> Method: E245.1 Analytical Run:CVAA_C203_140610A <br /> Lab ID: ICV Initial Calibration Verification Standard 06/10/14 14:35 <br /> Mercury 0.00519 mg/L 0.00010 104 90 110 <br /> Lab ID: CCV Continuing Calibration Verification Standard 06/10/14 15:07 <br /> Mercury 0.00513 mg/L 0.00010 103 90 110 <br /> Method: E245.1 Batch: 140610a <br /> Lab ID: IPC Instrument Performance Check Sample Run:CVAA_C203_14061OA 06/10/14 14:40 <br /> Mercury 0.00516 mg/L 0.00010 103 95 105 <br /> Method: E245.1 Batch:41629 <br /> Lab ID: MB-41629 Method Blank Run:CVAA C203 14061 OA 06/10/14 14:43 <br /> Mercury ND mg/L 7E-05 <br /> Lab ID: LCS-41629 Laboratory Control Sample Run:CVAA_C203_140610A 06/10/14 14:45 <br /> Mercury 0.00528 mg/L 0.00010 106 85 115 <br /> Lab ID: C14050897-OOlDMS Sample Matrix Spike Run:CVAA_C203_14061OA 06/10/14 14:50 <br /> Mercury 0.00511 mg/L 0.00010 102 75 125 <br /> Lab ID: C14050897-OOlDMSD Sample Matrix Spike Duplicate Run:CVAA_C203_14061OA 06/10/14 14:53 <br /> Mercury 0.00501 mg/L 0.00010 100 75 125 1.8 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 23 of 38 <br />