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• www.energy1ob.com Helena,MT 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-6515 <br /> f Afrrllxe.sdoe.1952 <br /> Gillette,WY 888-888-7115•Rapid City,SD 888-672-1225•College Station,TX 888-890-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/26/14 <br /> Project: Schwartz GW 06/05/14 S27539, S27540 Work Order: C14060251 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <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_140610A 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 140610A 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: C14060196-001EMS Sample Matrix Spike Run:CVAA_C203_140610A 06/10/14 15:17 <br /> Mercury 0.00505 mg/L 0.00010 101 75 125 <br /> Lab ID: C14060196-001EMSD Sample Matrix Spike Duplicate Run:CVAA_C203_140610A 06/10/14 15:20 <br /> Mercury 0.00506 mg/L 0.00010 101 75 125 0.1 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 15 of 24 <br />