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www.energylab.com f Helena,MT 877-472-0711 •Billings,MT 600-735-4489•Casper,WY 888-235-0515 <br /> Sba t Gillette,WY 866-666-7175•Rapid City,SD 868-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/17/14 <br /> Project: Schwartz GW 5/22/14 S27512, S27513 Work Order: C14050752 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E245.1 Analytical Run:CVAA_C203_140530A <br /> Lab ID: ICV Initial Calibration Verification Standard 05/30/14 10:17 <br /> Mercury 0.00473 mg/L 0.00010 95 90 110 <br /> Lab ID: CCV Continuing Calibration Verification Standard 05/30/14 10:43 <br /> Mercury 0.00516 mg/L 0.00010 103 90 110 <br /> Method: E245.1 Batch: 140530A <br /> Lab ID: IPC Instrument Performance Check Sample Run:CVAA_C203_140530A 05/30/14 10:19 <br /> Mercury 0.00488 mg/L 0.00010 98 95 105 <br /> Method: E245.1 Batch:41542 <br /> Lab ID: MB-41542 Method Blank Run:CVAA C203 140530A 05/30/14 10:21 <br /> Mercury ND mg/L 7E-05 <br /> Lab ID: LCS-41542 Laboratory Control Sample Run:CVAA_C203_140530A 05/30/14 10:27 <br /> Mercury 0.00512 mg/L 0.00010 102 85 115 <br /> Lab ID: C14050752-001DMS Sample Matrix Spike Run:CVAA_C203_140530A 05/30/14 10:29 <br /> Mercury 0.00889 mg/L 0.00010 89 75 125 <br /> Lab ID: C14050752-001DMSD Sample Matrix Spike Duplicate Run:CVAA_C203_140530A 05/30/14 10:31 <br /> Mercury 0.00975 mg/L 0.00010 98 75 125 9.2 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 />