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www.vwgoab.com Helena,W 877-472-0711 •Billings,MT 801-735-4489•Casper,WY 888-235-0515 <br /> AWWW ft=kWSim 1M1 Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 06/02/14 <br /> Project: Schwartz-SW 5/1/14 S27472 thru S27475 and S27467 Work Order: C14050155 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E245.1 Analytical Run:CVAA_C203_140508A <br /> Lab ID: ICV Initial Calibration Verification Standard 05/08/14 14:48 <br /> Mercury 0.00501 mg/L 0.00010 100 90 110 <br /> Lab ID: CCV Continuing Calibration Verification Standard 05/08/14 15:20 <br /> Mercury 0.00528 mg/L 0.00010 106 90 110 <br /> Method: E245.1 Batch: 140508B <br /> Lab ID: IPC Instrument Performance Check Sample Run:CVAA_C203_140508A 05/08/14 14:58 <br /> Mercury 0.00508 mg/L 0.00010 102 95 105 <br /> Method: E245.1 Batch:41323 <br /> Lab ID: MB-41323 Method Blank Run:CVAA C203 140508A 05/08/14 15:00 <br /> Mercury ND mg/L 7E-05 <br /> Lab ID: LCS-41323 Laboratory Control Sample Run:CVAA_C203_140508A 05/08/14 15:02 <br /> Mercury 0.00539 mg/L 0.00010 108 85 115 <br /> Lab ID: C14050139-001DMS Sample Matrix Spike Run:CVAA_C203_140508A 05/08/14 15:06 <br /> Mercury 0.00502 mg/L 0.00010 100 75 125 <br /> Lab ID: C14050139-001DMSD Sample Matrix Spike Duplicate Run:CVAA_C203_140508A 05/08/14 15:08 <br /> Mercury 0.00511 mg/L 0.00010 102 75 125 1.9 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 22 of 35 <br />