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• WWW.wwdab.com 951 Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4488 • Casper, WY 888- 235 -0513 <br />AedyLfr�lE�axlNenaSYnai <br />Gillette, WY 886 -866 -7175 •Rapid City, SD 888 -172 -1225 •College Station, TX 888 -690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />12/18/14 <br />Project: Schwartz -GW 12/1/14 S27819 <br />Work Order: <br />C14120084 <br />Analyte <br />Count Result Units <br />RL %REC <br />Low Limit High Limit RPD <br />RPDLimit Quai <br />Method: A5310 C <br />Analytical Run: TOC3- C_141203A <br />Lab ID: ICV -8116 <br />Initial Calibration Verification Standard <br />12/03/14 15:56 <br />Organic Carbon, Total (TOC) <br />9.78 mg /L <br />0.50 <br />98 <br />90 110 <br />Lab ID: CCV -7923 <br />Continuing Calibration Verification <br />Standard <br />12/03/14 16:12 <br />Organic Carbon, Total (TOC) <br />9.67 mg /L <br />0.50 <br />97 <br />90 110 <br />Method: A5310 C <br />Batch: R193989 <br />Lab ID: MBLK <br />Method Blank <br />Run: TOC3- C_141203A <br />12/03/14 15:37 <br />Organic Carbon, Total (TOC) <br />0.04 mg /L <br />0.03 <br />Lab ID: C14120078- 001AMS <br />Sample Matrix Spike <br />Run: TOC3- C_141203A <br />12/03/14 16:43 <br />Organic Carbon, Total (TOC) <br />6.11 mg /L <br />0.50 <br />98 <br />85 115 <br />Lab ID: C14120078- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: TOC3- C_141203A <br />12/03/14 16:58 <br />Organic Carbon, Total (TOC) <br />6.14 mg /L <br />0.50 <br />98 <br />85 115 0.4 <br />10 <br />Lab ID: LCS -8116 <br />Laboratory Control Sample <br />Run: TOC3- C_141203A <br />12/03/14 19:00 <br />Organic Carbon, Total (TOC) <br />10.1 mg /L <br />0.50 <br />101 <br />90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 3 of 12 <br />