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www.enerZ4ab.com Helena, MT 877 -472 -0711 * Billings, W 808- 735 -4489 • Casper, WY 888 -235 -0515 <br />A-)I" 's swim I Gillette, WY 886 -686 -7175 • Rapid City, SO 866- 672 -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 />08/29/13 <br />Project: Schwartz -GW 8/2/13 <br />S27063 <br />Work Order: <br />C13080122 <br />[ Analyte <br />Count Result Units <br />RL <br />%aREC <br />Low Limit High Limit RPD <br />RPDL,mit Qua, <br />Method: A5310 C <br />Analytical Run: TOC 1- C_130806A <br />Sample ID: ICV -7265 <br />Initial Calibration Verification Standard <br />08/06/13 09:19 <br />Organic Carbon, Total (TOC) <br />10.3 mg /L <br />0.50 <br />103 <br />90 110 <br />Sample ID: CCV -7343 <br />Continuing Calibration Verification <br />Standard <br />08/06/13 09:31 <br />Organic Carbon, Total (TOC) <br />9.91 mg /L <br />0.50 <br />99 <br />90 110 <br />Method: A5310 C <br />Batch: R176799 <br />Sample ID: MBLK <br />Method Blank <br />Run: TOC1 -C-1 30806A <br />08/06/13 09:44 <br />Organic Carbon, Total (TOC) <br />ND mg /L <br />003 <br />Sample ID: C13080077- 002AMS <br />Sample Matrix Spike <br />Run: TOC1- C_130806A <br />08/06/13 12:07 <br />Organic Carbon, Total (TOC) <br />6.60 mg /L <br />0.50 <br />106 <br />85 115 <br />Sample ID: C13080077- 002AMSD <br />Sample Matrix Spike Duplicate <br />Run: TOC1- C_130806A <br />08/06/13 12:18 <br />Organic Carbon, Total (TOC) <br />6.66 mg /L <br />0.50 <br />107 <br />85 115 0.9 <br />10 <br />Sample ID: LCS -7265 <br />Laboratory Control Sample <br />Run: TOC1- C_130806A <br />08/06/13 15:06 <br />Organic Carbon, Total (TOC) <br />10.3 mg /L <br />0.50 <br />103 <br />90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 4 of 12 <br />