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• www.�ergylab.com Helena, NT 877- 472 -0711 • Billings, i1AT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />X"Oal Eaft. tleu 111112 Gillette, WY 866 -686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />12/18/14 <br />Project: <br />Schwartz -GW 12/1/14 <br />S27819 <br />Run: ICP4- C_141205B <br />Work Order: <br />C14120084 <br />Analyte <br />0.005 <br />Count Result Units RL <br />%REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />E200.7 <br />Iron <br />Analytical Run: ICP4- C_141205B <br />Lab ID: <br />ICV <br />Initial Calibration Verification Standard <br />C14120088- 002CMS3 <br />Sample Matrix Spike <br />12/05/14 12:43 <br />Iron <br />Iron <br />5.03 mg /L 0.030 <br />101 95 <br />105 <br />105 70 130 <br />Lab ID: <br />ICSA <br />Interference Check Sample A <br />Run: ICP4- C_141205B <br />12/05/14 12:58 <br />Iron <br />2.80 mg /L <br />178 mg /L 0.030 <br />89 80 <br />120 <br />Lab ID: <br />ICSAB <br />Interference Check Sample AB <br />12/05/14 13:02 <br />Iron <br />180 mg /L 0.030 <br />90 80 <br />120 <br />Method: <br />E200.7 <br />Lab ID: <br />MB -43371 <br />Method Blank <br />Run: ICP4- C_141205B <br />Iron <br />0.005 mg /L <br />0.005 <br />Lab ID: <br />LCS3 -43371 <br />Laboratory Control Sample <br />Run: ICP4- C_141205B <br />Iron <br />2.67 mg /L <br />0.030 <br />107 85 115 <br />Lab ID: <br />C14120088- 002CMS3 <br />Sample Matrix Spike <br />Run: ICP4- C_141205B <br />Iron <br />2.81 mg /L <br />0.030 <br />105 70 130 <br />Lab ID: <br />C14120088- 002CMSD <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_141205B <br />Iron <br />2.80 mg /L <br />0.030 <br />104 70 130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />MR <br />Batch: 43371 <br />12/05/14 22:50 <br />12/05/14 22:53 <br />12/05/14 23:28 <br />12/05/14 23:32 <br />20 <br />Page 5 of 12 <br />