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\ • wwwergylab.com ( Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 - 235 -0515 <br />Gillette, WY 866 -686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />E200.7 <br />Sample ID: <br />MB -38180 <br />Report Date: <br />08/05/13 <br />Project: Schwartz GW 6/28/13 <br />S27040 <br />Zinc <br />ND mg /L <br />Work Order: <br />013070012 <br />[Analyte <br />Count Result Units <br />RL <br />° /6REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.7 <br />C13070027- 009BMS3 <br />2 Sample Matrix Spike <br />Iron <br />94 <br />Analytical Run: ICP4- C_130717A <br />Sample ID: ICV <br />2 Initial Calibration Verification Standard <br />1.33 mg /L <br />Sample ID: <br />013070027- 009BMSD3 <br />07/17/13 11:57 <br />Iron <br />4.99 mg /L <br />0.030 <br />100 <br />95 <br />105 <br />Zinc <br />0.950 mg /L <br />0.010 <br />95 <br />95 <br />105 <br />70 130 1.3 <br />Sample ID: ICSA <br />2 Interference Check Sample A <br />95 <br />70 130 2.6 <br />20 <br />07/17/13 12:11 <br />Iron <br />176 mg /L <br />0.030 <br />88 <br />80 <br />120 <br />Zinc <br />0.00491 mg /L <br />0.010 <br />Sample ID: ICSAB <br />2 Interference Check Sample AB <br />07/17/13 12:15 <br />Iron <br />177 mg /L <br />0.030 <br />89 <br />80 <br />120 <br />Zinc <br />0.813 mg /L <br />0.010 <br />81 <br />80 <br />120 <br />Method: <br />E200.7 <br />Sample ID: <br />MB -38180 <br />2 Method Blank <br />Iron <br />07/17/13 23:43 <br />ND mg /L <br />Zinc <br />ND mg /L <br />Sample ID: <br />LCS3 -38180 <br />2 Laboratory Control Sample <br />Iron <br />2.44 mg /L <br />Zinc <br />07/17/13 2346 <br />0.472 mg /L <br />Sample ID: <br />C13070027- 009BMS3 <br />2 Sample Matrix Spike <br />Iron <br />94 <br />32.7 mg /L <br />Zinc <br />1.33 mg /L <br />Sample ID: <br />013070027- 009BMSD3 <br />2 Sample Matrix Spike Duplicate <br />Iron <br />70 130 <br />32.3 mg /L <br />Zinc <br />99 <br />1.30 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 9 of 21 <br />Batch: 38180 <br />Run: ICP4- C_130717A <br />07/17/13 23:43 <br />0.004 <br />0.001 <br />Run: ICP4- C_130717A <br />07/17/13 2346 <br />0.030 <br />98 <br />85 115 <br />0.010 <br />94 <br />85 115 <br />Run: ICP4- C_130717A <br />07/18/13 00:01 <br />0.16 <br />70 130 <br />A <br />0.056 <br />99 <br />70 130 <br />Run: ICP4- C_130717A <br />07/18/13 00.05 <br />0.16 <br />70 130 1.3 <br />20 A <br />0.056 <br />95 <br />70 130 2.6 <br />20 <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 9 of 21 <br />