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■ www.ew#ab.com Helena, W 877 -472 -0711 • Billings, W 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />aesty"Erc ftwDW 1952 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 />Report Date: <br />05/01/13 <br />Project: Schwartz SW 4/03/13 S26860 <br />Work Order: <br />C13040198 <br />Analyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Batch: 37059 <br />Sample ID: C13040184 -001 BMS3 <br />6 Sample Matrix <br />Spike <br />Run: ICP4- C_130408A <br />04/08/13 16:54 <br />Zinc <br />0.49 <br />mg /L <br />0.010 <br />95 <br />70 <br />130 <br />Sample ID: C13040184 -001 BMSD <br />6 Sample Matrix <br />Spike Duplicate <br />Run: ICP4- C_130408A <br />04/08/13 16.57 <br />Aluminum <br />2.6 <br />mg /L <br />0.10 <br />101 <br />70 <br />130 <br />1.1 <br />20 <br />Boron <br />0.63 <br />mg /L <br />0.10 <br />98 <br />70 <br />130 <br />0.5 <br />20 <br />Iron <br />2.6 <br />mg /L <br />0.030 <br />100 <br />70 <br />130 <br />0.8 <br />20 <br />Manganese <br />2.5 <br />mg /L <br />0.010 <br />99 <br />70 <br />130 <br />1.8 <br />20 <br />Molybdenum <br />0.49 <br />mg /L <br />0.10 <br />99 <br />70 <br />130 <br />2.8 <br />20 <br />Zinc <br />0.49 <br />mg /L <br />0.010 <br />96 <br />70 <br />130 <br />1.3 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 11 of 25 <br />