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• www.enerdab.com ( Helena, MT 677- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />LU "a ° 19u J Gillette, WY 866- 666 -7175 • Rapid City, SD 888- 672 -1225 • Couege Station, Tx 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -SW 9/4/14 S27661 <br />Analyte Count Result Units <br />Method: E200.7 <br />Lab ID: C14090226- 001DMS3 <br />6 Sample Matrix Spike <br />Zinc <br />0.47 mg /L <br />Lab ID: 014090226- 001DMSD <br />6 Sample Matrix Spike Duplicate <br />Aluminum <br />2.6 mg /L <br />Boron <br />0.53 mg /L <br />Iron <br />2.7 mg /L <br />Manganese <br />2.5 mg /L <br />Molybdenum <br />0.51 mg /L <br />Zinc <br />0.47 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 13 of 26 <br />Report Date: <br />09/30/14 <br />Work Order: <br />C14090226 <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Batch: 42552 <br />Run: ICP4-C140911 A <br />09/11/1415:30 <br />0.010 <br />95 <br />70 <br />130 <br />Run: ICP4 -C 140911A <br />09/11/1415:34 <br />0.10 <br />105 <br />70 <br />130 <br />1.0 <br />20 <br />0.10 <br />100 <br />70 <br />130 <br />0.3 <br />20 <br />0.030 <br />101 <br />70 <br />130 <br />0.4 <br />20 <br />0.010 <br />97 <br />70 <br />130 <br />0.5 <br />20 <br />0.10 <br />99 <br />70 <br />130 <br />1.0 <br />20 <br />0.010 <br />95 <br />70 <br />130 <br />0.3 <br />20 <br />ND - Not detected at the reporting limit. <br />Page 13 of 26 <br />