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• www.er*Wab.com Helena, MT 871472 -0711 • Billings, MT 608- 7354489 • Casper, WY 808 -235 -0515 <br />you Gillette, WY 866 -686 -7175 • Rapid City, SD 880- 672 -1225 • College Station, T% 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch Revised Date: 09/12/13 <br />Client: Cotter Corporation Report Date: 09/05/13 <br />Project: Schwartz -SW 8/7/13 S27022 Work Order: C13080331 <br />Analyte Count Result Units RL ° /diEC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 Batch: 38662 <br />Sample lD: C13080324- 001BMSD3 5 Sample Matrix Spike Duplicate Run: ICP2- C_130814A 08/14/13 12:21 <br />Molybdenum 0.548 mg /L 0.0023 101 70 130 1.3 20 <br />Zinc 0.623 mg /L 0.010 103 70 130 1.0 20 <br />Method: E200.7 Analytical Run: ICP4- C_130815A <br />Sample ID: ICV Initial Calibration Verification Standard 08/15/13 11:32 <br />Boron <br />0.988 mg /L <br />0.10 <br />99 <br />95 105 <br />Sample ID: <br />ICSA <br />Interference Check Sample A <br />08/15/13 11:47 <br />Boron <br />0.0135 mg /L <br />0.10 <br />Sample ID: <br />ICSAB <br />Interference Check Sample AB <br />08/15/13 11:51 <br />Boron <br />0.0164 mg /L <br />0.10 <br />Method: <br />E200.7 <br />Batch: 38662 <br />Sample ID: <br />MB -38662 <br />Method Blank <br />Run: ICP4- C_130815A <br />08/15/13 12:20 <br />Boron <br />0.009 mg /L <br />0.003 <br />Sample ID: <br />LCS3 -38662 <br />Laboratory Control Sample <br />Run: ICP4- C_130815A <br />08/15/13 12:23 <br />Boron <br />0.502 mg /L <br />0.050 <br />99 <br />85 115 <br />Sample ID: <br />C13080324 -001 BMS3 <br />Sample Matrix Spike <br />Run: ICP4- C_130815A <br />08/15/13 12:31 <br />Boron <br />1.52 mg /L <br />0.050 <br />107 <br />70 130 <br />Sample ID: <br />013080324 -001 BMSD3 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_130815A <br />08/15/13 1234 <br />Boron <br />1.53 mg /L <br />0.050 <br />110 <br />70 130 <br />1.0 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 26 <br />