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- www.dwesb.com Helena, W 877 -472 -0711 • Billings, MT 806- 135 -4489 • Casper, WY 888- 235 -0515 <br />• �"h°I°�E"1Q1�4" <br />OR Gillette, WY 866 -686 -7175 • Rapid City, SD 886 -612 -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 />10/15/13 <br />Project: Schwartz SW 9/10/13 S27157 <br />Work Order: <br />C13090392 <br />[ Analyte <br />Count Result <br />Units <br />RL <br />° /.REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Analytical Run: ICP4- C_130916A <br />Sample ID: ICV <br />6 <br />Initial Calibration Verification Standard <br />09/16/13 12:01 <br />Aluminum <br />5.03 <br />mg /L <br />0.10 <br />101 <br />95 <br />105 <br />Boron <br />1.00 <br />mg /L <br />0.10 <br />100 <br />95 <br />105 <br />Iron <br />4.90 <br />mg /L <br />0.030 <br />98 <br />95 <br />105 <br />Manganese <br />4.89 <br />mg /L <br />0.010 <br />98 <br />95 <br />105 <br />Molybdenum <br />0.995 <br />mg /L <br />0.10 <br />100 <br />95 <br />105 <br />Zinc <br />0.960 <br />mg /L <br />0.010 <br />96 <br />95 <br />105 <br />Sample ID: ICSA <br />6 <br />Interference Check Sample A <br />09/16/13 12:15 <br />Aluminum <br />487 <br />mg /L <br />0.10 <br />97 <br />80 <br />120 <br />Boron <br />0.0150 <br />mg /L <br />0.10 <br />Iron <br />172 <br />mg /L <br />0.030 <br />86 <br />80 <br />120 <br />Manganese <br />- 0.0143 <br />mg /L <br />0.010 <br />Molybdenum <br />0.00174 <br />mg /L <br />0.10 <br />Zinc <br />0.00262 <br />mg /L <br />0.010 <br />Sample ID: ICSAB <br />6 <br />Interference Check Sample AB <br />09/16/13 12:19 <br />Aluminum <br />484 <br />mg /L <br />0.10 <br />97 <br />80 <br />120 <br />Boron <br />0.0133 <br />mg /L <br />0.10 <br />Iron <br />173 <br />mg /L <br />0.030 <br />86 <br />80 <br />120 <br />Manganese <br />0.430 <br />mg /L <br />0.010 <br />86 <br />80 <br />120 <br />Molybdenum <br />- 0.000260 <br />mg /L <br />0.10 <br />Zinc <br />0.832 <br />mg /L <br />0.010 <br />83 <br />80 <br />120 <br />Method: E200.7 <br />Batch: 39022 <br />Sample ID: MB -39022 <br />6 <br />Method Blank <br />Run: ICP4 -C 130916A <br />09/16/13 16.35 <br />Aluminum <br />ND <br />mg /L <br />0.01 <br />Boron <br />ND <br />mg /L <br />0.003 <br />Iron <br />ND <br />mg /L <br />0.004 <br />Manganese <br />ND <br />mg /L <br />0.0002 <br />Molybdenum <br />ND <br />mg /L <br />0.003 <br />Zinc <br />ND <br />mg /L <br />0.001 <br />Sample ID: LCS3 -39022 <br />6 <br />Laboratory Control <br />Sample <br />Run: ICP4- C_130916A <br />09/16/13 16:38 <br />Aluminum <br />2.51 <br />mg /L <br />0.030 <br />100 <br />85 <br />115 <br />Boron <br />0.492 <br />mg /L <br />0.050 <br />98 <br />85 <br />115 <br />Iron <br />2.52 <br />mg /L <br />0.030 <br />101 <br />85 <br />115 <br />Manganese <br />2.44 <br />mg /L <br />0.0010 <br />98 <br />85 <br />115 <br />Molybdenum <br />0.495 <br />mg /L <br />0.0028 <br />99 <br />85 <br />115 <br />Zinc <br />0.484 <br />mg /L <br />0.010 <br />97 <br />85 <br />115 <br />Sample ID: C13090392- 001DMS3 <br />6 <br />Sample Matrix Spike <br />Run: ICP4- C_130916A <br />09/16/13 17:00 <br />Aluminum <br />3.88 <br />mg /L <br />0.030 <br />110 <br />70 <br />130 <br />Boron <br />0.520 <br />mg /L <br />0.050 <br />99 <br />70 <br />130 <br />Iron <br />4.18 <br />mg /L <br />0.030 <br />91 <br />70 <br />130 <br />Manganese <br />2.54 <br />mg /L <br />00010 <br />98 <br />70 <br />130 <br />Molybdenum <br />0.497 <br />mg /L <br />0.0028 <br />98 <br />70 <br />130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 10 of 26 <br />