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www.eriergylab.com Helena, W 077- 472 -0711 • Billings, W 800 -735 -4469 • Casper, WY 888- 235 -0515 <br />''M I Gillette, WY 866 -686 -7175 • Rapid City, SO 886 -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 />12/10/13 <br />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 <br />Work Order: <br />C13110305 <br />Analyte <br />Count <br />Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual ll <br />Method: E200.7 <br />Analytical Run: ICP2- C_131122A <br />Sample ID: ICV <br />6 <br />Initial Calibration Verification Standard <br />11/22/13 13:06 <br />Aluminum <br />4.79 mg /L <br />0.10 <br />96 <br />95 <br />105 <br />Calcium <br />50.4 mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Iron <br />5.13 mg /L <br />0.030 <br />103 <br />95 <br />105 <br />Magnesium <br />50.2 mg /L <br />0.50 <br />100 <br />95 <br />105 <br />Manganese <br />5.01 mg /L <br />0.010 <br />100 <br />95 <br />105 <br />Zinc <br />0.985 mg /L <br />0.010 <br />99 <br />95 <br />105 <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />11/22/13 13:19 <br />Potassium <br />50.6 mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Sample ID: ICSA <br />7 <br />Interference Check Sample A <br />11/22/13 13:48 <br />Aluminum <br />508 mg /L <br />0.10 <br />102 <br />80 <br />120 <br />Calcium <br />504 mg /L <br />0.50 <br />101 <br />80 <br />120 <br />Iron <br />191 mg /L <br />0.030 <br />95 <br />80 <br />120 <br />Magnesium <br />515 mg /L <br />0.50 <br />103 <br />80 <br />120 <br />Manganese <br />- 0.000300 mg /L <br />0.010 <br />Potassium <br />- 0.00600 mg /L <br />0.50 <br />Zinc <br />- 0.0132 mg /L <br />0.010 <br />Sample ID: ICSAB <br />7 <br />Interference Check Sample AB <br />11/22/13 13:52 <br />Aluminum <br />519 mg /L <br />0.10 <br />104 <br />80 <br />120 <br />Calcium <br />515 mg /L <br />0.50 <br />103 <br />80 <br />120 <br />Iron <br />192 mg /L <br />0.030 <br />96 <br />80 <br />120 <br />Magnesium <br />511 mg /L <br />0.50 <br />102 <br />80 <br />120 <br />Manganese <br />0.499 mg /L <br />0.010 <br />100 <br />80 <br />120 <br />Potassium <br />- 0.00720 mg /L <br />0.50 <br />Zinc <br />0.998 mg /L <br />0.010 <br />100 <br />80 <br />120 <br />Method: E200.7 <br />Batch: R181147 <br />Sample ID: MB- 131122A <br />7 <br />Method Blank <br />Run: ICP2 -C 131122A <br />11/22/13 14:16 <br />Aluminum <br />ND mg /L <br />0.01 <br />Calcium <br />ND mg /L <br />0.06 <br />Iron <br />ND mg /L <br />0.001 <br />Magnesium <br />ND mg /L <br />0.03 <br />Manganese <br />ND mg /L <br />0.0002 <br />Potassium <br />ND mg /L <br />0.06 <br />Zinc <br />ND mg /L <br />0.002 <br />Sample ID: LFB- 131122A <br />7 <br />Laboratory Fortified Blank <br />Run: ICP2- C_131122A <br />11/22/13 14:20 <br />Aluminum <br />0.948 mg /L <br />0.10 <br />95 <br />85 <br />115 <br />Calcium <br />49.1 mg /L <br />0.50 <br />98 <br />85 <br />115 <br />Iron <br />0.985 mg /L <br />0.030 <br />99 <br />85 <br />115 <br />Magnesium <br />49.6 mg /L <br />0.50 <br />99 <br />85 <br />115 <br />Manganese <br />0.960 mg /L <br />0.010 <br />96 <br />85 <br />115 <br />Potassium <br />50.0 mg /L <br />2.7 <br />100 <br />85 <br />115 <br />Zinc <br />0.958 mg /L <br />0.010 <br />96 <br />85 <br />115 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 12 of 30 <br />