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www.e aolab.com j Helena, MT 877- 472 -0711 • Billings, W 800- 735 -4488 • Casper, WY 888- 235 -8515 <br />Aeayticsl6ar ra Stan 1l3Y Gillette, WY 866 -086 -7175 • Rapid City, SO 886 -672 -1225 • College Station, TX 888 -600 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 12/05/13 <br />Project: Schwartz GW 11/12/13 S27218 Work Order: C13110612 <br />Analyte Count Result Units RL ° /aREC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 Analytical Run: ICP2- C_131122A <br />Sample ID: ICV 7 Initial Calibration Verification Standard 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 />Sodium <br />52.2 mg /L <br />0.50 <br />104 <br />95 <br />105 <br />Uranium <br />5.19 mg /L <br />1.0 <br />104 <br />95 <br />105 <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />Aluminum <br />0.948 mg /L <br />0.10 <br />Potassium <br />50.6 mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Sample ID: ICSA <br />8 Interference Check Sample A <br />99 85 115 <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 />Sodium <br />0.156 mg /L <br />0.50 <br />Uranium <br />0.0845 mg /L <br />1.0 <br />Sample ID: ICSAB <br />8 Interference Check Sample AB <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 />Sodium <br />0.249 mg /L <br />0.50 <br />Uranium <br />0.0910 mg /L <br />1.0 <br />11/22/13 13:19 <br />11/22/13 13:48 <br />11/22/13 13:52 <br />Method: E200.7 <br />Batch: R181147 <br />Sample ID: MB- 131122A <br />8 Method Blank <br />Run: ICP2- C_131122A 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 />Sodium <br />ND mg /L <br />0.3 <br />Uranium <br />ND mg /L <br />0.3 <br />Sample ID: LFB- 131122A <br />8 Laboratory Fortified Blank <br />Run: ICP2- C_131122A 11/22/13 14:20 <br />Aluminum <br />0.948 mg /L <br />0.10 <br />95 85 115 <br />Calcium <br />49.1 mg /L <br />0.50 <br />98 85 115 <br />Iron <br />0.985 mg /L <br />0.030 <br />99 85 115 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 8 of 21 <br />