2013-04-11_HYDROLOGY - M1977300 (2)

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ENERGY L SO r7&r ORI ES Client: Cotter Corporation Analyte Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration www.energylab.com ( Helena, MT 877 472 - 0711 • Billings, MT 800 735 - 4489 • Casper, WY 888 235 - 0515 Analytical Excellence Uwe 102 . Gillette, WY 866 - 886 - 7175 • Rapid City, SD 888 672 - 1225 • College Station, TX 888 690 - 2218 Count Result Units QA/QC Summary Report Prepared by Casper, WY Branch Project: Schwartz SW 2/19/13 S26797 Work Order: 013020606 Method: E200.7 Sample ID: ICV 7 Initial Calibration Verification Standard Aluminum 4.96 mg /L 0.10 99 95 105 Arsenic 1.05 mg /L 0.10 105 95 105 Boron 1.02 mg /L 0.10 102 95 105 Chromium 0.953 mg /L 0.050 95 95 105 Iron 4.84 mg /L 0.030 97 95 105 Manganese 4.88 mg /L 0.010 98 95 105 Zinc 0.976 mg /L 0.010 98 95 105 Sample ID: ICSA 7 Interference Check Sample A Aluminum 470 mg /L 0.10 94 80 120 Arsenic 0.0141 mg /L 0.10 Boron 0.0146 mg /L 0.10 Chromium - 0.00777 mg /L 0.050 Iron 168 mg /L 0.030 84 80 120 Manganese - 0.000870 mg /L 0.010 Zinc 0.0193 mg /L 0.010 Sample ID: ICSAB 7 Interference Check Sample AB 02/25/13 14:15 Aluminum 468 mg /L 0.10 94 80 120 Arsenic 0.0408 mg /L 0.10 Boron 0.00932 mg /L 0.10 Chromium 0.421 mg /L 0.050 84 80 120 Iron 167 mg /L 0.030 84 80 120 Manganese 0.438 mg /L 0.010 88 80 120 Zinc 0.857 mg /L 0.010 86 80 120 Method: E200.7 Sample ID: MB -36622 7 Method Blank Aluminum ND mg /L 0.01 Arsenic ND mg /L 0.009 Boron ND mg /L 0.003 Chromium ND mg /L 0.001 Iron ND mg /L 0.004 Manganese ND mg /L 0.0002 Zinc 0.004 mg /L 0.001 RL %REC Low Limit High Limit RPD RPDLimit Qual Run: ICP4 -C 130225A Sample ID: LCS3 - 36622 7 Laboratory Control Sample Run: ICP4- C_130225A Aluminum 2.60 mg /L 0.030 104 85 115 Arsenic 0.575 mg /L 0.0090 115 85 115 Boron 0.511 mg /L 0.050 102 85 115 Chromium 0.508 mg /L 0.0050 102 85 115 Iron 2.59 mg /L 0.030 104 85 115 Manganese 2.55 mg /L 0.0010 102 85 115 Zinc 0.504 mg /L 0.010 100 85 115 ND - Not detected at the reporting limit. Report Date: 03/21/13 Analytical Run: ICP4- C_130225A 02/25/13 13:57 02/25/13 14:11 Batch: 36622 02/25/13 17:29 02/25/13 17:32 Page 12 of 26