2011-07-28_HYDROLOGY - M1977300 (2)

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ENERGY A=3C7 R NIT) RIFS 10 Client: Cotter Corporation Project: Schwartz GW 6/8/11 S25836 Method: E200.8 Sample ID: MB -30176 Aluminum Antimony Arsenic Copper Iron Lead Manganese Silver Thallium Zinc Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration www.ea grgylab.com Helena, MT 877 - 472 -0711 • Billings, MT 800.735 -4489 • Casper, WY 888- 235 -0515 Arrittical Embaer'Skias 7952 I Gillette, WY 866 - 686 -7175 • Rapid City, SO 888 - 872 -1225 • College Station, TX 888 - 690 -2218 10 Method Blank 0.001 mg /L 0.001 mg /L 0.0008 mg /L 0.0009 mg /L 0.003 mg /L ND mg /L 0.0006 mg /L ND mg /L ND mg /L 0.002 mg /L QA/QC Summary Report Prepared by Casper, WY Branch Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual 0.0008 0.0003 5E -05 5E -05 0.001 5E-05 2E -05 4E -05 0.0001 0.001 Run: ICPMS4 -C 110620A Sample ID: LCS3 -30176 10 Laboratory Control Sample Run: ICPMS4- C_110620A 06/20/11 23:30 Aluminum 2.49 mg /L 0.10 99 85 115 Antimony 0.564 mg /L 0.050 113 85 115 Arsenic 0.501 mg /L 0.0010 100 85 115 Copper 0.505 mg /L 0.010 101 85 115 Iron 2.48 mg /L 0.030 99 85 115 Lead 0.506 mg /L 0.050 101 85 115 Manganese 2.51 mg /L 0.010 100 85 115 Silver 0.0479 mg /L 0.010 96 85 115 Thallium 0.498 mg /L 0.10 100 85 115 Zinc 0.509 mg /L 0.010 101 85 115 Sample ID: C11060651- 001BMS3 10 Sample Matrix Spike Run: ICPMS4- C_110620A 06/21/11 02:57 Aluminum 2.49 mg /L 0.10 100 70 130 Antimony 0.552 mg /L 0.050 110 70 130 Arsenic 0.540 mg /L 0.0010 108 70 130 Copper 0.484 mg /L 0.010 97 70 130 Iron 2.54 mg /L 0.030 101 70 130 Lead 0.527 mg /L 0.050 105 70 130 Manganese 2.53 mg /L 0.010 101 70 130 Silver 0.0432 mg /L 0.010 86 70 130 Thallium 0.524 mg /L 0.10 105 70 130 Zinc 0.419 mg /L 0.010 84 70 130 Sample ID: C11060651- 001BMSD 10 Sample Matrix Spike Duplicate Run: ICPMS4- C_110620A 06/21/11 03:04 Aluminum 2.48 mg /L 0.10 99 70 130 0.4 20 Antimony 0.540 mg /L 0.050 108 70 130 2.4 20 Arsenic 0.533 mg /L 0.0010 107 70 130 1.3 20 Copper 0.475 mg /L 0.010 95 70 130 2.0 20 Iron 2.54 mg /L 0.030 102 70 130 0.2 20 Lead 0.521 mg /L 0.050 104 70 130 1.1 20 Manganese 2.50 mg /L 0.010 100 70 130 1.4 20 Silver 0.0434 mg /L 0.010 87 70 130 0.5 20 Thallium 0.523 mg /L 0.10 105 70 130 0.1 20 Zinc 0.413 mg /L 0.010 83 70 130 1.5 20 ND - Not detected at the reporting limit. Report Date: 07/28/11 Work Order: C11060459 Page 9 of 19 Batch: 30176 06/20/11 23:23