2011-09-12_HYDROLOGY - M1977300 (2)

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ENERGY LABORATORIES Method: E200.8 Sample ID: LRB Aluminum Antimony Copper Iron Magnesium Manganese Molybdenum Potassium Sodium Thallium Uranium Zinc eo Qualifiers: RL - Analyte reporting limit. ND - Not detected at the reporting limit. R - RPD exceeds advisory limit. wwwenergylab.com Helena, MT 877- 412 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 ksI Excels= Since 1852 Gillette, WY 866 - 686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 - 690 -2218 Client: Cotter Corporation Project: Schwartz SW 07/19/11 S25861 S25868 QA/QC Summary Report Prepared by Casper, WY Branch 12 Method Blank Run: ICPMS4- C_110728A ND mg /L 0.20 ND mg /L 0.0010 ND mg /L 0.0010 ND mg /L 0.030 ND mg /L 0.10 ND mg /L 0.0050 ND mg /L 0.0050 ND mg /L 0.10 ND mg /L 0.10 ND mg /L 0.00020 ND mg /L 0.00020 ND mg /L 0.0050 Sample ID: LFB 12 Laboratory Fortified Blank Run: ICPMS4- C_110728A Aluminum 0.0530 mg /L • 0.0010 106 85 115 Antimony 0.0514 mg /L 0.0010 103 85 115 Copper 0.0542 mg /L 0.0010 108 85 115 Iron 1.33 mg /L 0.012 106 85 115 Magnesium 12.6 mg /L 0.12 101 85 115 Manganese 0.0524 mg /L 0.0010 105 85 115 Molybdenum 0.0519 mg /L 0.0010 104 85 115 Potassium 12.6 mg /L 0.12 100 85 115 Sodium 12.7 mg /L 0.12 101 85 115 Thallium 0.0530 mg /L 0.0010 106 85 115 Uranium 0.0528 mg /L 0.00030 106 85 115 Zinc 0.0571 mg /L 0.0010 113 85 115 Sample ID: C11070767 002BMS4 12 Sample Matrix Spike Run: ICPMS4- C_110728A Aluminum 0.0480 mg /L 0.0010 96 70 130 Antimony 0.0572 mg /L 0.050 114 70 130 Copper 0.0467 mg /L 0.010 91 70 130 Iron 1.20 mg /L 0.030 94 70 130 Magnesium 45.2 mg /L 1.0 85 70 130 Manganese 0.0511 mg /L 0.010 91 70 130 Molybdenum 0.0525 mg /L 0.0010 103 70 130 Potassium 15.8 mg /L 1.0 86 70 130 Sodium 256 mg /L 1.0 70 130 Thallium 0.0515 mg /L 0.0010 103 70 130 Uranium 0.0755 mg /L 0.00030 104 70 130 Zinc 0.0524 mg /L 0.010 101 70 130 Report Date: 08/21/11 Work Order: C11070766 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Batch: R148677A 07/28/11 19:31 07/28/11 19:36 07/29/11 07:45 A Sample ID: C11070767 002BMSD 12 Sample Matrix Spike Duplicate Run: ICPMS4- C_110728A 07/29/11 07:50 Aluminum 0.0708 mg /L 0.0010 142 70 130 38 20 SR Antimony 0.0582 mg /L 0.050 116 70 130 1.7 20 Copper 0.0495 mg /L 0.010 97 70 130 5.8 20 A - The analyte level was greater than four times the spike level. In accordance with the method % recovery is not calculated. MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. Page 18 of 38