2012-12-17_HYDROLOGY - M1977300 (2)

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ENERGY L. AHO RA TO RI F* Client: Cotter Corporation www.energylab.com Analytical Excellence Since 1052 j Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -0515 Gillette, WY 866 - 686 - 7175 • Rapid City, SD 888 - 672 - 1225 • College Station, TX 888 - 690 - 2218 QA/QC Summary Report Prepared by Casper, WY Branch Report Date: 08/31/12 Project: Schwartz GW 7/26/2012 S26523 Work Order: C12071072 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.8 Analytical Run: ICPMS4- C_120827A Sample ID: ICV 10 Initial Calibration Verification Standard 08/27/12 20:03 Antimony 0.0512 mg /L 0.0010 102 90 110 Arsenic 0.0500 mg /L 0.0010 100 90 110 Chromium 0.0481 mg /L 0.0010 96 90 110 Copper 0.0490 mg /L 0.0010 98 90 110 Lead 0.0488 mg /L 0.0010 98 90 110 Mercury 0.00522 mg /L 0.0010 104 90 110 Silver 0.0199 mg /L 0.0010 100 90 110 Thallium 0.0501 mg /L 0.0010 100 90 110 Uranium 0.0507 mg /L 0.00030 101 90 110 Zinc 0.0512 mg /L 0.0010 102 90 110 Method: E200.8 Sample ID: LRB 10 Method Blank Antimony 0.0003 mg /L 0.0001 Arsenic ND mg /L 5E -05 Chromium ND mg /L 4E -05 Copper ND mg /L 3E -05 Lead ND mg /L 2E -05 Mercury ND mg /L 5E -05 Silver ND mg /L 6E -05 Thallium ND mg /L 6E -05 Uranium 1E-05 mg /L 9E -06 Zinc ND mg /L 0.0002 Batch: R163876 08/27/12 20:25 Sample ID: LFB 10 Laboratory Fortified Blank Run: ICPMS4- C_120827A 08/27/12 20:29 Antimony 0.0489 mg /L 0.0010 97 85 115 Arsenic 0.0520 mg /L 0.0010 104 85 115 Chromium 0.0512 mg /L 0.0010 102 85 115 Copper 0.0510 mg /L 0.0010 102 85 115 Lead 0.0513 mg /L 0.0010 103 85 115 Mercury 0.00514 mg /L 0.0010 103 85 115 Silver 0.0205 mg /L 0.0010 103 85 115 Thallium 0.0537 mg /L 0.0010 107 85 115 Uranium 0.0525 mg /L 0.00030 105 85 115 Zinc 0.0550 mg /L 0.0010 110 85 115 Sample ID: C12080079 -002BMS4 10 Sample Matrix Spike Run: ICPMS4- C_120827A 08/27/12 23:18 Antimony 0.0541 mg /L 0.0010 108 70 130 Arsenic 0.0577 mg /L 0.0010 107 70 130 Chromium 0.0505 mg /L 0.0050 101 70 130 Copper 0.0477 mg /L 0.0050 95 70 130 Lead 0.0536 mg /L 0.0010 107 70 130 Mercury 0.00532 mg /L 0.00010 106 70 130 Silver 0.0140 mg /L 0.0010 70 70 130 Thallium 0.0559 mg /L 0.00050 112 70 130 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration Run: ICPMS4-C_120827A ND - Not detected at the reporting limit. Page 10 of 20