2012-12-17_HYDROLOGY - M1977300 (3)

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ENERGY L A HO RATORI ES Client: Cotter Corporation Qualifiers: RL - Analyte reporting limit. ND - Not detected at the reporting limit. R - RPD exceeds advisory limit. www.energylab.com Analytkal Excellence Since 1552 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: 10/18/12 Project: Schwartz GW 9/20/2012 S26607 & S26608 Work Order: 012090782 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qua! Method: E200.8 Sample ID: C12090804- 008AMS 13 Sample Matrix Spike Run: ICPMS4- C_121005A Aluminum 0.220 mg /L 0.0012 88 70 130 Antimony 0.251 mg /L 0.0010 100 70 130 Calcium 535 mg /L 0.033 70 130 Copper 0.220 mg /L 0.0010 88 70 130 Iron 2.99 mg /L 0.0030 37 70 130 Magnesium 197 mg /L 0.014 74 70 130 Manganese 0.499 mg /L 0.0010 91 70 130 Molybdenum 0.227 mg /L 0.0010 91 70 130 Potassium 66.0 mg /L 0.020 74 70 130 Sodium 412 mg /L 0.022 70 130 Thallium 0.255 mg /L 0.0010 102 70 130 Uranium 0.290 mg /L 0.00030 107 70 130 Zinc 0.236 mg /L 0.0011 88 70 130 Batch: R165489 10/05/12 13:58 A S A Sample ID: C12090804- 008AMSD 13 Sample Matrix Spike Duplicate Run: ICPMS4- C_121005A 10/05/12 14:02 Aluminum 0.228 mg /L 0.0012 91 70 130 3.7 20 Antimony 0.263 mg /L 0.0010 105 70 130 4.7 20 Calcium 556 mg /L 0.033 70 130 3.8 20 A Copper 0.234 mg /L 0.0010 94 70 130 6.3 20 Iron 6.94 mg /L 0.0030 90 70 130 80 20 R Magnesium 204 mg /L 0.014 85 70 130 3.9 20 Manganese 0.522 mg /L 0.0010 100 70 130 4.4 20 Molybdenum 0.239 mg /L 0.0010 96 70 130 5.1 20 Potassium 69.4 mg /L 0.020 79 70 130 5.1 20 Sodium 425 mg /L 0.022 70 130 3.3 20 A Thallium 0.269 mg /L 0.0010 107 70 130 5.6 20 Uranium 0.307 mg /L 0.00030 114 70 130 5.7 20 Zinc 0.250 mg /L 0.0011 94 70 130 5.9 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 12 of 21