2013-04-11_HYDROLOGY - M1977300 (2)

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ENERGY LA HCJ H OH I Client: Cotter Corporation Analyte Method: E200.7 Sample ID: ICV Aluminum Calcium Iron Magnesium Manganese Potassium Sodium Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration www.energyiab.com I Helena, MT 877 472 - 0711 • Billings, MT 800 735 - 4489 • Casper, WY 888 235 - 0515 Analytical Excellence Sim 1052 ) 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 Project: Schwartz SW 2/19/13 S26797 Work Order: C13020606 Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Analytical Run: ICP4- C_130221A 7 Initial Calibration Verification Standard 02/21/13 15:04 5.01 mg /L 49.3 mg /L 5.01 mg /L 49.5 mg /L 4.87 mg /L 48.8 mg /L 50.7 mg /L 0.10 100 95 105 0.50 99 95 105 0.030 100 95 105 0.50 99 95 105 0.010 97 95 105 0.50 98 95 105 0.50 101 95 105 Sample ID: ICSA 7 Interference Check Sample A Aluminum 482 mg /L 0.10 96 80 120 Calcium 439 mg /L 0.50 88 80 120 Iron 170 mg /L 0.030 85 80 120 Magnesium 490 mg /L 0.50 98 80 120 Manganese - 0.00165 mg /L 0.010 Potassium 0.0252 mg /L 0.50 Sodium 0.219 mg /L 0.50 Sample ID: ICSAB 7 Interference Check Sample AB Aluminum 478 mg /L 010 96 80 120 Calcium 442 mg /L 0.50 88 80 120 Iron 173 mg /L 0.030 86 80 120 Magnesium 491 mg /L 0.50 98 80 120 Manganese 0.439 mg /L 0.010 88 80 120 Potassium 0.0126 mg /L 0.50 Sodium 0.242 mg /L 0.50 Method: E200.7 Sample ID: MB- 130221A 7 Method Blank Aluminum ND mg /L 0.009 Calcium ND mg /L 0.02 Iron ND mg /L 0.002 Magnesium ND mg /L 0.01 Manganese ND mg /L 0.0010 Potassium ND mg /L 0.04 Sodium ND mg /L 0.2 Run: ICP4-C_130221A Sample ID: LFB- 130221A 7 Laboratory Fortified Blank Run: ICP4- C_130221A Aluminum 0.967 mg /L 0.10 97 85 115 Calcium 47.8 mg /L 0.50 96 85 115 Iron 0.951 mg /L 0.030 95 85 115 Magnesium 48.0 mg /L 0.50 96 85 115 Manganese 0.942 mg /L 0.010 94 85 115 Potassium 47.0 mg /L 0.50 94 85 115 Sodium 48.4 mg /L 0.50 97 85 115 ND - Not detected at the reporting limit. Report Date: 03/21/13 02/21/13 15:18 02/21/13 15:23 Batch: R170635 02/21/13 15:41 02/21/13 15:45 Page 10 of 26