2012-12-17_HYDROLOGY - M1977300 (2)

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ENERGY LABORATORIES www.energylab.com j Helena, MT 877 472 - 0711 • Billings, MT 800 - 735 - 4489 • Casper, WY 888 235 - 0515 MII7&3f Excellence Since 1952 J 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 Client: Cotter Corporation 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: E200.7 Analytical Run: ICP4-C_120821A Sample ID: ICV 3 Initial Calibration Verification Standard 08/21/12 15:42 Aluminum 4.80 mg /L 0.10 96 95 105 Potassium 48.8 mg /L 0.50 98 95 105 Sodium 50.3 mg /L 0.50 101 95 105 Sample ID: ICSA 3 Interference Check Sample A 08/21/12 15:56 Aluminum 470 mg /L 0.10 94 80 120 Potassium 0.00691 mg /L 0.50 Sodium 0.471 mg /L 0.50 Sample ID: ICSAB 3 Interference Check Sample AB Aluminum 481 mg /L 0.10 96 80 120 Potassium 0.00715 mg /L 0.50 Sodium 0.326 mg /L 0.50 Method: E200.7 Sample ID: MB- 120821A 3 Method Blank Aluminum ND mg /L 0.009 Potassium ND mg /L 0.04 Sodium ND mg /L 0.2 Run: ICP4-C_120821A Sample ID: LFB- 120821A 3 Laboratory Fortified Blank Run: ICP4- C_120821A Aluminum 0.933 mg /L 0.10 93 85 115 Potassium 47.3 mg /L 0.50 95 85 115 Sodium 47.6 mg /L 0.50 95 85 115 Sample ID: C12080001 -003BMS2 3 Sample Matrix Spike Run: ICP4- C_120821A Aluminum 0.846 mg /L 0.030 83 70 130 Potassium 46.1 mg /L 1.0 79 70 130 Sodium 69.6 mg /L 1.0 78 70 130 Sample ID: C12080001 -003BMSD 3 Sample Matrix Spike Duplicate Run: ICP4- C_120821A 08/21/12 18:04 Aluminum 0.798 mg /L 0.030 78 70 130 5.9 20 Potassium 43.0 mg /L 1.0 73 70 130 6.9 20 Sodium 65.2 mg /L 1.0 69 70 130 6.5 20 S Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration ND - Not detected at the reporting limit. S - Spike recovery outside of advisory limits. Page 9 of 20 08/21/12 16:00 Batch: R163591 08/21/12 16:04 08/21/12 16:08 08/21/12 18:01