2012-12-17_HYDROLOGY - M1977300 (2)

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ENERGY LABORATORIES Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration www.energylab.com Helena, MT 817 472 - 0111 • Billings, MT 800 735 - 4489 • Casper, WY 888 - 235 - 0515 Anirytlrsl Engine Slnca 1852 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: 10/18/12 Project: Schwartz -GW 9/6/12 S26563 Work Order: C12090274 r Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.7 Analytical Run: ICP4- C_121008A Sample ID: ICV 3 Initial Calibration Verification Standard 10/08/12 12:50 Aluminum 4.80 mg /L 0.10 96 95 105 Calcium 49.8 mg /L 0.50 100 95 105 Magnesium 49.6 mg /L 0.50 99 95 105 Sample ID: ICSA 3 Interference Check Sample A 10/08/12 13:04 Aluminum 460 mg /L 0.10 92 80 120 Calcium 445 mg /L 0.50 89 80 120 Magnesium 507 mg /L 0.50 101 80 120 Sample ID: ICSAB 3 Interference Check Sample AB 10/08/12 13:08 Aluminum 454 mg /L 0.10 91 80 120 Calcium 443 mg /L 0.50 89 80 120 Magnesium 506 mg /L 0 50 101 80 120 Method: E200.7 Sample ID: MB- 121008A 3 Method Blank Run: ICP4- C_121008A Aluminum ND mg /L 0.009 Calcium ND mg /L 0.02 Magnesium ND mg /L 0.01 Sample ID: LFB- 121008A 3 Laboratory Fortified Blank Run: ICP4- C_121008A Aluminum 0.937 mg /L 0.10 94 85 115 Calcium 48.3 mg /L 0.50 97 85 115 Magnesium 47.9 mg /L 0.50 96 85 115 Sample ID: C12090899 -001 BMS2 3 Sample Matrix Spike Run: ICP4- C_121008A 10/08/12 16:57 Antimony 0.989 mg /L 0.015 97 70 130 Calcium 85.5 mg /L 1.0 98 70 130 Magnesium 73.0 mg /L 1.0 100 70 130 Sample ID: 012090899- 001BMSD 3 Sample Matrix Spike Duplicate Run: ICP4- C_121008A 10/08/12 17:00 Antimony 0.931 mg /L 0.015 91 70 130 6.0 20 Calcium 79.1 mg /L 1.0 85 70 130 7.8 20 Magnesium 67.8 mg /L 1.0 90 70 130 7.4 20 ND - Not detected at the reporting limit. Batch: R165524 10/08/12 13:27 10/08/12 13:30 Page 10 of 23