2012-12-17_HYDROLOGY - M1977300 (2)

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ENERGY LABORATORIF S Client: Cotter Corporation • yowtenergylab.corn Analytical Excellence Since 1952 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 9/6/12 S26563 Work Order: C12090274 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Dual Method: E300.0 Sample ID: ICV- 091212 -10 2 Initial Calibration Verification Standard Chloride 9.78 mg /L 1.0 98 90 110 Sulfate 39.9 mg /L 1.0 100 90 110 Method: E300.0 Sample ID: ICB- 091212 -11 2 Method Blank Chloride ND mg /L Sulfate 0.2 mg /L Qualifiers: RL - Analyte reporting limit. ND - Not detected at the reporting limit. 0.03 0.10 Run: IC2 -C 120912A Analytical Run: IC2- C_120912A 09/12/12 12:48 Batch: R164560 09/12/12 13:06 Sample ID: LFB- 091212 -13 2 Laboratory Fortified Blank Run: IC2- C_120912A 09/12/12 13:40 Chloride 10.1 mg /L 1.0 101 90 110 Sulfate 40.6 mg /L 1.0 101 90 110 Sample ID: LFBD- 091212 -14 2 Laboratory Fortified Blank Duplicate Run: IC2- C_120912A 09/12/12 13:58 Chloride 10.1 mg /L 1.0 101 90 110 0.5 10 Sulfate 41.1 mg /L 1.0 102 90 110 1.2 10 Sample ID: C12090310- 001AMS 2 Sample Matrix Spike Run: IC2- C_120912A 09/12/12 18:54 Chloride 310 mg /L 4.2 100 90 110 Sulfate 4890 mg /L 17 90 110 A Sample ID: 012090310- 001AMSD 2 Sample Matrix Spike Duplicate Run: IC2- C_120912A 09/12/12 19:11 Chloride 308 mg /L 4.2 99 90 110 0 7 10 Sulfate 5230 mg /L 17 90 110 6.9 10 A 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 Page 16 of 23