2012-12-17_HYDROLOGY - M1977300 (3)

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ENERGY LABORATORIES Client: Cotter Corporation www.energylab.com Analytical Excellence Since 1852 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 9/13/12 S26638 Work Order: C12090499 Analyte Method: E200.7 Analytical Run: ICP2- C_121012A Sample ID: ICV 3 Initial Calibration Verification Standard 10/12/12 12:49 Iron 5.09 mg /L 0.030 102 95 105 Magnesium 49.9 mg /L 0.50 100 95 105 Uranium 5.02 mg /L 1.0 100 95 105 Sample ID: ICSA 3 Interference Check Sample A 10/12/12 13:29 Iron 192 mg /L 0.030 96 80 120 Magnesium 514 mg /L 0.50 103 80 120 Uranium 0.0124 mg /L 1.0 Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Sample ID: ICSAB 3 Interference Check Sample AB Iron 191 mg /L 0.030 96 80 120 Magnesium 515 mg /L 0.50 103 80 120 Uranium 0.0190 mg /L 1.0 Method: E200.7 Sample ID: MB- 121012A 3 Method Blank Iron ND mg /L 0.001 Magnesium ND mg /L 0.03 Uranium ND mg /L 0.3 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration Run: ICP2- C_121012A Sample ID: LFB- 121012A 3 Laboratory Fortified Blank Run: ICP2- C_121012A Iron 0.998 mg /L 0.030 100 85 115 Magnesium 47.8 mg /L 0.50 96 85 115 Uranium 4.86 mg /L 1.0 97 85 115 Sample ID: C12090499- 001CMS2 3 Sample Matrix Spike Run: ICP2- C_121012A Iron 1.95 mg /L 0.030 96 70 130 Magnesium 282 mg /L 1.0 95 70 130 Uranium 26.3 mg /L 0.53 84 70 130 ND - Not detected at the reporting limit. 10/12/12 13:33 Batch: R165757 10/12/12 13:54 10/12/12 13:58 10/13/12 00:04 Sample ID: C12090499 001CMSD 3 Sample Matrix Spike Duplicate Run: ICP2- C_121012A 10/13/12 00:08 Iron 1.97 mg /L 0.030 96 70 130 0.6 20 Magnesium 288 mg /L 1.0 101 70 130 2.4 20 Uranium 26.7 mg /L 0.53 88 70 130 1.5 20 Page 7 of 23