2013-10-31_HYDROLOGY - M1977300 (2)

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■ \ www.ena&b.com ( Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888- 235 -0515 ha'"W Ewebas -%W'tM J Gillette, WY 866 -686 -1175 • Rapid City, SO 880- 672 -1225 • College Station, TX 868- 690 -2218 QA /QC Summary Report Prepared by Casper, WY Branch Revised Date: 09/04/13 Client: Cotter Corporation Report Date: 09/03/13 Project: Schwartz -SW 8/6/13 S27020 Work Order: 013080303 Analyte Count Result Units RL ° /oREC Low Limit High Limit RPD RPDLimit Qual Method: E200.7 Analytical Run: ICP4- C_130812A Sample ID: ICV 2 Initial Calibration Verification Standard 08/12/13 12:34 Boron 0.997 mg /L 0.10 100 95 105 Iron 4.98 mg /L 0.030 100 95 105 Sample ID: ICSA 2 Interference Check Sample A 08/12/13 12:48 Boron 0.0178 mg /L 0.10 Iron 174 mg /L 0.030 87 80 120 Sample ID: ICSAB 2 Interference Check Sample AB 08/12/13 12:53 Boron 0.0164 mg /L 0.10 Iron 176 mg /L 0.030 88 80 120 Method: E200.7 Batch: 38624 Sample ID: MB -38624 2 Method Blank Run: ICP4- C_130812A 08/12/13 13:43 Boron ND mg /L 0.003 Iron ND mg /L 0.004 Sample ID: LCS3 -38624 2 Laboratory Control Sample Run: ICP4- C_130812A 08/12/13 13:58 Boron 0.502 mg /L 0.050 100 85 115 Iron 2.54 mg /L 0.030 101 85 115 Sample ID: C13080303- 001DMS3 2 Sample Matrix Spike Run: ICP4- C_130812A 08/12/13 14:49 Boron 0.572 mg /L 0.050 99 70 130 Iron 2.53 mg /L 0.030 100 70 130 Sample ID: C13080303- 001DMSD3 2 Sample Matrix Spike Duplicate Run: ICP4- C_130812A 08/12/13 14:52 Boron 0.576 mg /L 0.050 100 70 130 0.7 20 Iron 2.53 mg /L 0.030 100 70 130 0.2 20 Qualifiers: RL - Analyte reporting limit. ND - Not detected at the reporting limit. MDC - Minimum detectable concentration Page 10 of 26