2010-11-01_HYDROLOGY - M1977300 (2)

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www.enerdab.com 3 Helena, MT 877-472-0711 Billings, MT 800-735 4488 R Casper, WY 808-235-0515 ,? Anilyrrcal &csfraaceSlnce 195? ! Gillette, WY 866-686-7175 a, Rapid City, SG 888-572-1225 s College Station, TX 888-690-2218 QA/QC Summary Report Client: Cotter Corporation Report Date: 09/27/10 Project: Schwartzwalder Water Monitoring Program-Discharge Work Order: C10090073 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Quai Method: E200.7 Batch: 27351 Sample ID: MB-27351 2 Method Blank Run: ICP2-C_100908A 09/08/10 16:52 Boron 0.02 mg/L 0.008 Iron ND mg/L 0.008 Sample to: LCS3-27351 2 Laboratory Control Sample Run: ICP2-C_100908A 09/08/10 16:56 Boron 0.524 mg/L 0.10 100 85 115 Iron 2.59 mg/L 0.030 104 85 115 Sample ID: C10090090-014BMS3 2 Sample Matrix Spike Run: ICP2-C_100908A 09108/10 17:20 Boron 0.889 mg/L 0.10 105 70 130 Iron 3.16 mg/L 0.030 106 70 130 Sample ID: C10090090-014BMSD 2 Sample Matrix Spike Duplicate Run: ICP2-C_10090BA 09/08/10 17:24 Boron 0.911 mg/L 0.10 110 70 130 2.4 20 Iron 3.18 mg/L 0.030 107 70 130 0.6 20 Method: E200.7 Batch: R137070 Sample ID: MB-100909A 3 Method Blank Run: ICP2-C_100909A 09/0911012:13 Chromium NO mg/L 0.002 Iron ND mg/L 0.002 Manganese NO mg/L 0.0004 Sample ID: LFB-100909A 3 Laboratory Fortified Blank Run: ICP2-C_100909A 09/09/10 12:17 Chromium 0.937 mg/L 0.050 94 85 115 Iron 0.927 mg/L 0.030 93 85 115 Manganese 0.897 mg/L 0.010 90 85 115 Sample ID: C10080839-003BMS2 3 Sample Matrix Spike Run: ICP2-C_100909A 09109/10 13:09 Chromium 9.61 mg/L 0.050 94 70 130 Iron 9.88 mg/L 0.030 96 70 130 Manganese 9.41 mg/L 0.010 92 70 130 Sample ID: C10080839-003BMSD 3 Sample Matrix Spike Duplicate Run: ICP2-C_100909A 09/09/10 13:13 Chromium 9.48 mg/L 0.050 93 70 130 1.4 20 Iron 9.62 mg/L 0.030 93 70 130 2.7 20 Manganese 9.39 mg/L 0.010 92 70 130 0.2 20 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration ND - Not detected al the reporting limit. Page 11 of 22