2010-12-03_HYDROLOGY - M1977300 (2)

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Mill a 1 C www.enue4eb.corn Helena, MT 677472-0711 • Billings, MT 800-7354489 • Casper, WY 888-235-1515 ?Im ExaftmSb'tM J Gillette, WY 866-686-7175 • Rapid City, SD 889-672-1225 • College Station, Tx 888-690-2218 QA/QC Summary Report Client: Cotter Corporation Report Date: 11/05/10 Project: Schwartzwalder Water Monitoring Program Discharge Work Order: C10100100 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.7 Batch: 27779 Sample ID: MB-27779 2 Method Blank Run: ICP2-C_101013A 10/13/10 21:44 Boron 0.01 mg/L 0.008 Iron ND mg/L 0.008 Sample ID: LCS3-27779 2 Laboratory Control Sample Run: ICP2-C_101013A 10/13/10 21:48 Boron 0.525 mg/L 0.10 103 85 115 Iron 2.81 mg/L 0.030 112 85 115 Sample ID: C10100037-002DMS3 2 Sample Matrix Spike Run: ICP2-C_101013A 10/13/10 22:49 Boron 0.606 mg/L 0.10 107 70 130 Iron 2.77 mg/L 0.030 110 70 130 Sample ID: C10100037-002DMSD 2 Sample Matrix Spike Duplicate Run: ICP2-C_101013A 10/13/10 22:53 Boron 0.629 mg/L 0.10 112 70 130 3.7 20 Iron 2.84 mg/L 0.030 112 70 130 2.2 20 Method: E200.7 Sample ID: MB-101015A 3 Method Blank Chromium ND mg/L Iron ND mg/L Manganese ND mg/L Sample ID: LFB-101015A 3 Laboratory Fortified Blank Chromium 0.969 mg/L Iron 1.000 mg/L Manganese 0.975 mg/L Sample ID: C10100037-001CMS2 3 Sample Matrix Spike Chromium 1.92 mg/L Iron 1.98 mg/L Manganese 1.96 mg/L Sample ID: C10100037-001 CMSD 3 Sample Matrix Spike Duplicate Chromium 1.88 mg/L Iron 1.92 mg/L Manganese 1.93 mg/L Batch: R138676 Run: ICP2-C_101015A 10/15/10 10:48 0.002 0.002 0.0004 Run: ICP2-C_101015A 10/15/10 10:53 0.050 97 85 115 0.030 100 85 115 0.010 98 85 115 Run: ICP2-C_101015A 10/15/10 11:45 0.050 94 70 130 0.030 97 70 130 0.010 94 70 130 Run: ICP2-C_101015A 10/15/10 11:49 0.050 92 70 130 2.1 20 0.030 94 70 130 3.2 20 0.010 92 70 130 1.8 20 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration ND - Not detected at the reporting limit. Page 11 of 22