2011-05-11_HYDROLOGY - M1977300 (9)

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wwwowoab.com 472 711 • Billings MT 860-735-4418 • Casper, WY 880-235-0515 + aw M t?,c ty; so 8811-072-1,225 + college Station, Tx 868-698-2211. QA/QC Summary Report Prepared by C asper, W Y Branch Client: Cotter Corporation Report Date: 04/20/11 Project: Schwartz-SW 3/22/11 S25636-S25643 Work Order: C11030702 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.7 Batch: R144441 Sample ID: MB-110404A 6 Method Blank Run: ICP2-C_110404A 04/04/11 11:29 Calcium ND mg/L 0.2 Iron ND mg/L 0.002 Magnesium ND mg/L 0.05 Manganese ND mg/L 0.0004 Potassium ND mg/L 0.02 Sodium 0.3 mg/L 0.3 Sample ID: LFB-110404A 6 Laboratory For tified Blank Run: ICP2-C_110404A 04/04/11 11:33 Calcium 46.7 mg/L 0.50 93 85 115 Iron 0.936 mg/L 0.030 94 85 115 Magnesium 47.4 mg/L 0.50 95 85 115 Manganese 0.920 mg/L 0.010 92 85 115 Potassium 44.9 mg/L 0.80 90 85 115 Sodium 43.8 mg/L 0.50 87 85 115 Sample ID: 011030715-005BMS2 6 Sample Matrix Spike Run: ICP2-C_110404A 04/04/11 15:38 Calcium 118 mg/L 1.0 100 70 130 Iron 2.15 mg/L 0.030 97 70 130 Magnesium 110 mg/L 1.0 98 70 130 Manganese 1.96 mg/L 0.010 96 70 130 Potassium 96.9 mg/L 1.0 83 70 130 Sodium 143 mg/L 1.0 96 70 130 Sample ID: C1 1 03071 5-005BMSD 6 Sample Matrix Spike Duplicate Run: ICP2-C_110404A 04/04/11 15:42 Calcium 118 mg/L 1.0 99 70 130 0.2 20 Iron 2.11 mg/L 0.030 95 70 130 1.8 20 Magnesium 111 mg/L 1.0 99 70 130 1.1 20 Manganese 1.93 mg/L 0.010 94 70 130 1.8 20 Potassium 96.0 mg/L 1.0 82 70 130 1.0 20 Sodium 145 mg/L 1.0 98 70 130 1.4 20 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration ND - Not detected at the reporting limit. Page 17 of 38