2013-05-31_HYDROLOGY - M1977342 - Laserfiche WebLink

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CMC — Henderson Operations DRMS Annual Water Monitoring Report May 2013 Table of Contents ExecutiveSummary ................................................... ............................... 1.0 Introduction ..................................................... ............................... 2.0 Baseline Monitoring ........................................ ............................... 3.0 Discussion of Annual Water Monitoring Data .............................. 3.1 Henderson Mine .......................................... ............................... 3.1.1 Point of Compliance Sampling Location: MNGW -1 ......... 3.1.2 Surface Water Sampling Location: BG- 20 ......................... 3.1.3 Surface Water Sampling Location: CC -10 ......................... 3.1.4 Surface Water Sampling Location: CC -30 ......................... 3.2 Henderson Mill ............................................ ............................... 3.2.1 Point of Compliance Sampling Location: MLGW- 7.......... 3.2.2 Surface Water Sampling Location: WFR- 20 ...................... 3.2.3 Surface Water Sampling Location: WFR- 40 ...................... 4.0 Groundwater Studies at the Mill ..................... ............................... 50 f nnchicinn Figures Figure 1, Sampling Locations, Henderson Mine Figure 2, Sampling Locations, Henderson Mill Tables Table 1, Annual Water Monitoring Data, Henderson Mine Table 2, Annual Water Monitoring Data, Henderson Mill Trend Evaluation Trend Evaluation 1, MNGW -1: Fe, Mn, Se, and Zn Trend Evaluation 2, MNGW -1: Specific Conductivity Trend Evaluation 3, MNGW -l: pH Trend Evaluation 4, MNGW -l: Sulfate Trend Evaluation 5, BG -20: Fe, Mn, Se, and Zn Trend Evaluation 6, BG -20: Specific Conductivity Trend Evaluation 7, BG -20: pH Trend Evaluation 8, BG -20: Sulfate Trend Evaluation 9, CC -10: Fe, Mn, Se, and Zn Trend Evaluation 10, CC -10: Specific Conductivity Trend Evaluation 11, CC -10: pH Trend Evaluation 12, CC -10: Sulfate Trend Evaluation 13, CC -30: Fe, Mn, Se, and Zn Trend Evaluation 14, CC -30: Specific Conductivity .......................... I .......................... 3 .......................... 3 .......................... 3 .......................... 3 .......................... 3 .......................... 4 .......................... 4 .......................... 4 .......................... 4 .......................... 4 .......................... 5 .......................... 5 .......................... 5 S