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5. SW -N1 is located on Tuttle Draw and represents the upstream condition above mining. <br />6. SW -N3 is located on Tuttle Draw and represents the downstream condition below mining. <br />Temperature I Flow I pH I Conductivity <br />Ouarterly Surface Water Laboratory Parameters <br />PH <br />Conductivity @ 25°C <br />Total Dissolved <br />Total Suspended Solids <br />See Below <br />Solids <br />Calcium (Ca +) <br />Magnesium (Mg+) <br />Ammonia (NH3) <br />Nitrate -Nitrite <br />Sodium (Na+) <br />Sulfate (SO4 ) <br />Arsenic (As) <br />TD <br />Iron (Fe) <br />Mercury (Hg)TD <br />Manganese (Mn) I DSelenium <br />(Se)TDZinc <br />TD <br />(Zn) <br />Phosphorus (PO4 <br />Lead (Pb)TDBicarbonate <br />Quarterly <br />Sodium Absorption <br />as P)T <br />(HCO3)° <br />Ratio (SAR) <br />Chloride (Cl-) <br />Aluminum (Al)TRCadmium <br />(Cd) <br />Copper (Cu) <br />D = Dissolved <br />TD = Total Dissolved <br />T = Total <br />TR = Total Recoverable <br />Groundwater — Fifteen groundwater sites will be monitored, as a result of mining activity in the <br />New Horizon Mine as described below. These sites include locations to monitor the coal, <br />underburden, overburden, and alluvial aquifers at or adjacent to the mine. <br />Monitorine Monitorine Monitorine Ouarterly Laboratory <br />Tyne Location Freauencv Quarterly Field Parameters Parameters <br />Groundwater <br />GW -N3 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW -N8 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW-N16P1 <br />Quarterly <br />Water level, Temperature, PH, <br />See Below <br />Conductivity <br />Groundwater <br />GW-N17P1 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW-N18P1 <br />Quarterly <br />Water level, PH, Temperature, , <br />See Below <br />Conductivity <br />Groundwater <br />GW -N36 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW -N37 <br />Quarterly <br />PH, Water level, Temperature, , <br />See Below <br />Conductivity <br />Groundwater <br />GW -N38 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW -N39 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW -N40 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW -N41 <br />Quarterly <br />Water level, Temperature, pH, <br />See Below <br />Conductivity <br />Groundwater <br />GW -N42 <br />Quarterly <br />PH, Water level, Temperature, , <br />See Below <br />Conductivity <br />Page 2.04.7-29 March 2017 (TR -77) <br />