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West Elk Mine 2015 Surface Water and Groundwater Quantity and Quality Data Summary 3 <br />Table 2. Laboratory Parameters for First Five Years of Monitoring <br />(including Baseline Period) <br />Springs/Surface Water'4 <br />pH (lab and field)' <br />Sodium (Na) <br />Electrical conductive at 25'C (lab and field) <br />Sulfate (SO4_ <br />Temperature (field)' <br />Aluminum (Al <br />Total Dissolved Solids' TDS <br />Arsenic (As) (Total Recoverable <br />Total Suspended Solids' (TSS) <br />Cadmium (Cd) <br />Sodium Adsorption Ratio (SAR) <br />Copper (Cu <br />Bicarbonate HCO3) <br />Iron (Fe)' (Total and Dissolved) <br />Calcium (Ca+2) <br />Lead Pb) <br />Chloride (Cl) <br />Mananese (Mn)' (Total and Dissolved) <br />HardnessZ <br />Mercury H Total Recoverable <br />Magnesium M +z) <br />Molybdenum Mo <br />Nitrate/Nitrite <br />Selenium (Se) (Total Recoverable) <br />Phosphate (P043 as P) <br />Zinc (Zn) <br />Potassium <br />Boron (B) <br />Groundwater <br />H (lab and field)' <br />Nitrate/Nitrite <br />Electrical conductive at 250C (lab and field)' <br />Phosphate (PO4 3 as P) <br />Temperature (field)' <br />Potassium <br />Total Dissolved Solids' <br />Turbidity ' <br />Sodium Adsorption Ratio (SAR) <br />Sodium (Na) <br />Bicarbonate (HCO3) <br />Sulfate (SO ) <br />+2) <br />Calcium (Ca <br />Arsenic As <br />Carbonate (CO3) <br />Cadmium (Cd) <br />Chloride (Cl-) <br />Iron (Fe)' (Total and Dissolved) <br />Hardnessz <br />Manganese (Mn)' (Total and Dissolved) <br />Magnesium (M +2) <br />Lead (Pb <br />Ammonia (NH3) <br />Mercury (H <br />Selenium (Se) <br />Zinc (Zn) <br />Boron (B) <br />Adapted from CDRMS (2006) <br />1. Parameters monitored as a result of PR -10 <br />2. Added to baseline analyses in 1996, not for analyses completed prior to 1996. <br />3. All metals analyzed for their dissolved form unless stated otherwise. <br />4. North Fork of the Gunnison and Middle Sylvester Gulch expanded parameters include those listed in <br />Table 2 for surface water, plus chromium, nickel, silver (total), cyanide (total), iron (total recoverable), <br />alkalinity (Total CaCOA bicarbonate, carbonate, hydroxide; nitrogen (ammonia), ortho-phosphorus <br />(dissolved), and sodium adsorption ratio (SAR). <br />June 2016 HydroGeo, Ina <br />