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0 <br />• <br />• <br />West Elk Mine 2009 Annual Hydrology Report <br />Table 2 <br />Laboratory Parameters <br />First 5 Years of Monitoring (including Baseline) <br />Adapted from CDRMS (2006) <br />Springs/Surface Water 3,4 <br />H (lab and field) Sodium (Na) <br />Conductivity at 25'C (lab and field) Sulfate (SO4_) <br />Temperature (field) Aluminum (Al) <br />Total Dissolved Solids' Arsenic As) Total Recoverable <br />Total Suspended Solids Cadmium Cd <br />Sodium Adsorption Ratio (SAR) Copper (Cu) <br />Bicarbonate (HCO3) Iron (Fe) (Total and Dissolved) <br />Calcium (Ca") Lead (Pb) <br />Chloride (CF) Manganese (Mn) (Total and Dissolved) <br />Hardness Mercury (Hg) (Total Recoverable) <br />Magnesium (Mg") Mol bdenum (MO) <br />Nitrate -Nitrite Selenium (Se) (Total Recoverable) <br />Phosphate (P04 as P) Zinc (Zn) <br />Potassium Boron (B) <br />Groundwater 3 <br />H (lab and field) Nitrate-Nitrite <br />Conductivity at 25'C (lab and field) Phosphate (P04 as P) <br />Temperature field) Potassium <br />Total Dissolved Solids Turbidity <br />Sodium Adsorption Ratio (SAR) Sodium (Na) <br />Bicarbonate (HCO3-) Sulfate (S04-) <br />Calcium (Ca") Arsenic (As) <br />Carbonate (C03) Cadmium (Cd) <br />Chloride (CF) Iron (Fe) (Total and Dissolved) <br />Hardness Manganese (MT ;71 and Dissolved <br />Magnesium (Mg") Lead (Pb <br />Ammonia (NH3) Mercury (Hg) <br />Selenium (Se) Zinc (Zn) <br /> Boron (13 <br />Notes: <br />I . 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 parameters 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), nitrite(as N), nitrate (as <br />N), alkalinity (Total CaCO3), carbonate, hydroxide, and ortho-phosphate <br />June 2010 <br />HydroGeo, Inc.