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SAN LUIS PROJECT <br /> DESCR IPTION OF TAILINGS IMPOUNDMENT WATER BALANCE SPREADSHEET COLUMNS <br /> 1. Year/Month - Self Explanatory <br /> HYDROLOGICAL DATA <br /> 2. Precip. - Average monthly precipitation estimated for <br /> the site (inches). <br /> 3. Evap. - Average monthly shallow lake evaporation <br /> estimated for the site (miles). <br /> 4. H2O Pool Area - Assumed surface area of water pool in <br /> impoundment (acres). <br /> 5. Tailings Area - Estimated areal extent of tailing deposition <br /> (acres). <br /> INFLOWS <br />• 6. Runoff - Calculated monthly runoff inflow to water <br /> pool based on Total catchment area, H2O Pool <br /> area, Tailings area, Preci~p. and the <br /> respective Runoff Coefficients (acre ft). <br /> 7. Slurry - Calculated monthly inflow .of water to <br /> tailings pond used to transport the tailings <br /> produced in that month. Based on production <br /> rate and slurry density (acre ft). <br /> L055E5 <br /> 8. Evap. - Calculated monthly evaporation From the water <br /> pool surface. Based on shallow lake <br /> evaporation applied over the H2O Pool Area <br /> (acre ft). <br /> <br />