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Time Period,T (years) : Time of analysis; typically the time of the storm event <br />Density of the sediment (D) : The post- deposit density of the sediment <br />Runoff (1) : Calculated from some other routine like Curve Number and Runoff <br />Total Erosion (E, tons /year) = Sum of (E * Area) for all the areas. <br />Total Yield (Y, tons /year) = E * DR <br />Sediment volume per year (Vs) = Y / Density <br />Total Sediment Volume = Vs * Time period <br />Runoff Volume = Runoff (1) * Total Area <br />Total Pond Volume = Runoff Volume + Total Sediment Volume <br />X: \Western Fuels Nucla\Permit Revision 2009\Adequacy Response\Final Files \Comparison Documents\ATTACHMENT 2.05.3(3) -14 Pond <br />0 11 -Comparison-22MAY l O.wpd <br />Attachment 2.05.3(3) -14 -7 <br />