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16. What are the groundwater characteristics? <br />a. What is the depth to groundwater (ft)140 <br />This will be the range of water levels, from well data, in a <br />groundwater well network. Note: Consider seasonal <br />variations from rainy to dry periods, wet and dry years, <br />well locations and variations in the subsurface geology. <br />Highest recorded level . ( depth in f t ) 50 (1 mile from site) - <br />Well Number _ Date Recorded 1929 ` <br />Lowest recorded level (depth in ft) 143 <br />Well Number W-1 Date Recorded 8/4/87 <br />Typical 140 <br />b. What direction does the groundwater flow? Southwest <br />C. What is the groundwater gradient? 0.0018 <br />CLOSURE COSTS <br />Final Cover <br />17. Area of Landfill for Final Cover <br />a. Area of top deck to be capped (ft2) Ad = .9,221,216 <br />b. Area of side slopes to be capped (ft2) As = 0 <br />(map area) <br />Side Slopes <br />Horizontal:Vertical Conversion Factor (C) <br />5 : 1 1.02 <br />4 1 1.03 <br />3 1 1.05 <br />22 1 1.08 <br />2 : 1 1.12 <br />14 1 1.15 <br />