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U <br />• <br />[File] <br />Version 6/13/01 <br />DEPTH OF SOIL LOSS CALCULATION <br />DATE 06/12/01 <br />CALC BY ACR <br />JOB Forward Landfill <br />CRITERIA <br />Watershed 1 <br />AVERAGE SOIL LOSS (TONS/ACRE/YR) 0.9 <br />DENSITY OF SILT (LBS/CF) 100 <br />AREA OF LANDFILL TO BE COVERED (AC) 210.1 <br />NUMBER OF YEARS 30 <br />TOTAL DEPTH OF FINAL COVER (INCHES) 12 <br />AVERAGE ANNUAL SOIL LOSS DEPTH <br />TONNAGE 179.9 <br />VOLUME OF SOIL LOSS (CY) 1332 <br />DEPTH OF SOIL LOSS (INCHES) 4.72E-03 <br />TOTAL DEPTH OVER 30 -YEARS <br />TONNAGE -5,396 <br />VOLUME OF SOIL LOSS (CY) 3,997 <br />DEPTH OF SOIL LOSS (INCHES) 0.14 <br />Ratio of Soil Loss to Final Cover (percent) 1.2% <br />BRYAN A. STIRRAT & ASSOCIATES <br />