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(5) 10 10 <br /> (0. 0018) 5 5 5 <br /> E _ (1,200 tons/day) <br /> 25 2 30 0.33 <br /> 2 6 <br /> = 0. 03 lb/day <br /> Biomass Storacge Piles (Wind Erosion) <br /> Assumptions: <br /> Aggregate pile wind erosion emission factors are used to " <br /> estimate wind-caused fugitive dust emissions from biomass <br /> piles. <br /> Biomass pile maximum size 480 ' x 160 ' =1. 8 acres. <br /> Emission Factor: (AP-42 Section 11.2. 3 .3) <br /> s 365-P f <br /> ETSP = 1. 7 — lbs/day-acre <br /> 1. 5 235 15 <br /> S = silt content in percent (conservatively estimated at <br /> 5%) . <br /> 0 <br /> p = number of days per year with more than 0. 01" of rain <br /> (52 days for Stockton,, estimated from NOAA (1985) ) . <br /> f = percent of time that wind speed exceeds 12 mph at the <br /> mean pile height (data for Stockton and Modesto areas <br /> (NCC) ) . <br /> 5 365-52 20 <br /> ETSP = 1.7 — (1.8 acres) <br /> 1.5 235 15 <br /> = 18 . 1 lbs/day <br />