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Air Pandr Applio®on Rx loria®o Cad Con~pmp <br />0.5*1.7*{s/].5)*((365-p)/365]*(f/15) Ib/day/acre (APCD Fugitive Particulate Emissions, Section • <br />VIII, Equation 3) <br />where: <br />f=% time wind > 12mph = 27% (estimated from Trinidad/Las Animas County Airport, the <br />nearest location where a wind climatology is available. The wind climatology was obtained from <br />the National Climatic Data Center in Asheville, North Carolina. A search of the NCDC indicated <br />the most complete and long-tetm wind database for Trinidad was for a period of record January <br />1948 to December 1958, and October 1960 to September 1961). <br />p= precipitation, snow cover, and freezing days = 71 <br />(estimated from Appendix D, Tables D.1 and D.2 for Pueblo) <br />s= silt content % = 6.2% (mean value used from APCD, Fugitive Particulate Emissions, Section <br />VIII, Table 11.2.2-1) <br />Annual Emissions <br />Emissions = 5.0939 lb/acre/day * 365 days * 0.57 acres = 1059.8 Ibs/year = 0.53 tons/yr. <br />Coal Transfer from Stockpile to Railroad Cars <br />Process Description <br />Coal will be loaded from the L.oadout Facility stockpile to rail cars using a 15 cubic yard front end <br />loader. Coal will be loaded into 100-ton rail cars. Units of up to 25 cars will be shuttled to the <br />New Elk Mine for processing. <br />Emission Factor and Controls <br />The emission factor for loading coal is: <br />(0.37*0.0018*(s/5)*(U/2.2)*(H/5}]/[(M/2)"2 * (Y/6)'0.33] lb/ton <br />(APCD Fugitive Particulate Emissions, Section VIII, Equation (1)) <br />where: <br />r~ <br />U <br />s=silt content (%) = 6.2% (mean value from APCD Fugitive Particulate Emissions, ,section VIII, <br />Table 11.2.2-1) <br />U=mean wind speed (mph) = 8.7 mph (from Appendix D, Table D.3 for Pueblo) • <br />,,.,-sv.,~..r io. iw, 25 <br />