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&V.. <br />COLORADO <br />Air Pollution Control Division <br />Department of Public Health & Environment <br />ATTACHMENT A <br />( Annual Emissions) <br />Estimated <br />Annual Throughput <br />Inventory <br />Fugitive <br />Point # <br />Process description <br />Pollutant <br />Emission factor <br />Control type <br />Control % <br />(units/year) <br />Emissions <br />Report <br />(tons/year) <br />(Y/N) <br />Topsoil l3 Overburden Stripping: <br />Water sprays, <br />lbs/ton <br />stabilizers for the <br />tons <br />Drilling,Blasting,Excavation with <br />( <br />draglines/shovels/scrapers/dozers/ <br />PM <br />0.5276 <br />mined <br />purposes of dust <br />76.95% <br />95 988,053 <br />mined <br />5,592.4 <br />' <br />Y <br />front-end loaders), Reclamation, <br />suppression on <br />Hauling (240 -ton haul trucks), <br />unpaved roads. <br />exposed areas, stockpiles <br />Coal Extraction: <br />Drilling, Blasting, <br />Excavation/ Loading with front -end - <br />loaders, Hauling (240 -ton trucks),lbs/ton <br />PM,o <br />0.1446 <br />Water injection Et dust <br />75.459 <br />95,988,053 <br />tons <br />1,620.0 <br />Y <br />081 /0007/032 <br />exposed areas, stockpiles <br />mined <br />shroud for drills. <br />mined <br />(Collom <br />Haul Road Maintenance: <br />Expansion to <br />Leveling/Graders <br />Colowyo Coal <br />Mine) <br />Overburden Disposal: <br />By dragline and truck -shovel <br />lbs/ton <br />Restrict traffic to <br />tons <br />operation, Unloading from trucks <br />PM2.5 <br />0.0150 <br />mined <br />established roads. <br />73.53% <br />95,988,053 <br />mined <br />181.3 <br />Y <br />onto spoil slopes <br />Ammonium Nitrate and Fuel Oil <br />NOx <br />10.6000 <br />lbs/ton <br />Sequential blasting <br />0.0000% <br />136,875 <br />tons/ <br />725.4 <br />Y <br />(delay detonation). <br />year <br />Ammonium Nitrate and Fuel Oil <br />CO <br />67.0000 <br />lbs/ton <br />Sequential blasting <br />0.0000% <br />136,875 <br />tons/ <br />4585.3 <br />Y <br />(delay detonation). <br />year <br />' <br />Annual numbers may not demonstrate the Inventory Emissions if the Emission factor times the production or throughput calculation is performed. <br />This difference exists because the annual activity rates for some sources are not directly tied to their daily rates. <br />LLW COLORADO <br />Air Pollution Control Division <br />Page 14 of 17 <br />