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` - Twentymile Coal Company <br />Amendment to Special Use Permit <br />Permit No. PP2001-004 <br />Exhibit 3 <br />Air, Water, Noise and Landscaping Report: <br />1. Air pollution potential from facilities, roads and/or equipment: <br />Twentymile Coal Company's existing facilities are permitted under CDPFIE <br />Construction Permit No. 93R01204. <br />2. Air pollution controls on facilities, road and equipment: <br />Twentymile Coal Company's existing facilities utilize a combination of practices to limit <br />fugitive dust. These practices include bag houses, partial and complete enclosures of <br />transfer.points in the conveyance system, covered conveyors and watering or chemical <br />treatment of road surfaces in high traffic areas. <br />3. Water pollution controls: <br />Runoff and mine water discharges are passed through sediment ponds or treatment <br />facilities prior to discharge. Small areas not within a sediment pond drainage area use <br />Best Management Practices to treat water, i.e. rock check dams, vegetative filters, straw <br />bales, silt fences and sediment traps. . <br />4. Noise abatement techniques: <br />Hours of operation <br />Distance <br />Type of equipment <br />Not Applicable <br />Not Applicable <br />Not Applicable <br />5. Landscaping, earth moving, visual screening_pIan and/or Iandscape plan: <br />Twentymile Coal Company's surface facilities and frock load-out are existing facilities. <br />No new impacts are anticipated from the-continuation and increase of-the_truck_coal - <br />hauling. <br />I:\Enviromnental\SUP\SUP PP2004-002 01-23-04\Exhibit 3 Ammendment to SUP PP2001- <br />004 012~04.doc <br />