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Page 5 Colorado Department of Public Health and Environment <br />Construction Pemtit Air Pollution Control Division <br />TWENTYMILE COAL COMPANY <br />Permit No. 93 RO 1204 <br />Initial Approval -Modification-5 <br />ATTACHM ENT A [CONTINUATION - I ] <br />DETAILS OF EQUIPMENT /ACTIVITIES COVERED UNDER THIS FACILITY-WIDE. PERMIT <br /> DESCRIPTION <br />A1R5 MAKE, MODEL, SM, DESIGN RATE, CAPACffY, DIMENSIONS, REMARKS <br />ID OPERATION RATE, CONSUMPTION, THROUGHPUT, PRODUCTION, SPECIFIC PROVISIONS <br /> EMISSION CONTROLS <br />105 TRANSFER FROM RUN-OF-MINE COAL STOCKPILE TO RECLAIM <br /> BELT: <br /> TRANSFER OF COAL <br /> OVERALL CONTROL EFFICIENCY <br /> QUANI'I7Y OF COAL TRANSFERRED: 10,000,000 TONS PER YEAR FOR TSP AND PMi• IS A MINIMUM OF <br /> 70 %. <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY PARTIAf.LY <br /> ENCLOSMG THE TRANSFER POMT. <br />106 COAL STOCKPILES: <br /> RUN-0F-MINE COAL STOCKPILE No. 1 AT ROM Slack Tube 4.0 ACRES <br /> RUN-0F-MINE COAL STOCKPILE No. 2 AT Belt Out Back 7.0 ACRES FUGHIVE DUST CONTROL PLAN <br /> STOKER COAL STOCKPILE No. 3 AT Load Out 0.5 ACRE <br /> COAL STOCKPR,E No. 4 AT W ASH PLANT 0.2 ACRE <br /> PROCESSED COAL STOCKPILE No. 5 AT Balchweigh Loadout:4.0 ACRES <br /> LOW QUALITY COAL STOCKPILE No. b, AT Wash Planl 5 0 ACRES <br /> TOTAL AREA OF ALL COAL STOCKPILES: 20.7 ACRES. OVERALL CONTROL EFFICIENCY <br /> FOR TSP AND PM~• IS A MINIMUM OF <br /> DUST CONTROL PIAN. SURFACE MOISTURE. 50 % . <br />107 TRANSFER OF WASTE ROCK FOR CONVEYING: <br /> WASTE ROCK TRANSFER <br /> QUANTITY OF WASTE ROCK TRANSFERRED: 1,000,000 TONS PER YEAR OVERALL CONTROL EFFICIETJCY <br /> FOR TSP AND PM~• IS A MINIMUM OF <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSMG 90.0 %. <br /> THE TRANSFER POINT. <br />l08 LOADING AND UNLOADING: <br /> WASTE ROCK LOADING AT WASTE ROCK BELT, AND UNLOADMG AT <br /> PREPARATION PLANT OR REFUSE PILE. FUGTITVE DUST CONTROL PLAN <br /> LOADMG IS DONE BY FRONT END LOADER. <br /> QUANTITY OF WASTE ROCK HANDLED: 1,000,000 TONS PER YEAR. <br />109 HAULAGE ON UNPAVED HAUL ROADS: THIS BJCLUDES: <br /> HAUL OF WASTE ROCK <br /> HAULBJG OF WASTE ROCK BY 100 -TON, SIX -WHEELED TRUCKS. STOKER COAL TO STOCKPILE <br /> STOKER~COAL TO RAIL IAADMG <br /> HAULMG OF COAL BY 100 -TON, SDC • WHEELED TRUCKS. LOW QLTY. COAL TO WASH PLNT <br /> WASTE ROCK DIRECT HAUL <br /> TOTAL QUANTITY OF WASTE ROCK AND COAL. TOGETHER HAULED: HAUL OUT WASH PLANT WASTE <br /> 2,300,000 TONS PER YEAR. COAL FROM WASH PLANT TO <br /> STOCKPILE <br /> TOTAL VEHICLE-MILES-TRAVELLED: 116,293 PER YEAR. FUGrIIVE DUST CONROL PLAN <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY WATERING FOR TSP AND PMi• IS A MRJIMUM OF <br /> AND CHEMICAL DUST SUPPRESSANTS. 86.0 Y. <br />ATTACHMENT A CONTINUED ..... <br />107/0009/999 <br />