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Page 4 Colorndo Department of Public Health and Environment <br />Conshvction Permit Air Pollution Control Division <br />TWENTYMILE COAL COMPANY <br />Permit No. 93R01204 <br />Initial Approval -Modification-5 <br />ATTACHMENT A <br />DETAILS OF EQUIPMENT /ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT <br /> <br />• <br /> DESCRIPnoN <br />AIRS MAKE, MODEL. SM, DESIGN RATE, CAPACITY. DBdENSTONS, REMARKS <br />ID OPERATION RATE, CONSUMPTION, THROUGHPUT. PRODUCTION, SPECIFIC PROVISIONS <br /> EMISSION CONTROLS <br />101 MINE VENTILATION FANS: <br /> ONE (1) MAKE. MODEL, AND SM: NOT AVAILABLE, MINE VENTILATION FAN, MAXIMUM CONCENTRATION OF <br /> DESIGN RATED AT 600,000 ACFM, AND POWERED BY AN ELECTRIC MOTOR PARTICULATE MATTER M THE <br /> RATED AT 1,250 HP.. THIS FAN IS IDENTFIED AS MME VLIJnLATTON FAN MINE AIR EXHAUSTED INTO THE <br /> No. 1, AND IS LOCATED ON h1B4E SHAFT No. I. ATMOSPHERE DOES NOT EXCEED <br /> 0.5 MILLIGRAM PER CUBIC M1=1'ER <br /> ONE (1) MAKE, MODE4 AND SM: NOT AVAILABLE, MINE VENT1iAIlON FAN, <br /> DESIGN RATED AT 30,000 ACFM, AND POWERED BY AN ELECTRIC MOTOR <br /> RATED AT 400 HP.. THIS FAN IS IDENTIFIED AS MINE VET1T(LAl70N FAN No. <br /> 2, AND IS LOCATED ON MINE SHAFT' No. 2. <br /> ONE (1) MAKE, MODEL AND SM: NOT AVAILABLE, MINE VENTILATION FAN. <br /> DESIGN RATED AT 600,000 ACFM, AND POWERED BY AN ELECTRIC MOTOR <br /> RATED AT 1,000 HP.. THIS FAN IS IDENTIFIED AS MME VENTILATION FAN <br /> No. 1, AND IS LOCATED ON MME SHAFT No. 3. <br /> ONE (1) MAKE, MODEL AND SM: NOT AVAILABLE, MME VEN71fA170N FAN. <br /> DESIGN RATED AT 150,000 ACFM, AND POWERED BY AN ELECTRIC MOTOR <br /> RATED AT 1,700 HP.. THIS FAN IS IDENTIFIED AS MME VENTILATION FAN <br /> No. 4, AND IS LOCATED ON hBNE SHAFT No. 4. <br /> ALL THE FOUR (4) FANS RUN CONTMUOUSLY, 8,760 HOURS PER YEAR. <br />102 TRANSFERS FROM SLOPE BELT TO STACKER TUBE FEED BELT: <br /> TRANSFER OF WASTE ROCK <br /> TRANSFER OF COAL <br /> TOTAL QUANTr1Y TRANSFERRED: 11.000,000 TONS PER YEAR <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER COMROLI.ED BY ENCLOSMG THE FOR TSP AND PM„ IS A MMIh1Uh1 <br /> TRANSFER POINTS. OF 90.0 <br />103 TRANSFER FROM STACKER TUBE BELT TO STACKER TUBE: <br /> TRANSFER OF COAL <br /> QUANTr1Y OF COAL 1RANSFERRED: 10.000,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY IMCLOSMG THE FOR TSP AND PM ,° IS A MMIMUM <br /> TRANSFER POINTS. OF 90 %. <br />104 TRANSFER PROM STACKER TUBE TO STOCKPILE: <br /> TRANSFER OF COAL <br /> QUANTITY OF COAL TRANSFERRED: 10,000,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSMG THE FOR TSP .MID PM,° IS A MMIMUht <br /> TRANSFER POMTS. OF 90 °, o. <br />ATTACHMENT A CONTINUED ..... <br />107/0009/999 <br />