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Page 9 Colorado Department of Public Health and Environment <br />Construction Permit Air Pollution Control Division <br />TWENTYMILE COAL COMPANY <br />Permit No. 93R01204 <br />Initial Approval -Modification-5 <br />ATTACHMENT A [CONTINUATION - 5] <br />nETA1LS OF EQUIPMENT / ACTIV ITIRS COVF.RRD IMQER THIS FACILITY-WIDE PERMIT <br /> DESCRIP'I70N <br />AIRS MAKE, MODEL, SM, DESIGN RATE, CAPACITY, DIMENSIONS, REMARKS <br />ID OPERATION RATE, CONSUMPTION, THROUGHPUT, PRODUCTION, SPECIFIC PROVISIONS <br /> EMISSION CONTROLS <br />135 TRANSFER POINTS IN SAMPLING SYSTEM: <br /> NUMBER OF TRANSFER POINTS: 5 <br /> QUANTITY OF COAL TRANSFERRED; 65,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY PARTllil. FOR TSP AND PM~v IS A MRJIMUM <br /> ENCLOSURES. OF 80.0 %. <br />136 CRUSHING IN SAMPLING SYSTEM: <br /> ONE (1) McLANAHAN, MODEL, AND SM'. NOT AVAILABLE, ROLL <br /> CRUSHER, DESIGN RATED AT 250 TONS PER HOUR, FOR CRUSHMG OF <br /> RUN OF MBJE COAL FOR SAMPLE REDUCTION. <br /> QUANTfI-1' OF COAL CRUSHED: 65,000 TONS PER YEAR OVERALL CONTROL EFFICIENCY <br /> FOR TSP AND PM~v IS A MMIMUM <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSURE. OF 90.0%. <br />U7 FINI: CRUSHING (MINI-MILD IN SAMPLING SYSTEM: <br /> ONE (1) SEFFREY, MODEL, AND SM'. NOT AVAILABLE, MINI-MLLE, <br /> DESIGN-RATED AT 5 TONS PER HOUR, FOR FME CRUSHMG OF COAL <br /> FOR SAMPLE REDUCTION. <br /> QUANTrI-Y OF COAL M]LLED: 2,135 TONS PER YEAR OVER~AI-I. CONTROL EFFICIENCI' <br /> FOR TSP AND PM,v IS A h4NIMUM <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSURES. OF 90.0 °/v. <br />138 DOZERS'ACTIVITY AT COAL STORAGE PILES: <br /> FUGITIVE DUST CONTROL PLAN <br /> OPERATION RATE. 14,400 HOURS PER YEAR. . <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSION OF PARTICULATE. MATTER CONTROLLED BY SURFACE FOR TSP AND PMi° IS A MINIMUM <br /> MOISTURE. OF 50.0%. <br />141 RECETVINC COAL AT COAL WASHING PLANT: <br /> COAL IS DUMPED OMO A GRATE ON TOP OF THE RECEIVING HOPPER FUGrnVL DUST CONTROL PLAN <br /> QUANTFCY OF COAL RECEIVED: 1,700,000 TONS PER YEAR <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER IS CONTROLLED BY SURFACE FOR TSP AND PM,v IS A MINIMUM <br /> MOISTURE. OF 50.0 %v. <br />142 TRIPLE DECK SCREEN HOUSE: <br /> NUMBER OF TRANSFER POMTS: 2. <br /> QUANTITY OF COAL HANDLED: 500,000 TONS PER YEAR <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY PARTIAL FOR TSP AND PM,v IS A MMIMUM <br /> ENCLOSURES. OF 70.0%. <br />ATTACHMENT A CONTINUED ..... <br />107/0009/999 <br />