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Page 9 Colorado Department of Public Health and Envirol3rnent <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 />DETAILS OF £OU[PMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT <br /> DESCRIPTION <br />AIRS MAKE, MODEL, SM, DESIGN RATE, CAPACITY, DIMENSIONS, REMARKS <br />ID OPERATION RATE, CONSUMPTION, THROUGHPUT, PRODUCTION, SPECIFIC PROVISIONS <br /> EMISSION CONTROLS <br />I35 TRANSFER POINTS IN SAMPLING SYSTEM: <br /> NUMBER OF TRANSFER POINFS: 5 <br /> QUAMRY OF COAL TRANSFERRED; 65,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATSER COMROL.LED BY PARTIAL FOR TSP AND PM„ IS A MINIMUM <br /> ENCLOSURES. OF 80.0%. <br />136 CRUSHING IN SAMPLING SYSTEM: <br /> ONE (I) McLANAHAN, MODEL, AND SM: NOT AVAILABLE, ROLL <br /> CRUSHER, DESIGN RATED AT 250 TONS PER HOUR, FOR CRUSTING OF <br /> RUN OF MINE COAL FOR SAMPLE REDUCTION. <br /> QUAN'R("Y OF COAL CRUSHED: 65,000 TONS PER YEAR. OVERALL COM'ROL EFFICIENCY <br /> FOR TSP AND PM,,, IS A MINIMUM <br /> EMISSIONS OF PARTICULATE MAT"IER CONTROLLED BY ENCLOSURE. OF 90.0 %. <br />137 FINE CRUSHING (MINI-MILLI IN SAMPLDVC SYSTEM: <br /> ONE (I) JEFFREY, MODEL, AND SM: NOT AVAILABLE, MMI-M]LL, <br /> DESIGN-RATED AT S TONS PER HOUR FOR FINE CRUSHMG OF COAL <br /> FOR SAMPLE REDUCTION. <br /> QUAMITY OF COAL MILLED: 2,135 TONS PER YEAR OVER~AI.L CONTROL EFFICIENCY <br /> FOR TSP AND PM~a IS A MMIMUM <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSURES. OF 90.0 %. <br />138 DOZERS' ACTMTY AT COAL STORAGE PILES: <br /> FUGR7VE DUST CONTROL PLAN <br /> OPERATION RATE: 14,400 HOURS PER YEAR. . <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSION OF PARTICULATE MATER CONTROLLED BY SURFACE FOR TSP AND PM~o IS A MIMMUM <br /> MOISTURE. OF 50.0%. <br />141 RECEMNC COAL AT COAL WASHING PLANT: <br /> COAL IS DUMPED ONTO A GRATE ON TOP OF THE RECEIVRJG HOPPER. FUGrnVE DUST CONTROL PLAN <br /> QUANTRY 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~a IS A MDJIMUM <br /> MOISTURE. OF 50.0 Ya. <br />142 TRIPLE DECK SCREEN HOUSE: <br /> NUMBER OF TRANSFER POIhfrS: 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„ IS A MMIMUM <br /> ENCLOSURES. OF 70.0%. <br />ATTACHMENT A CONTINUED ..... <br />107!0009/999 <br />