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Page 9 Colorado Department of Public Health and Environment <br />Construction Permit Air Pollution Control Division <br />TWENTYMII.E COAL COMPANY <br />Permit No. 93R01204 <br />Initial Approval -Modification-5 <br />ATTACHMENT A [ CONTINUATION - 5] <br />DETAILS OF EOUTPMENT / ACTIVITIES COVER FD I IN1lFR T'1-fIS FACTT.iTY-WTT)F PERMIT <br />• <br /> DESCRIPTION <br />AIRS MAKE. MODE4 SM, DESIGN RATE, CAPACITY, DIA~NSIONS, REMARKS <br />ID OPERATION RATE, CONSUINPIION, THROUGHPUT, PRODUCTION, SPECIFIC PROVISIONS <br /> - EMISSION CONTROLS <br />135 TRANSFER POINT'S IN SAMPLING SYSTEM: <br /> NUMBER OF TRANSFER PONTS: 5 <br /> QUANTCCY OF COAL TRANSFERRED; 65,000 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 80.0 %. <br />136 CRUSHING IN SAMPLING SYSTEM: <br /> ONE (I) McIANAHAN, MODE4 AND SM: NOT AVAILABLE, ROLL <br /> CRUSHER DESIGN RATED AT ZSO TONS PER HOUR FOR CRUSHMG OF <br /> RUN OF MME COAL FOR SAI~LE REDUCTION. <br /> QUANTITY OF COAL CRUSHED: 65,000 TONS PER YIi~R OVERALL CONTROL EFFlCIENCY <br /> FOR TSP AND PM,° IS A MMIMUM <br /> EMISSIONS OF PARTICIJIATE MATTER CONTROLLED BY ENCLOSURE. OF 900 %. <br />137 FINE CRUSHING !MINI-MILLI IN SAMPLMC SYSTEM: <br /> ONE (I) JEFFREY, MODEL., AND SM' NOT AVAILABLE. MMI-MILL, <br /> DESIGN•RATED AT S TONS PER HOUR FOR FME CRUSHMG OF COAL <br /> FOR SAMPLE REDUCTION. <br /> QUANTITY OF COAL MILLED: 2,135 TONS PER YEAR OVERALL CONTROL EFFICIENCY <br /> FOR TSP AND PM,° IS A MMIMUM <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSURES. OF 90.0 %. <br />136 DOZERS'ACTMTV AT COALSTORAGE 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 PM,° IS A MMIMUM <br /> MOISTURE. OF 50.0 %. <br />141 RECEIVING COAL AT COAL WASHMG PLANT: <br /> COAL IS DUMPED ONTO A GRATE ON TOP OF THE RECEIVING HOPPER. FUGITIVE DUST CONTROL PLAN <br /> QUANTITY OF COAL RECEIVED: 1,700,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER IS C0147ROLLED BY SURFACE FOR TSP AND PM,° IS A MMIMUM <br /> MOISTURE. OF 50.0 %. <br />142 TRIPLE DECK SCREEN HOUSE: <br /> NUMBER OF TRANSFER POINTS: 2. <br /> QUANRTY OF COAL HANDLED: 500,000 TONS PER YEAR <br /> OVERALL CONTROL EFFlCIENCY <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 />• <br />107/0009/999 <br />