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<br />Page 8 <br />Construction Permit <br />Colorado DeparmTeat of Public Health and Environment <br />Air Pollution Control Division <br />TWE-NTYMII.E COAL COMPANY <br />Permit No. 93R01204 <br />Initial Approval -Modification-5 <br />ATTACHMENT A [CONTINUATION -4] <br />DETAILS OF EQUIPMENT /ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT <br />• <br /> DESCRIPI1oN <br />ABtS MAKE, MODEL- SM, DESIGN RATE, CAPACnY, DB.~NSIONS. REMARKS <br />ID OPERATION RATE, CONSUMPRON, 1TiROUGHPUT, PRODUCTION, SPECIFIC PROVISIONS <br /> EMISSION CONTROLS <br />123 ROCK DUST TRANSFER: CLOSED SYSTEM. <br /> TFBS OPERATION PNEUMATICALLY TRANSFER ROCK DUST TO THE BBJ. <br /> QUAN'ITI'Y OF ROCK DUST TRANSFERRED: 10,000 TONS PER YEAR <br />124 COAL LOADING: <br /> LOADING OF COAL INTO RAILCARS USING FRONT END LOADERS. FUG17'IVE DUST CONTROL PLAN <br /> QUANTITY OF COAL LOADED: 500.000 TONS PER YEAR. <br />126 TRANSFER POINTS IN COAL WASHING PLANT: <br /> NUMBER OF TRANSFER POINTS: 2 <br /> QUANTITY OF COAL TRANSFERRED: 1,700,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFlCIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSBJG FOR TSP AND PM,° IS A MMIMUM <br /> THE TRANSFER POINTS. OF 90.0 %. <br />127 SCREENINGINCOAL WASHING PLANT: <br />~' ONE (1) MAKE. MODEL. AND SM: NOT AVAILABLE. VB3RATING SCREEN. <br /> MEASURING 8' WIDE X 16' LONG, DESIGN-RATED AT 300 TONS PER <br /> HOUR. <br /> QUANTITY OF COAL SCREENED: 1,700,000 TONS PER YEAR. OVERALL CONTROL EFFICIENCY <br /> FOR TSP AND PM,° IS A MNIMUM <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSURES OF 90.0 °/w <br /> AND WATER SPRAYS. <br />128 CRUSHING IN COAL WASHING PLANT: <br /> ONE (1) JEFFREY, MODEC, AND SM: NOT AVABABLE, FLEX TOOTH COAL <br /> CRUSHER DESIGN-RATED AT 400 TONS PER HOUR <br /> QUANTTY OF COAL CRUSHED: 340,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY ENCLOSURES FOR TSP AND PM„ IS A MRJIAIU:.1 <br /> AND WATER SPRAYS. OF 90.0 %. <br />131 TRANSFER POINT ATRECLAMATION - 1: <br /> TRANSFER POINT FROM BATCH WEIGH PBE TO RECLAIM BELT. <br /> QUANTITY OF COAL TRANSFERRED: 10,000.000 TONS PER YEAR. OVERALL CONTROL EFFICIENCY <br /> FOR TSP AND PM,° IS A MINIMUM <br /> EMISSIONS OF PAR77CULATE MATTER CONTROLLED BY ENCLOSURES. OF 90.0 %. <br />ATTACHMENT A CONTINUED ..... <br />• <br />107/0009/999 <br />