Laserfiche WebLink
Page 10 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 - 6] <br />DETAILS OF EQUIPMENT /ACTIVITIES COVERED I MDER THIS FACILITY-WIDE PERMIT <br /> DESCRIPTION <br />A1R3 MAKE, MODEL, SM, DESIGN RATE, CAPACITY, DIMENSIONS, REMARKS <br />ID OPERATION RATE,CONSUMPTION, THROUGHPUT, PRODUCTION, SPECIFIC PROVISIONS <br /> EMISSION CONTROLS <br />143 SCREENING IN TRIPLE SCREEN PLANT: <br /> THREE (3) MAKE, MODEL, AND SMs: NOT AVAILABLE, VIBRATBJG <br /> SCREENS, EACH MEASURB4G 34" X 48 ",DESIGN RATES: RATE <br /> LIMITED BY FRONT END LOADER FEEDRJG. <br /> QUANTrTY OF COAL SCREENED: SCREEN 1: 500,0(10 TONS PER YEAR; OVERALL CONTROL EFFICIENCY <br /> SCREEN 2: 415,000 TONS PER YEAR; SCREEN 3'. 300,000 TONS PER FOR TSP AND PM,o IS A MINIMUM <br /> YEAR. OF 70.0 %. <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY PARTIAL <br /> ENCLOSURES. <br />144 LOAD-IN AND LOAD-OUT AT TRIPLE SCREEN PLANT: <br /> NUMBER OF TRANSFER POINTS: 2 <br /> QUANTITY OF COAL HANDLED: 500,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER COMROLLED BY PARTIAL FOR TSP AND PM,o IS A MRJIMUM <br /> ENCLOSURES. OF 70.0%. <br />145 WASTE ROCK TRANSFERS: <br /> WASTE ROCK IS TRANSFERRED FROM BELT TO GROUND. <br /> QUANTITY OF WASTE ROCK HANDLED: 1 000,000 TONS PER YEAR. <br /> OVERALL CONTROL EFFICIENCY <br /> EM1SS10NS OF PARTICULATE MATTER COMROLLED WITH SURFACE FOR TSP AND PM,o iS A MINIMUM <br /> MOISTURE. OF 50.0 %. <br />I46 WASTE ROCK STOCKPILE: <br /> EMISSIONS FROM STORAGE PILE. FUGITIVE DUST CONTROL PLAN <br /> AREA OF STOCKPILE: 0.2 ACRE. <br /> OVERALL COMROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY SURFACE FOR TSP AND PM,o IS A MINIMUM <br /> MOISTURE. OF 50.0%a. <br />149 LOADING AND UNLOADING OF LOW QUALITY COAL: <br /> FROM END IAADERS ARE USED. FUGITIVE DUST CONTROL PLAN <br /> QUANTITY OF COAL HANDLED: 500,000 TONS PER YEAR. <br />152 \VASTE ROCK STOCKPILES: <br /> FUGTI'IVE DUST CONTROL PLAN <br /> TOTAL AREA OF STOCKPILES: 35 ACRES. <br /> OVERALL CONTROL EFFICIENCY <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY SURFAC[ FOR TSP AND PM„ IS A MRJIMUM <br /> MOISTURE. OF 50.0 %. <br />153 ACTIVITIES ON \VASTE ROCK STOCKPILES: FUGITIVE DUST CONTROL PLAN <br /> TOTAL OPERAl10N RATE: 8,000 HOURS PER YEAR. OVERALL CONTROL EFFICIENCY <br /> FOR TSP AND PM,o IS A MNIMUM <br /> EMISSIONS OF PARTICULATE MATTER CONTROLLED BY SURFACE OF 50.0 %. <br /> MOISTURE <br />ATTACHMENT A CONTINUED ..... <br />107/0009/999 <br />