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Page 3 Colorndo 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 />12. The manufacturer, model number and serial number ofthe equipment being added shall be provided to the Division prior <br />to Final Approval. <br />13. A revised A"v Pollutant Emission Notice (ADEN) shall be filed when a significant change al actual emissions occurs (above <br />the level repotted on the last ADEN, submitted to the Division) az required by Regulation No.3, Part A.II.C2 az per the <br />timetable in Regulation No.3, Part A.II.C.3. <br />14. In accordance with C.R.S. 25-7-114.1, the Air Pollutant Emission Notices (APENs) azsociazed with this permit are valid <br />for a term of five years. Revised APENs shall be submitted no later than 30 days before the five year term expires. <br />~~ <br />ay: sy: f <br />Ram N. Seetharam Dennis M. Myers, P. <br />Permit Engineer/Reviewer Construction Pettttiu Unit <br />Stationary Sources Program <br />Air Pollution Control Division <br />MI7IAL APPROVAL: SEPTEMBER 27, 1994 THIS CONSOLIDATED PERMIT WAS ISSUED TO REPLACE ALL THE PERMRS <br />ISSUED EARLIER FOR VARIOUS EQUIPMENT! ACTIVITIES. SOME ADDr110NAL <br />EQUIPMENT / ACTIVTITES WERE ALSO MCLUDED. <br />modificaooo-l: FEBRUARY 6. 1996 THIS MODIFICATION-I PERTAINED TO :CLOSURE OF STOCKPILE REFERENCED UNDER <br />AIRS PORJT No. 007, ADDITION OF STOCKPILE-TRANSFER CONVEYOR /TRANSFER POINT <br />TO AIRS POINr No. 014, ADDITION OF AN MCLINED GRIZZLY ON RUN-0F-MINE COAL <br />RECEIVING HOPPER TO AIRS POINT No. 018. ADDITION OF RUN-0F-MME COAL SWEEP <br />SAMPLER /SAMPLE PREPARATION /TRANSFER SYSTEM UNDER AIR POINT No. 025. <br />MODIFICATION-2: MAY 2S, 1996 THIS MODIFCATION-2 PERTAINED TO : MCREASED PROCESS /PRODUCTION <br />LIMTTS AT THE COAL W ASHING PLANT. <br />MODIFICATION-3 OCTOBER 30, 1996 THIS MODIFICATION-3 PERTAINED TO: FEDERALLY ENFORCEABLE PERMR <br />CONDITIONS. PUBLIC COMMENT CONDUCTED. <br />EMISSION SOURCES HAVE BEEN RE-GROUPED BASED ON THE SIMILARr1TE5 OF <br />OPERATION /EMISSION FACTORS. <br />MODffICAT10N-4 PERTARNED TO TRANSFER OF OWNERSHIP FROM CYPRUS YAMPA VALLEY COAL CORPORATION TO TWENTYA9I.E COAL <br />COMPANY. NO CHANGES M OPERATION I PROCESS. <br />THIS MODIFICATION-5 PERTAINS TO MCORPORATION OF AIRS ID: 164 INTO 17TIS PERMR. THIS EMISSION POINT WAS PREVIOUSLY APEN <br />EXEMPT. THAT EXEMPTION (97R0011o) STANDS CANCELED. <br /> <br />107/00091999 <br />