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Page 3 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 />12. Tile manufacturer, model number and serial number of the equipment being added shall be provided to the Division prior <br />to Final Approval. <br />13. A revised Air PolSutam Emission Notice (APEN) shall be filed when a significant change in actual emissions occurs (above <br />the level reported on the lazt APEN, submitted to the Division) az requ'Ired by Regulation No.3, Part A.II.C.2 as per the <br />tuneable in Regulation No.3, Part A.II.C.3. <br />IA. In accordance with C.R.S. 25-7-I 14.1, the Av Pollutant Emission Notices (APENs) associated 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 exp'ves. <br />.` <br />By:_ By: ~ <br />Ram N. Seetharam Dennis M. Myers, P. <br />Permit Engineer/Reviewer Construction Permits Unit <br />Stationary Sources Progam <br />Air Pollution Control Division <br />INITVil. APPROVAL: SEPTEMBER 27, 1994 THIS CONSOLIDATED PERMIT WAS ISSUED TO REPLACE ALL THE PERMITS <br />ISSUED EARLIER FOR VARIOUS EQUIPMENT / ACTIVITIES. SOME ADDITIONAL <br />EQUIPMENT / ACTT VFFIES WERE AISO MCLUDED. <br />modification-I: FEBRUARY 6, 1996 THIS MODIFICATION-1 PERTAINED TO :CLOSURE OF STOCKPB.E REFERENCED UNDER <br />AIRS P011{T No. 007, ADDITION OF STOCKPILE-TRANSFER CONVEYOR /TRANSFER POPIT <br />TO AIRS POINT No. 014, ADDITION OF AN MCLINED GRIZZLY ON RUN-0F-MME COAL <br />RECEIVMG HOPPER TO AIRS POMT No. 018, ADDCRON OF RUN-0F-MME COAL SWEEP <br />SAMPLER! SAMPLE PREPARATION I TRANSFER SYSTEM UNDER AIR POINT No. 025. <br />MODIFICATION-2: MAY 28, 1996 THIS MODIFICATION-2 PERTAMED TO : MCREASED PROCESS /PRODUCTION <br />LIMBS AT THE COAL W ASHING PLANT. <br />MODFICATION-3 OCTOBER 30, 1996 THIS MODQ~TCATION-3 PERTAMED TO: FEDERALLY ENFORCEABLE PERMR <br />CONDTiIONS. PUBLIC COMMEM CONDUCTED. <br />EMISSION SOURCES HAVE BEEN RE1'iROUPED BASED ON THE SIMBARITIES OF <br />OPERATION I EMISSION FACTORS. <br />MODQ~7CATION -4 PERTAINED TO TRANSFER OF OWNERSHIP FROM CYPRUS YAMPA VALLEY COAL CORPORATION TO TWENTYMILE COAL <br />COMPANY. NO CHANGES M OPERATION I PROCESS. <br />TI{IS MODIFICATION-S PERTAMS TO MCORPORATION OF AIRS ID~. l64 lNTO THIS PERMIT. THIS EMISSION POfNT \VAS PREVIOUSLY APEN <br />EJ[EMPI'. THAT EJCEMPTION (97R00110) STANDS CANCELED. <br />107/0009/999 <br />