<br />Colorado Discharge Permit System, COR-040000, Facility No. COR-040084,
<br />CDPS General Permit for stormwater discharges associated with mining
<br />activity. Effective November 5, 1992. Incorporated into CDPS Permit CO-
<br />0000132
<br />(3) Colorado Department of Public Health and Environment, Air Pollution
<br />Control Division, 4300 Cherry Creek Drive So., Denver, CO, 80222-1530. See
<br />Appendix C-4 of permit application on file with the Division for a copy of the
<br />permits.
<br />Permit No. 90GU194F, modification issued July 22, 1994, expires March 22,
<br />1998, for the Sanborn Creek Mine -Coal mining facility located one enile east
<br />of Somerset, Gunnison County, Colorado. Application for modification to
<br />increase coal production to 4,000,000 tons per year submitted 5/1/97. This
<br />permit covers, among other things, the transfer of coal from the Sanborn Creek
<br />Mine to the pre-existing coal loadout facility at the Somerset Mine.
<br />Permit No. 90GU477F issued May 17, 1994, expires March 21, 1998, is assigned
<br />to the preexisting coal loadout facility at the Somerset Mine. Although a
<br />permit number has been assigned to the loadout, the facility is considered a
<br />grandfathered source since it commenced operation prior to February 1, 1972.
<br />An Air Pollution Emissions Notice ("APEN") is required for the facility and
<br />referenced by Permit No. 90GU477F. Application for permit addressing
<br />loadout modifications submitted 5/1/97.
<br />Permit No. 91GU876 second modification issued July 22, 1994, expires March
<br />22, 1998, covers the stockpiles, stockpile conveyors, and truck travel assoctated
<br />with the coal produced at the Sanborn Creek Mine. Application for
<br />modification to increase stockpile capacity to 300,000 tons submitted 5/1/97.
<br />Permit No. 94GU286 initial approval issued July 22, 1994, expires May 1, 1999,
<br />for one McLanahan 36" X 72" Double-Roll Crusher used in conjunction wi[h
<br />the preexisting coal loadout facility at the Somerset Mine.
<br />Application for new permit for coal screening facility submitted 5/1/97.
<br />Application for new permit for West Valley Fill coal refuse and development
<br />waste disposal area submitted 5/1/97.
<br />(4) Gunnison County, 200 E. Virginia, Gunnison, CO, 81230. Gunnison County
<br />Land Use Change Permits. See Appendix D of permit application on file with
<br />the Division for copies of the permits.
<br />Permit No. 1990-51, approved December 18, 1990, for the Sanborn Creek Mine
<br />and surface facilities.
<br />Permit No. 1991-37, approved May 5, 1992, for the East Yard and Elk Creek
<br />coal stockpiles.
<br />tr~
<br />Perini[ Transfer (OCM to OM!) 2.03-11 Revised: 10/17/97
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