PERMFILE122682

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 6/30/2005
• Doc Name: CDoPH&E Air Pollution Control Permits
• Section_Exhibit Name: Exhibit 2.03-E4 Part 4
• Media Type: D
• Archive: Yes

Oxbow Mining, LLC
Permit No. 98GU0812
Final Approval Colorado Department of Public Health and Environment
page 2 Air Pollution Control Division
The permit holder shall calculate emissions monthly and keep a compliance record on site in
order to demonstrate compliance with the above emission limitations. The permit holder shall
calculate annual emissions by the end of each month. Annual emissions shall be calculated based
on the previous twelve (12) months' emission data. These calculated annual emissions shall be
used to demonstrate compliance with the yearly emission limit listed above.
4. This source shall be limited to a maximum processing rate as listed below and aU other activities,
operational rates and numbers of equipment as stated in the application. Daily records of the
actual processing rate shall be maintained by the applicant and made available to the Division for
inspection upon request. Compliance with the yearly limits shall be determined on a rolling twelve
(12) month total. (Reference: Regulation 3, Part B,III.A.4)
Processing of coal shall not exceed 36,000 tons per day, and 7,000,000 tons per year.
Coal conveying shall not exceed 36,000 tons per day, and 7,000,000 tons per year.
Coal crushing shall not exceed 23,400 tons per day, and 4,550,000 tons per year.
Coal screening shall not exceed 18,000 tons per day, and 3,500,000 tons per year per screen.
Coal crushing in the rotary breaker shall not exceed 2400 tons per day, and 450,000 tons per
year.
Coal conveying in the reclaim tunnel shall not exceed 36,000 tons per day, and 7,000,000 tons
per year.
Rock loading at the Dump Station shall not exceed 274 tons per day, and 100,000 tons per year.
Rock dust throughput in the Rock Dust Silo shall not exceed 68 tons per day, and 13,307 tons per
year.
5. The Division's approval of the control plan is based on the submitted production level as listed
below. Prior to any increase in daily or annual production rates, the applicant shall submit an Air
Pollutant Emission Notice and Control Plan revision which will be subject to Division review and
approval to ensure compliance with the National Ambient Air Quality Standards for particulate
matter. Records of the actual production rate shall be maintained by the applicant and made
available to the Division for inspection upon request. Compliance with the yearly limits shall be
determined on a rolling twelve (12) month total. (Reference: Regulation 1, III.D.1.b.)
Loading of coal to trucks shall not exceed 2000 tons per day and 600,000 tons per year.
Hauling of coal shall not exceed 2000 tons per day and 600,000 tons per year.
Hauling of waste rock shall not exceed 274 tons per day and 100,000 tons per year.
Bulldozing shall not exceed 48 dozer hours per day and 4380 dozer hours per year.
The main coal stockpile shall not exceed 3.61 acres.
The rock stockpile in the II West Coal Refuse Facility shall not exceed 1.98 acres.
This activity shall not result in the exceedence of the following emissions of fugitive total
suspended particulates (TSP) and fugitive particulate matter of less than ten microns (PM ~a).
These emission limits are based on the production rates listed above. The Division assumes that
these levels are being met if the control measures stated in the approved control plan are followed
and the stated process rates are not exceeded.
Total Suspended Particulates: 88.89 tons per year
Particulate Matter (PM,o): 31.36 tons per year
6. The following transfer points shall be fully enclosed. Transfer point numbers are the same as in
the application: 8 through 27, and 29.
7. The following shall be partially enclosed. Transfer point numbers are the same as in the
application: Rock loading at the dump station.
05110007/999 ver. 2/00