1. Facility Information

Marathon Ashland

2. Location

1300 South Fort Street, Detroit, MI

3. Distance from US/Canada Border

about 1 Km

4. Facility Type and Size

refinery, processes crude oil

5. Sources of Emissions

fluid catalytic cracking unit

6. Type of Fuel

crude oil

7. Type and Quantity of Emissions

CO - 537 TPY
NOx - 404 TPY
PM - 66.6 TPY
SO2 - 473 TPY

8. Emission Control Technology

catalyst regenerator, electrostatic precipitator

9. Date Permit Application Received

June 24, 2005

10. Stack Height and Diameter

stacks' minimum heights and maximum diameters are in concordance with 40 CFR 52.21 Subparts (c) and (d).

11. Permit Agency Contact

Terry Wright
Michigan Department of Environmental Quality,
Air Quality Division,
Hollister Building,
106 West Allegan Street
PO Box 30260
Lansing, MI, 48909 - 7760
Tel. 517 373- 0100