Detroit Edison Company - Permitting Information

1. Facility Information

Detroit Edison Company

2. Location

3500 Front Street, Monroe, MI

3. Distance from US/Canada Border

about 25 km

4. Facility Type and Size

proposed modification to the existing boilers

5. Sources of Emissions

Boiler # 3 (output 823 MW) and Boiler #4 (817 MW)

6. Type of Fuel

natural gas, coal, petroleum coke

7. Type and Quantity of Emissions

PSD APPLICABILITY TABLE
	Emissions (tpy)
Pollutant	Baseline Actual Emissions*	Potential to Emit for Existing Units (without control)	Potential to Emit for New Units	Potential Emissions Increase	Significant Level
PM	2,062	10,419	5.6	8,362.6	25
PM10	3,361	13,758	1.5	10,398.5	15
SO2	59,601	106,858	0.0	47,257	40
NOx	12,415	34,061	0.9	21,646.9	40
CO	4,229	15,895	0.3	11,666.3	100
VOC	171	240	0.0	69	40
Sulfuric Acid (H2SO4) Mist	913	1,069	0.0	156	7.0
Fluorides (as HF)	303	425	0.0	122	3.0
Lead	0.44	3.10	0.0	2.66	0.6
* Baseline period for all pollutants is from April 2007 to March 2009. This meets the NANSR requirement of a consecutive 24-month period.

8. Emission Control Technology

Low NOx burners, dry wire electrostatic precipitators, wet flue gas desulphurization systems, selective catalytic reduction systems, good combustion practices

9. Date Permit Application Received

April 2009

10. Stack Height and Diameter

The stacks’ minimum heights above ground level and maximum diameters are in concordance with 40 CFR 52.21 Subparts (c) and (d) (maximum diameter is 336 in and minimum height 805 ft)

11. Permit Agency Contact

Julie Brunner
Michigan Department of Natural Resources and Environment
Air Quality Division,
Constitution Hall,
525 West Allegan Street
PO Box 30260
Lansing, MI, 48909 - 7760
Tel. 517 373 - 7088