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Proposed Air Quality Permit 6727 – Potomac Electric Power Company (Pepco)

Proposed Air Quality Permit 6727 – Potomac Electric Power Company (Pepco), One existing 200 kW diesel fired emergency generator set at the Benning Road Service Center at 3400 Benning Road NE

Notice is hereby given that, pursuant to 40 C.F.R. Part 51.161, and D.C. Official Code §2-505, the Air Quality Division (AQD) of the District Department of the Environment (DDOE), located at 1200 First Street NE, 5th Floor, Washington, DC, intends to issue Permit #6727 to Potomac Electric Power Company (Pepco) to operate one Elliot emergency diesel generator, located in Washington, DC. The contact person for the facility is Shirley Harmon, Manager, Environmental Compliance & Performance Assessment, at (202) 331-6640.

Emergency Generator to be Permitted

Equipment Location 

Address

Generator (Engine) Size

Serial Number

Permit No.

Sub 41-230 kV

Benning Road Service Center

3400 Benning Road, NE Washington, DC 20019

200 kW (268 hp)

BX01J197

6727



The proposed emission limits are as follows:

a.   Visible emissions shall not be emitted into the outdoor atmosphere from the generator, except that discharges not exceeding forty percent (40%) opacity (unaveraged) shall be permitted for two (2) minutes in any sixty (60) minute period and for an aggregate of twelve (12) minutes in any twenty-four hour (24 hr.) period during start-up, cleaning, adjustment of combustion controls, or malfunction of the equipment [20 DCMR 606.1]

b.   An emission into the atmosphere of odorous or other air pollutants from any source in any quantity and of any characteristic, and duration which is, or is likely to be injurious to the public health or welfare, or which interferes with the reasonable enjoyment of life or property is prohibited. [20 DCMR 903.1]

The estimated emissions from the emergency generator are as follows:

Pollutant

Emission Rate (lb/hr)

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

1.79

0.45

Oxides of Nitrogen (NOx)

8.31

2.08

Total Particulate Matter , PM (Total)

0.59

0.15

Volatile Organic Compounds (VOCs)

0.66

0.17

Sulfur Dioxide (SOx)

0.55

0.14

The application to operate the emergency generator and the draft permit and supporting documents are available for public inspection at AQD and copies may be made available between the hours of 8:15 A.M. and 4:45 P.M. Monday through Friday.  Interested parties wishing to view these documents should provide their names, addresses, telephone numbers and affiliation, if any, to Stephen S. Ours at (202) 535-1747.

Interested persons may submit written comments or may request a hearing on this subject within 30 days of publication of this notice.  The written comments must also include the person’s name, telephone number, affiliation, if any, mailing address and a statement outlining the air quality issues in dispute and any facts underscoring those air quality issues.  All relevant comments will be considered in issuing the final permit.

Comments on the proposed permit and any request for a public hearing should be addressed to:

Stephen S. Ours     
Chief, Permitting Branch - Air Quality Division

District Department of the Environment
1200 First Street NE, 5th Floor
Washington, DC 20002

[email protected]

No written comments or hearing requests postmarked after March 17, 2014 will be accepted.

For more information, please contact Stephen S. Ours at (202) 535-1747.