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Proposed Air Quality Permit 6825 – Potomac Electric Power Company

PUBLIC NOTICE

Proposed Air Quality Permit 6825 – Potomac Electric Power Company, One 83 kW diesel fired emergency generator set at the Pepco Benning Service Center, Building 88, 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 #6825 to Potomac Electric Power Company (Pepco) to construct and operate one Kohler 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

Model Number

Permit No.

Bldg. 88,

Benning Road Service Center

3400 Benning Road, NE Washington, DC 20019

83 kW (133 hp)

80REOZJD

6825

The proposed emission limits are as follows:

  1. Emissions shall not exceed those found in the following table, as measured according to the procedures set forth in 40 CFR 89, Subpart E. [40 CFR 60.4205(b), 40 CFR 60.4202(a)(2) and 40 CFR 89.112(a)]

Emission Standards

Pollutant

g/kW-hr

 

NMHC+NOx

4.0

 

CO

5.0

 

PM

0.30

 

b.   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]

c.   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)

0.24

0.06

Oxides of Nitrogen (NOx)

0.62

0.16

Total Particulate Matter , PM (Total)

0.03

0.01

Volatile Organic Compounds (VOCs)

0.04

0.01

Sulfur Dioxide (SOx)

0.27

0.07

The application to construct and 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

Stephen.Ours@dc.gov

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

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