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Proposed Air Quality Permit 6234-R1 - Department of the Interior - National Park Service


Proposed Air Quality Permit 6234-R1 – Department of the Interior, National Park Service, One existing 119.3 kW diesel fired emergency generator engine at 5000 Glover Road NW, in Rock Creek Park

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 #6234-R1, to the Department of the Interior (DOI) National Park Service to operate the listed diesel-fired emergency generator engine located in Washington, DC. The contact person for the facility is Joe Kish, Environmental Specialist, at (202) 895-6079.

Emergency Generator to be Permitted

Equipment Location 

Equipment Location Address

Engine Size

Engine Serial Number

Permit No.

Rock Creek Park

5000 Glover Rd. NW Washington, DC 20016

119.3 kW (89 hp)



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 unit are as follows:


Emission Rate (lb/hr)

Maximum Annual Emissions (tons/yr)

Total Particulate Matter, PM (Total)



Sulfur Oxides (SOx)



Nitrogen Oxides (NOx)



Volatile Organic Compounds (VOCs)



Carbon Monoxide (CO)



The application to operate the generator and the draft permit 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 postmarked after August 26, 2013 will be accepted.

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