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Proposed Air Quality Permit 7149 - District of Columbia Water and Sewer Authority

Tuesday, January 24, 2017

PUBLIC NOTICE

Proposed Air Quality Permit 7149, District of Columbia Water and Sewer Authority (DC Water), Operation of one existing 300 kWe diesel-fired emergency generator set at the Bryant Street Pumping Station, 301 Bryant Street NW

Notice is hereby given that, pursuant to 40 C.F.R. Part 51.161, D.C. Official Code §2-505, and 20 DCMR §210, the Air Quality Division (AQD) of the Department of Energy and Environment (DOEE), located at 1200 First Street NE, Washington, DC, intends to issue a permit (#7149) to the District of Columbia Water and Sewer Authority (DC Water) to operate one existing 300 kWe Onan-Cummins emergency generator set with a Cummins diesel engine rated at 465.0 bhp (346.9 kWm) engine output.  The generator is located at Bryant Street Pumping Station, 301 Bryant Street NW, Washington DC. The contact person for the facility is Mark Babbitt, Supervisor, Permitting and Interagency Coordination, at (202) 787-2534.

The proposed emission limits are as follows:

a.   Visible emissions shall not be emitted into the outdoor atmosphere from this 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 generator engine are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

0.73

Oxides of Nitrogen (NOx)

3.40

Total Particulate Matter (PM Total)

0.24

Volatile Organic Compounds (VOCs)

0.28

Sulfur Dioxide (SOx)

0.00119

The application to operate the emergency generator and the draft permit are available for public inspection at AQD and copies may be made 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

Department of Energy and Environment
1200 First Street NE, 5th Floor
Washington DC 20002

[email protected]

No comments or hearing requests submitted after February 20, 2017 will be accepted.

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