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Proposed Air Quality Permit 7124 - Hillwood Estate

Friday, December 30, 2016

PUBLIC NOTICE

Proposed Air Quality Permit 7124, Hillwood Estate, Museum & Gardens, Operation of one 600 kWe diesel-fired emergency generator set at 4155 Linnean Avenue 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 (#7124) to Hillwood Estate, Museum and Gardens to operate one existing (1) 600 kWe emergency generator set powered by a 900 hp diesel engine.  The generator is located at 4155 Linnean Avenue NW, Washington DC. The contact person for the facility is Don Rogers, Director of Facilities, phone number: 202-243-3921.

Emission Estimates:

Maximum emissions from this unit operating 500 hours per year are expected to be as follows:

                                                    

Maximum Annual Emissions

Pollutant

(tons/yr)

Particulate Matter (PM) (Total)                              

0.158

Sulfur Dioxide (SO2)

0.003

Nitrogen Oxides (NOx)

5.4

Volatile Organic Compounds (VOC)

0.159

Carbon Monoxide (CO)

1.238

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 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 January 30, 2017 will be accepted.

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