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Smithsonian Institution, Hirschorn Museum, Proposed Emergency Generator Air Quality Permit

FISCAL YEAR 2013

PUBLIC NOTICE

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 air quality permit #6657 to the Smithsonian Institution to operate one (1) 300 kW diesel-fired emergency generator set at the Hirschorn Museum, located at 7th Street and Independence Ave SW, Washington, DC 20560.  The contact person for the facility is Kendra Gastright, Associate Director, Systems Engineering Division, at (202) 633-1560.

Emissions:

Maximum annual potential emissions from the unit are expected to be as follows:

 

Maximum Annual Emissions

Pollutant

(tons/yr)

Particulate Matter (PM) (Total)1

0.20

Sulfur Oxides (SOx)

0.19

Nitrogen Oxides (NOx)

2.82

Volatile Organic Compounds (VOC)

0.23

Carbon Monoxide (CO)

0.61

The proposed overall emission limits for the equipment are as follows:

a.   Emissions from this unit shall not exceed those in the following table [40 CFR 60.4205(b), 40 CFR 60.4202(b)(2) and 40 CFR 89.112(a)]:

Pollutant Emission Limits (g/kW-hr)

NMHC+NOx

CO

PM

4.0

3.5

0.20

b.   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].

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 permit application and supporting documentation, along with the draft permit are all 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 public 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 postmarked after January 7, 2013 will be accepted.

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