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Proposed Air Quality Permit 6553-R1, Smithsonian Institution, National Zoological Park

Friday, May 29, 2015

PUBLIC NOTICE

Proposed Air Quality Permit 6553-R1, Smithsonian Institution, National Zoological Park, One existing 25 kWe propane fired emergency generator set at the Lion/Tiger House of the National Zoological Park, 3001 Connecticut 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 District Department of the Environment (DDOE), located at 1200 First Street NE, 5th Floor, Washington, DC, intends to issue air quality permit #6553-R1 to the Smithsonian Institution, National Zoological Park to operate one (1) 25 kWe emergency generator set with a 51.5 hp propane fired engine at 3001 Connecticut Avenue NW, Washington, DC. The contact person for the facility is John Michael Bixler, Deputy Director of Facilities Management, at (202) 633-2573.

The proposed emission limits are as follows:

  1. Emissions from the unit shall not exceed those in the following table: [40 CFR 60.4233(d) and 40 CFR 60, Subpart JJJJ, Table 1]

Pollutant Emission Limits (g/hp-hr)

HC+NOx

CO

10

387

  1. 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]. 
  1. 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 set, assuming 500 hours of operation per year, are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

0.86

Oxides of Nitrogen (NOx)

0.23

Total Particulate Matter (PM Total)

0.0177

Oxides of Sulfur (SOx)

0.0000596

Volatile Organic Compounds (VOCs)

0.0357

The permit application and supporting documentation, along with 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 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

[email protected]

No written comments or hearing requests postmarked after June 29, 2015 will be accepted.

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