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Notice Requesting Public Comment on Draft Title V and Chapter 2 Air Quality Operating Permit for Washington Gas Company, Watergate Central Plant

PUBLIC NOTICE

AIR QUALITY TITLE V OPERATING PERMIT AND GENERAL PERMIT
FOR WASHINGTON GAS COMPANY, WATERGATE CENTRAL PLANT

Notice is hereby given that Washington Gas Company has applied for a Title V air quality permit pursuant to the requirements of Title 20 of the District of Columbia Municipal Regulations, Chapters 2 and 3 (20 DCMR Chapters 2 and 3) to operate the following emission units at the Watergate Central Plant:  two boilers rated at 51.75 million BTU per hour (MMBTU/hr), one  boiler rated at 52.82 MMBTU/hr., 30-gallon cold solvent cleaner, five 10,000 gallon fuel oil tanks  and three electric chillers using R-134a refrigerant.  The Watergate Central Plant is located at 2500 Virginia Avenue NW, Washington, DC 20037.  The contact person for the facility is Hillery A. Kelly, Senior Environmental Specialist at (703) 750-5846.

With the potential to emit approximately 49.73 tons per year of oxides of nitrogen (NOx), the facility has the potential to emit greater than the District’s major source threshold of 25 tons per year of NOx.  Therefore, the facility is classified as a major source of air pollution and is subject to 20 DCMR Chapter 3 and must obtain an operating permit under that rule.

The facility has one 30-gallon cold solvent cleaner which is being permitted pursuant to 20 DCMR 200 for the first time by this permitting process. The solvent cleaner has the potential to emit 0.03 tons per year of volatile organic compounds. Emissions from this unit will be controlled by the application of operational standards.  Additionally, the emissions of odorous and other air pollutants from the unit which are or are likely to be injurious to the public health or welfare, or which interfere with the reasonable enjoyment of life or property is prohibited pursuant to 20 DCMR 903.1.

The District Department of the Environment (DDOE) has reviewed the permit application and related documents and has made a preliminary determination that the applicant meets all applicable air quality requirements promulgated by the U.S. Environmental Protection Agency (EPA) and the District.  Therefore, draft permit #012-R2 has been prepared.

The application, the draft permit, and all other materials submitted by the applicant [except those entitled to confidential treatment under 20 DCMR 301.1(c)] considered in making this preliminary determination are available for public review during normal business hours at the offices of the District Department of the Environment, 1200 First Street NE, 5th Floor, Washington DC 20002.

A public hearing on this permitting action will not be held unless DDOE has received a request for such a hearing within 30 days of the publication of this notice.  Interested parties may also submit written comments on the permitting action.  Hearing requests or comments should be directed to Stephen S. Ours, DDOE Air Quality Division, 1200 First Street NE, 5th Floor, Washington DC 20002.  Questions about this permitting action should be directed to Olivia Achuko at (202) 535-2997 or olivia.achuko@dc.gov.  Comments or hearing requests will not be accepted after June 10, 2013.