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Proposed Air Quality Permit 6917 – New Cingular Wireless PCS

Friday, January 9, 2015

PUBLIC NOTICE

Proposed Air Quality Permit 6917 – New Cingular Wireless PCS, LLC dba AT&T Mobility, One 80 kW natural gas fired emergency generator set at 1818 Newton Street NW

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 Permit #6917 to New Cingular Wireless PCS, LLC dba AT&T Mobility to construct and operate one emergency natural gas fired generator located in Washington, DC. The contact person for the facility is Barbara Walden, Manager, Environment, Health and Safety, at (925) 327-2532.

Emergency generator to be permitted:

Equipment Location 

Address

Generator Size

Engine Size 

Permit No.

AT&T Mobility

1818 Newton Street NW

Washington, DC

AT&T Mobility

1818 Newton Street NW

Washington, DC 20010

80 kW

124.94 bhp

6917

The proposed emission limits are as follows:

a.   Emissions from each unit shall not exceed those in the following table, as measured according to the procedures set forth in 40 CFR 89, Subpart E  [40 CFR 60.4233(d), and 40 CFR 60 Subpart JJJJ, Table 1]:

Pollutant Emission Limits (g/hp-hr)

NOx + HC

CO

10.0

387

b.   Visible emissions shall not be emitted into the outdoor atmosphere from the generator engines, 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 estimated emissions from the generator engine are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

8.111

Oxides of Nitrogen (NOx)

0.127

Total Particulate Matter (PM Total)

0.005247

Volatile Organic Compounds (VOCs)

0.123

Oxides of Sulfur (SOx)

0.000159

The application to operate the emergency generator and the draft permit and supporting documents 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 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 February 9, 2015 will be accepted.

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