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Proposed Air Quality Permit 6918 – New Cingular Wireless PCS

Friday, October 31, 2014

PUBLIC NOTICE

Proposed Air Quality Permit 6918 – New Cingular Wireless PCS, LLC, dba AT&T Mobility, One 50 kW diesel fired emergency generator set at 4240 Massachusetts Avenue SE

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 #6918 to New Cingular Wireless PCS, LLC, dba AT&T Mobility, to construct and operate one diesel fired emergency generator set, located in Washington, DC. The contact person for the applicant is Barbara Walden, Manager, Environment, Health and Safety, at (925) 327-2532.

Emergency Generator to be Permitted

Equipment Location 

Address

Generator Standby Rating (Engine Size)

Model Numbers (Engine/ Generator)

Permit No.

4240 Massachusetts Ave. SE

Washington, DC

4240 Massachusetts Ave. SE

Washington, DC 20019

50 kW

(86 bhp/64.2 kW)

Generac/ SD050

6918

The proposed emission limits are as follows:

a.   Emissions from this 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 60.4205(b), 40 CFR 60.4202(a)(2) and 40 CFR 89.112(a)]:

Pollutant Emission Limits (g/kW-hr)

NMHC+NOx

CO

PM

4.7

5.0

0.40

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 estimated maximum emissions the emergency generator set  are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

0.05

Oxides of Nitrogen (NOx)

0.15

Volatile Organic Compounds (VOC)

0.15

Total Particulate Matter (PM Total)

0.01

Sulfur Dioxide (SOx)

0.04

The application to construct and operate the emergency generator set 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 December 1, 2014 will be accepted.

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