Sorry, you need to enable JavaScript to visit this website.

doee

DOEE
Menu

Proposed Air Quality Permit 6914 - Comcast of the District

Friday, April 3, 2015

PUBLIC NOTICE

Proposed Air Quality Permit 6914, Comcast of the District, LLC, One 250 kWe diesel fired emergency generator set at 900 Michigan Avenue NE

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 #6914 to Comcast of the District, LLC  (the Permittee) to construct and operate a 250 kW Cummins DQDAA Serial # L130610224 emergency generator set with a 464 HP diesel-fired engine at the property located at 900 Michigan Avenue NE, Washington, DC. The contact person for the facility is Tiffanie Hall, Sr. Manager, Business Operations at (410) 729-8023.

The proposed emission limits are as follows:

  1. Emissions shall not exceed those found 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)

NOx

CO

PM

4.0

3.5

0.20

b.   Visible emissions shall not be emitted into the outdoor atmosphere from the 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.   In addition to Condition II(b), exhaust opacity, measured and calculated as set forth in 40 CFR 86, Subpart 1, shall not exceed [40 CFR 60.4205(b), 40 CFR 60.4202(a), and 40 CFR 89.113]:

1.   20 percent during the acceleration mode;

2.   15 percent during the lugging mode;

3    40 percent during the peaks in either the acceleration or lugging modes.  Note that this condition is streamlined with the requirements of 20 DCMR 606.1.

d.   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 are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

0.66

Oxides of Nitrogen (NOx)

0.77

Total Particulate Matter (PM Total)

0.04

Oxides of Sulfur (SOx)

0.24

Volatile Organic Compounds (VOCs)

0.77

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 May 4, 2015 will be accepted.

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