ddoe

Department of Energy & Environment
 

DC Agency Top Menu


-A +A
Bookmark and Share

Notice of Public Comment Period - Draft Air Quality Permit 6743-R1 - DC Water and Sewer Authority

Friday, September 20, 2019

PUBLIC NOTICE

Notice of Public Comment Period – Draft Air Quality Permit 6743-R1, District of Columbia Water and Sewer Authority (DC Water)

Notice is hereby given that, pursuant to 20 DCMR § 210, the Air Quality Division (AQD) of the Department of Energy and Environment (DOEE), located at 1200 First Street NE, 5th Floor, Washington DC, intends to issue air quality permit No. 6743-R1 to the District of Columbia Water and Sewer Authority (DC Water), to operate one Cummins diesel-fired emergency generator set, located at the pumping station at 16th Street and Alaska Avenue NW, Washington, DC. The contact person for the applicant is Kenrick St.Louis, Director, at (202) 264-3861.

Emergency Generator to be Permitted

Equipment Location 

Address

Generator Standby Rating (Engine Size)

Model Numbers (Engine/ Generator)

Permit No.

Pumping Station at the Intersection of 16th Street  and Alaska Avenue NW 

16th St and Alaska Ave NW Washington, DC 20012

100 kWe

(162 bhp)

QSB7-G5 NR3/ 100DSGAA

6743-R1

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 for NMHC, NOx, and CO and 40 CFR 89.112(c) for PM. [40 CFR 60.4205(b), 40 CFR 60.4202(a)(2) and 40 CFR 89.112(a)-(c)]:

Pollutant Emission Limits (g/kW-hr)

NMHC+NOx

CO

PM

4.0

5.0

0.30

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.   In addition to the requirements of Condition (b), exhaust opacity, measured and calculated as set forth in 40 CFR 86, Subpart I, 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 maximum emissions the emergency generator set are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

0.07

Oxides of Nitrogen (NOx)

0.17

Volatile Organic Compounds (VOC)

0.01

Total Particulate Matter , PM (Total)

0.01

Sulfur Dioxide (SOx)

0.0005

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, P.E.        
Chief, Permitting Branch - Air Quality Division

Department of Energy and Environment
1200 First Street NE, 5th Floor
Washington
, DC 20002

[email protected]


No comments or hearing requests submitted after October 21, 2019 will be accepted.

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