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Notice of Public Comment Period - Draft Air Quality Permits 6261-R2 through 6263-R2 - Army Corps of Engineers

Friday, May 31, 2019

PUBLIC NOTICE

Draft Air Quality Permits 6261-R2 through 6263-R2, U.S. Army Corps of Engineers, Baltimore District, Washington Aqueduct, Operation of three existing 600 kWe diesel-fired emergency generator sets at the McMillan Water Treatment Plant, 2500 1st Street NW

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 Permit Nos. 6261-R2, 6262-R2, and 6263-R2 to the U.S. Army Corps of Engineers, Baltimore District, Washington Aqueduct, to operate three Cummins 600 kWe diesel-fired emergency generator sets, each powered by a 1,135 bhp engine, located  at McMillan Water Treatment Plant (WTP), 2500 1st  Street NW, Washington DC. The contact person for the facility is Shabir Choudhary, Section Chief, WEE Section, phone number: (202) 764-2771. 

Emergency Generators to be Permitted

Equipment Location

Address

Generator (Engine) Size

Model Number

Serial Number

Permit No.

McMillan WTP

2500 1st St. NW, Washington,  DC 20001

600 kWe (1,135 hp)

KTA38-G1 Cummins

97208/1

6261-R2

McMillan WTP

2500 1st St. NW, Washington,  DC 20001

600 kWe (1,135 hp)

KTA38-G1 Cummins

97208/3

6262-R2

McMillan WTP

2500 1st St. NW, Washington,  DC 20001

600 kWe (1,135 hp)

KTA38-G1 Cummins

97208/2

6263-R2

The proposed emission limits are as follows:

a.   Visible emissions shall not be emitted into the outdoor atmosphere from the generator sets, 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].

b.   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 annual emissions from each of the generator sets are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

1.56

Oxides of Nitrogen (NOx)

6.81

Total Particulate Matter (PM Total)

0.20

Volatile Organic Compounds (VOCs)

0.20

Oxides of Sulfur (SOx)

0.003

The applications to operate the generator sets and the draft permit document 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

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

[email protected]

 

No comments or hearing requests submitted after July 1, 2019 will be accepted.

 

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