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Proposed Air Quality Permits 6334-R1 through 6336-R1 - Washington Aqueduct

PUBLIC NOTICE

Proposed Air Quality Permits 6334-R1 through 6336-R1 – Washington Aqueduct, U.S. Army Corps of Engineers, Baltimore District , three existing 5,240,000 BTU/hr dual-fuel (natural gas and No. 2 fuel oil) fired boilers at the Dalecarlia Water Treatment Plant at 5900 MacArthur Blvd. 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 Permits (#6334-R1, #6335-R1 and #6336-R1) to Washington Aqueduct, U.S. Army Corps of Engineers, Baltimore District, to operate the listed fuel-burning equipment, located at the Dalecarlia Water Treatment Plant (WTP) in Washington, DC. The contact person for the facility is Shabir Choudhary, Section Supervisor, at (202) 764-2771.

Fuel-burning Equipment to be Permitted

Equipment Location 

Equipment

Address

Equipment Size

Model Number

Serial Number

Permit Number

Dalecarlia WTP

(Admin Building)

5900 MacArthur Blvd. NW, Washington, DC

5,240,000 Btu/hr

S4-X-125-15  

S625-15-27

6334-R1

Dalecarlia WTP

(Admin Building)

5900 MacArthur Blvd. NW, Washington, DC

5,240,000 Btu/hr

S4-X-125-15  

S625-15-28

6335-R1

Dalecarlia WTP

(Admin Building)

5900 MacArthur Blvd. NW, Washington, DC

5,240,000 Btu/hr

S4-X-125-15  

S625-15-26

6336-R1

The proposed emission limits are as follows:

  1. Each of the boilers shall not emit pollutants in excess of those specified in the following table [20 DCMR 201]:

Boiler Emission Limits

Pollutant

 

Short-Term Limit

(Natural Gas) (lb/hr)

Short-Term Limit

(No. 2 Fuel oil)

(lb/hr)

Carbon Monoxide (CO)

0.432

0.187

Oxides of Nitrogen (NOx)

0.514

0.748

Particulate Matter < 10 microns (PM10)

0.010

0.075

Volatile Organic Compounds (VOC)

0.029

0.013

Sulfur Dioxide (SO2)

0.003

0.265

b.   No visible emissions shall be emitted into the outdoor atmosphere from each boiler; except that no greater than 40% opacity (unaveraged) shall be permitted for two minutes per hour and for an aggregate of twelve minutes per 24-hour period during start-up, cleaning, soot blowing, adjustment of combustion controls, or malfunction. [20 DCMR 606.1]

  1. Particulate matter emissions from each unit shall not be greater than 0.12 pounds per million BTU. (Permittee is deemed to have complied with this requirement by burning natural gas or No. 2 fuel oil, unless other credible evidence of a violation of the standard is identified.) [20 DCMR 600.1]
  1. 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 likely to be injurious to the public health or welfare, or which interferes with the reasonable enjoyment of life and property is prohibited. [20 DCMR 903.1]

The maximum total estimated emissions from these Dalecarlia WTP boilers are as follows:

Pollutant

Maximum Annual Emissions (tons/yr)

Total Particulate Matter, PM (Total)

0.27

Sulfur Oxides (SOx)

0.15

Nitrogen Oxides (NOx)

3.39

Volatile Organic Compounds (VOCs)

0.18

Carbon Monoxide (CO)

2.85

The applications to operate the fuel-burning equipment and the draft renewal permits 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 permits.

Comments on the proposed permits 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

Stephen.Ours@dc.gov

No written comments or hearing requests postmarked after September 9, 2013 will be accepted.

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