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Proposed Air Quality Permit 7125 - Architect of the Capitol

Friday, October 21, 2016

PUBLIC NOTICE

Proposed Air Quality Permit 7125, Architect of the Capitol, Construction and operation of one 2,000 kWe diesel-fired emergency generator set at the Cannon House Office Building, Independence and New Jersey Avenues SE

Notice is hereby given that, pursuant to 40 C.F.R. Part 51.161, D.C. Official Code §2-505, and 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 No. 7125 to the Architect of the Capitol to construct and operate one 2,000 kWe diesel-fired emergency generator set with a 3,058 hp engine at the Cannon House Office Building, located at Independence and New Jersey Avenues SE Washington, DC 20016. The contact person for the facility is William Weidemeyer, Superintendent, at (202) 225-7012.   

Emissions:

Maximum emissions from the emergency generator set, operating two hundred fifty (250) hours per year (a requested limit on operating hours proposed to be included as a permit condition), are expected to be as follows:

                                                   

Maximum Annual Emissions

Pollutant

(tons/yr)

Total Particulate Matter (PM Total)

0.11

Sulfur Dioxide (SO2)

                                  <0.01

Nitrogen Oxides (NOx)

3.32

Volatile Organic Compounds (VOC)

0.14

Carbon Monoxide (CO)

0.63

The proposed overall emission limits for the equipment are as follows:

a.   Emissions from the generator set shall not exceed those found in the following table as measured using 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), and 40 CFR 89.112(a)-(c)]

Pollutant Emission Limits (g/kWm-hr)

NMHC+NOx

CO

PM

6.4

3.5

0.20

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 Condition II(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 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 
Chief, Permitting Branch - Air Quality Division

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

[email protected]

No written comments or hearing requests submitted after November 21, 2016 will be accepted.

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