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Proposed Air Quality Permits 6804 and 6805 - United States Postal Service

PUBLIC NOTICE

Proposed Air Quality Permits 6804 and 6805 – United States Postal Service, Two existing 10 MMBTU/hr dual fuel boilers at the headquarters building at 475 L’Enfant Plaza SW

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 permits (#6804 and #6805) to the United States Postal Service to operate two 10.0 MMBtu per hour dual fuel (natural gas and No. 2 fuel oil) fired boilers at the United States Postal Service Headquarters facility located at 475 L’Enfant Plaza Southwest, Washington, DC, 20260. The contact person for the facility is Stephen Hurley, Manager of Facility Services at (202) 268-2091. 

Emissions:

Maximum emissions from both units operating 24 hours per day for 365 days per year are expected to be as follows:

                                                   

Maximum Annual Emissions

Pollutant

(tons/yr)

Particulate Matter (PM) (Total)                              

2.11

Sulfur Dioxide (SO2)

4.54

Nitrogen Oxides (NOx)

12.78

Volatile Organic Compounds (VOC)

0.46

Carbon Monoxide (CO)

7.01

The proposed overall emission limits for each boiler are as follows:

  1. Each of the two identical 10.0 million BTU per hour Cleaver Brooks dual-fueled boilers shall not emit pollutants in excess of those rates specified in the following table [20 DCMR 201]:

Boiler Emission Limits

Pollutant

 

Short-Term Limit

(Natural Gas) (lb/hr)

Short-Term Limit

(#2 Fuel Oil) (lb/hr)

Carbon Monoxide (CO)

0.80

0.365

Oxides of Nitrogen (NOx)

0.950

1.46

Total Particulate Matter (PM Total)*

0.070

0.240

Sulfur Dioxide (SO2)

0.005

0.52

*PM Total includes both filterable and condensable fractions. 

b.   Visible emissions shall not be emitted into the outdoor atmosphere from the boilers, 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.   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]

d.   Total suspended particulate matter (TSP) emissions from each of the boilers shall not exceed 0.102 pound per million BTU. [20 DCMR 600.1]

The permit applications and supporting documentation, along with the draft 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 permit.

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

[email protected]

No written comments or hearing requests postmarked after July 7, 2014 will be accepted.

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