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Proposed Air Quality Permits 6809 and 6810 - Pepco Energy Services

PUBLIC NOTICE

Proposed Air Quality Permits 6809 and 6810 – Pepco Energy Services, Inc., Two 9.9 MMBTU/hr natural gas fired temporary boilers at the Blue Plains Wastewater Treatment Plant at 5000 Overlook Ave 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 Permit Nos. 6809 and 6810 to Pepco Energy Services, Inc. to construct and operate two 9.9 million BTU per hour Cleaver Brooks natural gas temporary boilers, located at the Blue Plains Wastewater Treatment Plant (WWTP) in Washington, DC. The contact person for the applicant is Thomas E. McArtor, Director of Construction, Power & Thermal, at (703) 253-1799.

Temporary Boilers to be Permitted

Equipment Location 

Address

Equipment Size    (MMBTU/hr heat input)

Model Number

Permit No.

Blue Plains WWTP

5000 Overlook  Ave. SW Washington DC

9.9

CB200-250S

6809

Blue Plains WWTP

5000 Overlook  Ave. SW Washington DC

9.9

CB200-250S

6810

The proposed emission limits are as follows:

  1. Each of the two (2) identical 9.9 million BTU per hour Cleaver Brooks natural gas –fired 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)

Annual

(ton/yr)

Carbon Monoxide (CO)

0.36

1.56

Oxides of Nitrogen (NOx)

1.00

4.38

Particulate Matter < 10 microns (PM10)

0.10

0.43

Volatile Organic Compounds (VOC)

0.05

0.22

Sulfur Dioxide (SO2)

0.02

0.09

b.   Particulate matter emissions from each boiler shall not exceed 0.10 pound per million BTU. [20 DCMR 600.1]

c.   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]

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]

e.   Violation of standards set forth in Condition II(c), as a result of unavoidable malfunction, despite the conscientious employment of control practices, shall constitute an affirmative defense on which the Permittee shall bear the burden of proof.  Periods of malfunction shall cease to be unavoidable malfunctions if reasonable steps are not taken to eliminate the malfunction within a reasonable time. [20 DCMR 606.5]

f.    Where the presence of uncombined water is the only reason for failure of an emission to meet the requirements of Condition II(c), the latter shall not be applicable. [20 DCMR 606.7]

The estimated maximum emissions from each temporary boiler are as follows:

Pollutant

Emission Rate (lb/hr)

Maximum Annual Emissions (tons/yr)

Carbon Monoxide (CO)

0.36

1.56

Oxides of Nitrogen (NOx)

1.00

4.38

Total Particulate Matter , PM (Total)

0.10

0.43

Volatile Organic Compounds (VOCs)

0.05

0.22

Sulfur Dioxide (SOx)

0.02

0.09

The applications to construct and operate the temporary boilers, the draft permits, 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

District Department of the Environment
1200 First Street NE, 5th Floor
Washington, DC 20002

[email protected]

No written comments or hearing requests postmarked after December 23, 2013 will be accepted.

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