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Proposed Air Quality Permits 7014 and 7015 - MedStar National Rehabilitation Hospital

Friday, September 18, 2015


Proposed Air Quality Permits 7014 and 7015, MedStar National Rehabilitation Hospital, Two 5.230 MMBTU/hr dual fuel-fired boilers at 102 Irving Street NW

Notice is hereby given that, pursuant to 40 C.F.R. Part 51.161, and 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 #7014 and Permit #7015 to MedStar National Rehabilitation Hospital to operate two (2) Cleaver Brooks 5.230 MMBtu per hour natural gas/No. 2 fuel oil boilers, located at 102 Irving Street NW, Washington, DC. The contact person for the facility is Leo Garner, Director of Facilities/Safety Officer, at (202)877-1050.

Boiler to be Permitted

Equipment Location Address Boiler Size Boiler Serial Number Permit No.
MedStar National Rehabilitation Hospital 102 Irving Street NW Washington, DC 5.230 MMBtu/hr L-78868 7014
MedStar National Rehabilitation Hospital 102 Irving Street NW Washington, DC 5.230 MMBtu/hr L-78869 7015

The proposed emission limits are as follows:

  1. Each of the boilers (identified as Boiler #1and Boiler #2) shall not emit pollutants in excess of those specified in the following table [20 DCMR 201]:
Pollutant Short-Term Limit (Natural Gas) (lb/hr) Short-Term Limit (No. 2 Fuel Oil) (lb/hr)
Carbon Monoxide (CO) 0.43 0.19
Oxides of Nitrogen (NOx) 0.51 0.75
Total Particulate Matter (PM Total)* 0.039 0.12
Sulfur Dioxide (SO2) 0.003 0.008

*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]

  1. Particulate matter emissions from each of the boilers shall not be greater than 0.12 pounds per million BTU. [20 DCMR 600.1].

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 estimated maximum emissions from each of the boilers are as follows:

Pollutant Maximum Annual Emissions Using Natural Gas Only (tons/yr) Maximum Annual Emissions Using No. 2 Fuel Oil Only (tons/yr)
Carbon Monoxide (CO) 1.88 0.83
Oxides of Nitrogen (NOx) 2.23 3.28
Total Particulate Matter (PM Total) 0.17 0.53
Volatile Organic Compounds (VOCs) 0.12 0.06
Sulfur Dioxide (SO2) 0.013 0.03

The applications to operate the boilers and the draft permit 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 October 19, 2015 will be accepted.

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