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Proposed Air Quality Permits 7132 and 7133 - Carrollsburg A, Condominium

Friday, January 27, 2017


Proposed Air Quality Permits 7132 and 7133, Carrollsburg A, Condominium, Construction and operation of two identical 65 kWe natural gas-fired MicroTurbines at 1250 4th Street SW

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, Washington, DC, intends to issue permits (Nos. 7132 and 7133) to Carrollsburg A, Condominium to construct and operate two (2) identical 65 kWe Capstone Turbine Corporation natural gas-fired MicroTurbines, designated MT1 and MT2, with serial numbers 8801 and 8802, respectively,  and located at 1250 4th Street SW, Washington DC.  The contact person for the facility is Chris Froehlich, General Manager, at (202) 554-5780.

Microturbines to be Permitted:

Equipment Name

ID Number

Serial Number

Rated Output (kWe)

Permit Number

Capstone MicroTurbine CHP Generator





Capstone Microturbine CHP Generator





The proposed emission limits are as follows:

a.   Each of the MicroTurbines shall not emit pollutants in excess of the following [20 DCMR 201]:

MicroTurbine Emission Limits (lb/hr)


Model C65

Carbon Monoxide (CO)


Oxides of Nitrogen (NOx)


Total Particulate Matter (PM Total)*


Sulfur Dioxide (SO2)


*PM Total includes both filterable and condensable fractions.

b.   Visible emissions shall not be emitted into the outdoor atmosphere from the MicroTurbines, except that discharges not exceeding forty percent (40 %) opacity (averaged) 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, if any, or malfunction of the microtrubines. [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]

The estimated maximum emissions from each of the two MicroTurbines are as follows:


Maximum Annual Emissions Using Natural Gas (tons/yr)

Carbon Monoxide (CO)


Oxides of Nitrogen (NOx)


Total Particulate Matter (PM Total)


Volatile Organic Compounds (VOCs)


Sulfur Dioxide (SO2)


The applications to operate the MicroTurbines and 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 permits and any request for a public hearing should be addressed to:

Stephen S. Ours, P.E. 
Chief, Permitting Branch - Air Quality Division

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

[email protected]


No comments or hearing requests submitted after February 20, 2017 will be accepted.
For more information, please contact Stephen S. Ours at (202) 535-1747.