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ENB Region 1 Completed Applications 08/03/2016

Suffolk County

Applicant:

New York Power Authority
123 Main St
White Plains, NY 10601

Facility:

Richard M Flynn Power Plant
607 Union Ave
Holtsville, NY 11742

Application ID:

1-4722-00926/00006

Permit(s) Applied for:

Article 19 Air Title V Facility
Article 19 Title IV (Phase II Acid Rain)

Project is Located:

Brookhaven, Suffolk County

Project Description:

The Department has prepared a draft permit and has made a tentative determination to approve the application to renew the Title V and Title IV permits for the Richard M. Flynn Power Plant. This power plant is located in Holtsville, Suffolk County. The plant is a combined cycle power plant consisting of one Siemens Combustion Turbine with a heat recovery steam generator (HRSG), a condensing steam turbine generator (STG) and associated exempt support activities which consist of an emergency generator and a diesel pump. The facility generates 150 MW of power. The Siemens turbine is rated at 1146 MMBtu/hr when firing natural gas (the primary fuel) and 1291 MMBtu/hr when firing No. 2 fuel oil (back-up fuel). The gas turbine is equipped with an inlet air fogger, which will be used when the ambient temperature is higher than 55 degrees F. The use of air defogger will increase the design capacity of the turbine to 1192 MMBtu/hr. The control equipment includes the Dry Low NOx Combustor within the turbine in combination with water injection to reduce oxides of nitrogen (NOx) emissions. Continuous Emission Monitoring Systems (CEMS) are in place to monitor the NOx and CO, and wet and dry O2 emissions from the turbine. Volatile Organic Compounds (VOC) and particulates emissions will be monitored upon request by the Department. Fuel consumption and water injection rates are monitored on a continuous basis. Fuel sulfur is monitored in the fuel oil on a per delivery basis. The power authority must continuously calculate the oil and gas flow rates to the turbine. Fuel flow rate shall be used to determine the mass emissions corresponding to the CEMS measured data.

In accordance with 6NYCRR Parts 621.7(b)(9) and 201-6.3(c), the Administrator of the United States Environmental Protection Agency (USEPA) has the authority to bar issuance of any Title V Facility Permit if it is determined not to be in compliance with applicable requirements of the Clean Air Act or 6NYCRR Part 201.

Persons wishing to inspect the subject Title V files, including the application with all relevant supporting materials, the draft permit, and all other materials available to the DEC (the "permitting authority") that are relevant to this permitting decision should contact the DEC representative listed below. The Draft Permit and Permit Review Report may be viewed and printed from the Department web site at: http://www.dec.ny.gov/chemical/32249.html.

DEC will evaluate the application and the comments received on it to determine whether to hold a public hearing. Comments and requests for a public hearing should be in writing and addressed to the Department representative listed below. A copy of the Department's permit hearing procedures is available upon request or on the Department web site at: http://www.dec.ny.gov/permits/6234.html.

Availability of Application Documents:

Filed application documents, and Department draft permits where applicable, are available for inspection during normal business hours at the address of the contact person. To ensure timely service at the time of inspection, it is recommended that an appointment be made with the contact person.

State Environmental Quality Review (SEQR) Determination:

Project is not subject to SEQR because it is a Type II action.

SEQR Lead Agency: None Designated

State Historic Preservation Act (SHPA) Determination:

The proposed activity is not subject to review in accordance with SHPA. The application type is exempt and/or the project involves the continuation of an existing operational activity.

Coastal Management:

This project is not located in a Coastal Management area and is not subject to the Waterfront Revitalization and Coastal Resources Act.

DEC Commissioner Policy 29, Environmental Justice and Permitting (CP-29)

It has been determined that the proposed action is not subject to CP-29.

Opportunity for Public Comment:

Comments on this project must be submitted in writing to the Contact Person no later than Sep 02, 2016.

Contact:

Susan Ackerman
NYSDEC Region 1 Headquarters
SUNY @ Stony Brook 50 Circle Rd
Stony Brook, NY 11790
(631)444-0365
R1DEP@dec.ny.gov


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