Notice of Preliminary Decision to Approve TDX North Slope Generating, Inc's Application for an Air Quality Control Minor Permit for the TNSG North Power Plant

The Alaska Department of Environmental Conservation (ADEC) has made a preliminary decision to approve TDX North Slope Generating, Inc.’s application for Air Quality Control Minor AQ1459MSS02 for the TNSG North Power Plant. ADEC intends to incorporate the minor permit into the Title V operating permit as an administrative revision after EPA’s 45-day review, per 18 AAC 50.542(e).

TDX North Slope Generating, Inc., 3601 C Street, Suite 100 Anchorage, AK 99503

Norgasco #1, Spine Road Deadhorse, AK 99734

TDX North Slope Generating, Inc.’s application is classified under 18 AAC 50.508(5) to install and operate a black start generator at the TNSG North Power Plant and to establish owner requested limits to avoid a minor permit classification under 18 AAC 50.502(c)(3) for oxides of nitrogen emissions.

Potential emissions of the stationary source will change by 9.9 tpy for NOx, 2.3 tpy for CO, 0.6 tpy for SO2, 3.1 tpy for VOC, and 0.3 tpy for PM/PM10/PM2.5.

ADEC Preliminary Review:
Based on review of the application, ADEC drafted a preliminary permit decision for this project under AS 46.14 and 18 AAC 50.

Available Information:
Copies of the permit application, ADEC’s preliminary permit and technical analysis report (TAR) are available at the following offices:

ADEC Air Permits Program, 410 Willoughby Avenue, 2nd floor, Juneau, AK 99801

ADEC Air Permits Program, 555 Cordova Street, Anchorage, AK 99501

For inquiries and copies of documents you may contact Grace Petersen at the Juneau address listed above, or call (907) 465-1310. The preliminary permit and TAR are also available at ADEC’s website at:

Opportunity for Public Participation:
Any interested person may present written statements relevant to the preliminary decision within 30 days after the first publication date. ADEC will consider all comments received and make any changes ADEC finds beneficial or necessary to assure compliance with 18 AAC 50 or state law. ADEC will issue a final decision to issue or deny the permit after the close of the public comment period. Any person may request a public hearing and that hearing will be held if ADEC finds that good cause exists.

ADEC complies with Title II of the Americans with Disabilities Act of 1990. If you are a person with a disability who may need a special accommodation in order to participate in this public process, please contact Theresa Zimmerman at (907) 465-6171 or TDD Relay Service 1-800-770-8973/TTY or dial 711 by the 15th day of this public comment period to ensure that any necessary accommodations can be provided.

Please direct written statements or requests relevant to the preliminary permit to Grace Petersen at ADEC’s office, by mail to PO Box 111800, Juneau, AK 99811, by facsimile at (907) 465-5129 or send e-mail to Comments must be received by close of public comments period at 4:30 p.m. on August 14, 2019.

Attachments, History, Details



Revision History

Created 7/15/2019 11:30:34 AM by cfishwick


Department: Environmental Conservation
Category: Public Notices
Location(s): Statewide
Project/Regulation #:
Publish Date: 7/15/2019
Archive Date: 8/15/2019
  • Comments Due
    8/14/2019 4:30pm