Notice of Application for State Air Quality Permit AQ0215TVP05, City of Unalaska, Dutch Harbor Power Plant

The Alaska Department of Environmental Conservation (ADEC) has made a preliminary decision to approve the City of Unalaska’s application for Air Quality Control Operating Permit No. AQ0215TVP05 for the Dutch Harbor Power Plant under Alaska Statutes 46.14 and regulation 18 AAC 50. Applicant: City of Unalaska PO Box 610 Unalaska, AK 99685 Location: Latitude: 53o 53 ́ 18.6" North; Longitude: 166o 32 ́ 14.28" West Activity: The Dutch Harbor Power Plant is a diesel-electric generating facility. Application: As required by 18 AAC 50, the City of Unalaska applied for a renewal operating permit for the Dutch Harbor Power Plant. ADEC received the application on March 13, 2023. Emissions: The potential annual emissions of regulated air pollutants at the facility are: 29 tons of particulate matter, 1,262 tons of nitrogen oxides (NO X ), 5 tons of sulfur dioxide (SO 2 ), 134 tons of carbon monoxide (CO), and 51 tons of volatile organic compounds (VOC). The total potential emissions of regulated

air contaminants is 1,481 tons per year. ADEC Preliminary Review: Based on review of the application, ADEC drafted a preliminary permit decision for the Dutch Harbor Power Plant. Available Information: Copies of the permit application, ADEC’s draft operating permit, and draft statement of basis (SOB) are available at the following offices: ADEC Air Permits Program, 333 Willoughby Ave, Ste 800, State Office Bld. Juneau, AK 99801 ADEC Air Permits Program, 555 Cordova Street, Anchorage, AK 99501 These documents are also available at ADEC’s website at: http://dec.alaska.gov/Applications/Air/airtoolsweb/AirPermitsApprovalsAndPublicNotices/ Opportunity for Public Participation: Any interested person may present written statements relevant to the draft documents, as long as they are received by the close of the public comment period. 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. 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 Megan Kohler at 907 269 4198 or TDD Relay Service 1-800-770-8973/TTY or dial 711 by the 15 th day of this public comment period to ensure that any necessary accommodations can be provided. Comments relevant to the draft operating permit may be submitted electronically via ADEC’s public notice site at https://aq.alaskadec.commentinput.com?id=G89KYE7b3 or to Zach Boyden by mail to 555 Cordova Street, Anchorage, AK 99501 or by email to zachary.boyden@alaska.gov. Comments must be received by close of public comments period at 11:59 PM Alaska time on February 12, 2024. Public comments submitted during the comment period can be viewed at https://aq.alaskadec.commentinput.com?id=G89KYE7b3 after the public comment period closes.