Notice of Application for State Air Quality Permit AQ1524CPT02 8 Star Alaska, LLC, Gas Treatment Plant

The Alaska Department of Environmental Conservation (ADEC) has made a preliminary decision to approve 8 Star Alaska, LLC’s application for Air Quality Control Construction Permit AQ1524CPT02 for the Gas Treatment Plant. Applicant: 8 Star Alaska, LLC Permittee Address: 3201 C Street, Suite 505, Anchorage, AK 99503 Location: Latitude 70.3199º North; Longitude 148.5573º West Prudhoe Bay, Alaska Application: 8 Star Alaska, LLC applied for a construction permit under 18 AAC 50.306. This public notice is for the preliminary draft of Construction Permit AQ1524CPT02. Activity: The Gas Treatment Plant is part of an integrated natural gas project to bring natural gas from Alaska’s North Slope to international markets in the form of liquefied natural gas, as well as for in-state deliveries in the form of natural gas. The Gas Treatment Plant will take gas from the Prudhoe Bay Unit and the Point Thomson Unit and treat/process the gas, before it is sent 807 miles through a 42-inch diameter pipeline to a liquefaction facility in Nikiski on Alaska’s Kenai Peninsula for export in foreign commerce. The emissions units at the stationary source will include cogeneration gas-fired turbines with supplemental firing duct burners for gas compression, simple cycle gas-fired turbines for power generation, gas-fired heaters for building and process heat, as well as flares for control of excess gas. In addition, the Gas Treatment Plant will include diesel-fired black start generator, several diesel-fired firewater pumps and emergency generators, and storage tanks for diesel and gasoline fuels. Emissions: The potential annual emissions of regulated air pollutants at the stationary source will not exceed: 2,709.03 tons of Nitrogen Oxides, 9,253.39 tons of Carbon Monoxide, 904.72 tons of Particulate Matter, 1,076.33 tons of Sulfur Dioxide, 13,137.41 tons of Volatile Organic Compounds, 7,283,683.63 tons of Carbon Dioxide Equivalent emissions, and 107.99 tons of Hazardous Air Pollutants (HAP), with the highest individual HAP (formaldehyde) estimated at 51.80 tons. The total annual potential emissions of regulated air pollutants, other than greenhouse gases, are 27,080.88 tons. ADEC Preliminary Review: Based on review of the application, ADEC drafted a preliminary permit decision for the Gas Treatment Plant under AS 46.14 and 18 AAC 50. Available Information: Copies of the permit applications, ADEC’s preliminary minor permit, technical analysis report (TAR), draft operating permit, and statement of basis (SOB) are available at the following offices: ADEC Air Permits Program, 410 Willoughby Avenue, Suite 303, Juneau, Alaska 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/. Additionally, other supporting documents such as information requests from ADEC, responses to those information requests, application materials, and spreadsheets used to make preliminary determinations are available at ADEC’s website at: https://dec.alaska.gov/air/air-permit/8-star-alaska-gtp-permit-extension. 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. ADEC complies with Title II of the Americans with Disabilities Act (ADA) 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 Kristin Mabry, kristin.mabry@alaska.gov, 1-907-334-0884; Alaska Relay Service/TTY/TDD 1-800-770-8973; or dial 711 by the 15th day of this public comment period to ensure that any necessary accommodations can be provided. Comments relevant to the preliminary minor permit and proposed operating permit may be submitted electronically via ADEC’s public notice site at https://dec.alaska.gov/Applications/Air/airtoolsweb/FormalComments, or to Joshua Klina by mail to P.O. Box 111800, Juneau, Alaska 99811, or by email to joshua.klina@alaska.gov and dec.air.comment@alaska.gov. Comments must be received by close of public comments period at 11:59 P.M. Alaska time on October 30, 2026. Except for comments classified under AS 46.14.520, all public comments submitted during the public comment period can be viewed at https://dec.alaska.gov/Applications/Air/airtoolsweb/AirPermitsApprovalsAndPublicNotices after the public comment period.