PUBLIC NOTICE
STATE OF ALASKA
DEPARTMENT OF ENVIRONMENTAL CONSERVATION

Oil Search (Alaska), LLC
Seawater Treatment Plant

The Alaska Department of Environmental Conservation (ADEC) has made a preliminary decision to approve Oil Search (Alaska), LLC’s application for Air Quality Control Minor Permit No. AQ1651MSS02 for the Seawater Treatment Plant.  

Applicant:     Oil Search (Alaska), LLC
                        601 West 5th Avenue
                        Anchorage, AK 99501

Location:       Northing: 7,825 km; Easting: 393 km; UTM Zone: 6

Activity:         Oil Search (Alaska), LLC applied for a minor permit under 18 AAC 50.502(c)(3)(a)(iii) for modification to an existing stationary source that would result in an increase of potential emissions of oxides of nitrogen (NO_x) exceeding 10 tons per year (TPY); under 18 AAC 50.508(5) for establishing Owner Requested Limits (ORLs) to avoid PSD review under 18 AAC 50.306 for carbon monoxide (CO) and volatile organic compounds (VOCs); and under 18 AAC 50.508(6) for revising and rescinding permit terms and conditions of the previous permit, Minor Permit No. AQ1651MSS01.

Emissions:     The potential annual emissions of regulated air pollutants at the stationary source will not exceed: 120.85 tons of NO_x, 243.94 tons of CO, 9.53 tons of Particulate Matter (PM), 78.44 tons of Sulfur Dioxide (SO₂), 30.39 tons of VOCs, 157,724.90 tons of carbon dioxide equivalent emissions (CO₂e), and 1.67 tons of hazardous air pollutants (HAPs), with highest individual HAP (formaldehyde) estimated at 0.62 tons. The total annual potential emissions of regulated air pollutants, other than greenhouse gases, are 483.16 tons.

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(s), ADEC’s preliminary minor permit and technical analysis report (TAR) 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/

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 ADA Coordinator Mike Kruzinski, mike.kruzinski@alaska.gov, 1-907-334-0884; Alaska Relay Service/TTY/TDD 1-800-770-8973; 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 preliminary minor 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 PO Box 111800, Juneau, AK 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 April 28, 2025. 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.