Notice of Application for Air Quality Control Permit AQ0289TVP04 Teck Alaska Inc, DMTS Port Facility

The Alaska Department of Environmental Conservation (ADEC) proposes to renew Air Quality Control Operating Permit AQ0289TVP04 for the DeLong Mountain Regional Transportation System (DMTS) Port Facility, under Alaska Statutes 46.14 and regulation 18 AAC 50. Applicant: Teck Alaska Inc. 2525 C Street, Suite 310 Anchorage, Alaska 99503 Location: 67° 34' 27.3” North; 164° 03' 07.0” West; within Cape Krusenstern National Monument; 55 miles northwest of Kotzebue, AK Application: As required by 18 AAC 50, Teck Alaska, Inc. submitted an application for a renewal Title V operating permit on May 3, 2021. Activity: The port stockpiles and conveys zinc and lead concentrate produced by the mine. Emissions: The potential annual emissions of regulated air pollutants at the facility are: 28.3 tpy PM, 247.0 tpy NOx, 88.5 tpy SO2, 41.7 tpy CO, and 15.9 tpy VOCs. ADEC Preliminary Review: Based on review of the application, ADEC drafted a preliminary permit decision for the DMTS Port Facility under AS

46.14 and 18 AAC 50. Available Information: Copies of the permit application, ADEC’s draft permit, and statement of basis (SOB) are available at the following offices: ADEC Air Permits Program, 410 Willoughby Ave, 2nd Floor, Juneau, AK 99801, 907-465-5100 ADEC Air Permits Program, 555 Cordova Street, Anchorage, AK 99501, 907-269-7577 The draft permit documents are also available 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 Claire Fishwick at 907-465-5066 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. Comments relevant to the draft operating permit may be submitted electronically via ADEC’s public notice site at https://aq.alaskadec.commentinput.com/?id=Zt3AK or to Kathie Mulkey by mail to 555 Cordova Street, Anchorage, AK 99501 or by email to kathie.mulkey@alaska.gov. Comments must be received by close of public comments period at 11:59 PM Alaska time on February 20, 2023.