Note: These questions and answers pertain to the 2026 18 AAC 50 Adoption Updates and Standard Conditions Regulations Proposed Revisions. The information was current at the time of posting, but may be outdated after the adoption of regulations.

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Why is DEC updating adoptions by reference?

DEC is adopting updated federal regulations so that applicable requirements are included in permits.

Where can I find the updated adoption by reference documents?

The proposed updated federal regulations in effect as of July 1, 2026, are available at https://www.ecfr.gov/on/2026-07-01/title-40/chapter-I/subchapter-CA. The current federal regulations adopted by reference can be found at: 18 AAC 50 Reference Materials

Why is DEC updating Standard Permit Conditions?

 The updated Standard Permit Conditions ensure current applicable requirements are included in permits.

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Additional information:

You may submit written questions relevant to the proposed action to DEC by submitting questions electronically via the Electronic Comment Submission link to the 2026 18 AAC 50 Adoption Updates and Standard Conditions package on our Air Online Services website at https://dec.alaska.gov/Applications/Air/airtoolsweb/FormalComments, by December 1, 2026.  Alternately, you may submit questions by electronic mail to dec.air.comment@alaska.gov; or by mail to Rebecca Smith, Division of Air Quality, Department of Environmental Conservation, P.O. Box 111800, Juneau, Alaska 99811-1800. Questions may also be submitted verbally in testimony at the tentatively scheduled public hearing on December 1, 2026.

The department will aggregate its response to substantially similar questions and make the questions and responses available on this page.  The department may, but is not required to, answer written questions received after the December 1, 2026, deadline for submitting questions.

Documents for the proposed regulation changes may be found at: 2026 18 AAC 50 Adoption Updates and Standard Conditions Regulations Webpage