Air Plan Approval; Maine; Chapter 140: Part 70 Air Emission License Regulation

What it does

The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA) operating permit program revision submitted by the State of Maine. This revision makes minor changes to Maine's operating permit program that are considered clarifications, that correct grammar, that codify longstanding practices, or that are necessary for the state to utilize an expected future electronic application system. The revisions also include provisions allowing the public comment period on a draft permit to run concurrently with the EPA's review of a proposed permit. The intended effect of this action is to approve Maine's revisions. This action is being taken in accordance with the Clean Air Act.

The Environmental Protection Agency's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 70

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 243 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This rule is effective on August 24, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-R01-OAR-2025-0282 on Regulations.gov
• Title 40 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register