Air Plan Revisions; Arizona; Arizona Department of Environmental Quality; Gila County Reasonably Available Control Technology
Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register May 22, 2026. Document 2026-10280. Updated Nov. 10, 2026.
- What it does
The Environmental Protection Agency (EPA) is taking final action to approve, under the Clean Air Act (CAA or "Act"), revisions to the Arizona state implementation plan (SIP). These revisions concern the Arizona Department of Environmental Quality's (ADEQ's) demonstration regarding reasonably available control technology (RACT) requirements for the 2015 ozone national ambient air quality standards (NAAQS or "standards") within the Gila County portion of the Phoenix- Mesa ozone nonattainment area.
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:
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 June 22, 2026.
The agency's dates, word for word.
The record as published
| Document number | 2026-10280 |
|---|---|
| Action | Final rule. |
| Agencies | Environmental Protection Agency |
| Published | May 22, 2026 |
| Effective date | June 22, 2026 |
| Docket | EPA-R09-OAR-2025-2961 |
Source: the Federal Register (public domain). The document in the Federal Register