Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source Permits
Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register March 23, 2026. Document 2026-05591. Updated Nov. 13, 2026.
- What it does
The Environmental Protection Agency (EPA) is finalizing conditional approval of five permitting rules as a revision to the Mojave Desert Air Quality Management District (MDAQMD or the "District") portion of the California State Implementation Plan (SIP). These are revisions to the District's New Source Review (NSR) air permitting program rules for new and modified sources of air pollution under part D of title I of the Clean Air Act (CAA or "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:
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 245 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 April 22, 2026.
The agency's dates, word for word.
The record as published
| Document number | 2026-05591 |
|---|---|
| Action | Final rule. |
| Agencies | Environmental Protection Agency |
| Published | March 23, 2026 |
| Effective date | April 22, 2026 |
| Docket | EPA-R09-OAR-2025-0625 |
Source: the Federal Register (public domain). The document in the Federal Register