Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source Permits
air-emissions · Rule · Published 2026-03-23 · Effective 2026-04-22 · CA · 91 FR 13774
Document
Document number
2026-05591
Federal Register citation
91 FR 13774
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2026-03-23
Effective date
2026-04-22
State
CA
EPA docket
EPA-R09-OAR-2025-0625
Abstract
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").