Air Plan Approval; California; South Coast Air Quality Management District
air-emissions · Rule · Published 2025-12-11 · Effective 2026-01-12 · CA · 90 FR 57364
Document
Document number
2025-22584
Federal Register citation
90 FR 57364
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2025-12-11
Effective date
2026-01-12
State
CA
EPA docket
EPA-R09-OAR-2025-0199
Abstract
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the South Coast Air Quality Management District (SCAQMD) portion of the California State Implementation Plan (SIP) concerning a rule submitted to address section 185 of the Clean Air Act (CAA or "Act") with respect to the 1997 and 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS or "standard").