Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements
air-emissions · Rule · Published 2025-11-20 · Effective 2026-01-20 · MI · 90 FR 52238
Document
Document number
2025-20495
Federal Register citation
90 FR 52238
CFR reference
40 CFR 52
Type
Rule
Action
Direct final rule.
Category
air-emissions
Publication date
2025-11-20
Effective date
2026-01-20
State
MI
EPA docket
EPA-R05-OAR-2019-0215
Abstract
The Environmental Protection Agency (EPA) is approving an element of a State Implementation Plan (SIP) submission from Michigan regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). The infrastructure requirements ensure that the structural components of each State's air quality management program are adequate to meet CAA requirements. This action pertains to CAA section 110(a)(2)(E)(ii).