Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Revisions to Regulation for Control of Ozone Season Nitrogen Oxide Emissions
air-emissions · Rule · Published 2025-10-02 · Effective 2025-11-03 · VA · 90 FR 47604
Document
Document number
2025-19238
Federal Register citation
90 FR 47604
CFR reference
40 CFR 52
Type
Rule
Action
Final rule.
Category
air-emissions
Publication date
2025-10-02
Effective date
2025-11-03
State
VA
EPA docket
EPA-R03-OAR-2024-0513
Abstract
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of West Virginia. The revision pertains to West Virginia 45 Code of State Rules (CSR) 40 (WV rule) that establishes the nitrogen oxides (NO<INF>X</INF>) ozone season limitations and requirements for non- electrical generating unit (EGU) large industrial boilers and combustion turbines that have a maximum design heat input of greater than 250 million British thermal units per hour (MMBtu/hr), as well as affected stationary internal combustion engines and cement manufacturing kilns. This action is being taken under the Clean Air Act (CAA).