# Air Plan Approval; West Virginia; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the West Virginia Portion for the Charleston, West Virginia Area Comprising Kanawha and Putnam Counties
> **Rule** · Final rule. · Published 2021-02-23 · Effective 2021-03-25 · 86 FR 10827
## Document
- **Document number:** 2021-02623
- **Category:** air-emissions
- **Federal Register citation:** 86 FR 10827
- **CFR reference:** 40 CFR 52
- **Publication date:** 2021-02-23
- **Effective date:** 2021-03-25
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2020-0194
## Abstract

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the West Virginia Department of Environmental Protection (WVDEP) of the State of West Virginia. This revision pertains to West Virginia's plan for maintaining the 1997 8-hour ozone national ambient air quality standard (NAAQS) for the Charleston Area (comprising Kanawha and Putnam Counties). The EPA is approving these revisions to the West Virginia SIP in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/02/23/2021-02623/air-plan-approval-west-virginia-1997-8-hour-ozone-national-ambient-air-quality-standard-second)
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