# Approval and Promulgation of Air Quality Implementation Plans; Virginia; Section 110(a)(1) 8-Hour Ozone Maintenance Plan for the White Top Mountain, Smyth County, VA 1-Hour Ozone Nonattainment Area
> **Rule** · Final rule. · Published 2008-04-29 · Effective 2008-05-29 · 73 FR 23103
## Document
- **Document number:** E8-9266
- **Category:** air-emissions
- **Federal Register citation:** 73 FR 23103
- **CFR reference:** 40 CFR 52
- **Publication date:** 2008-04-29
- **Effective date:** 2008-05-29
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2007-1068
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Virginia. This revision pertains to a 10-year maintenance plan for the White Top Mountain 1-hour ozone nonattainment area located in Smyth County, Virginia. This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/04/29/E8-9266/approval-and-promulgation-of-air-quality-implementation-plans-virginia-section-110a1-8-hour-ozone)
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