# Approval and Promulgation of Air Quality Implementation Plans; Virginia; Revisions To Implement the Revocation of the 1997 Ozone NAAQS
> **Rule** · Final rule. · Published 2018-02-22 · Effective 2018-03-26 · 83 FR 7610
## Document
- **Document number:** 2018-03524
- **Category:** air-emissions
- **Federal Register citation:** 83 FR 7610
- **CFR reference:** 40 CFR 52
- **Publication date:** 2018-02-22
- **Effective date:** 2018-03-26
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2017-0382
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Commonwealth of Virginia (Virginia) state implementation plan (SIP). The revisions are related to the implementation of the 2008 ozone national ambient air quality standards (NAAQS or standards) and the revocation of the 1997 ozone NAAQS. EPA is approving these revisions updating the Virginia SIP to reflect the revocation of the 1997 ozone NAAQS in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/02/22/2018-03524/approval-and-promulgation-of-air-quality-implementation-plans-virginia-revisions-to-implement-the)
---
*AI Analytics · CC0 1.0*