# Approval and Promulgation of Air Quality Implementation Plans; Virginia; Amendments to Existing Regulation Provisions Concerning Case-by-Case Reasonably Available Control Technology
> **Rule** · Final rule. · Published 2011-01-19 · Effective 2011-02-18 · 76 FR 3023
## Document
- **Document number:** 2011-484
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 3023
- **CFR reference:** 40 CFR 52
- **Publication date:** 2011-01-19
- **Effective date:** 2011-02-18
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2008-0780
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Virginia. This SIP revision consists of amendments to the Commonwealth's existing regulations in order to clarify and recodify provisions covering case-by-case reasonably available control technology (RACT), as well as to add the 1997 8-hour ozone national ambient air quality standard (NAAQS) RACT requirements to the Commonwealth's regulations. This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/01/19/2011-484/approval-and-promulgation-of-air-quality-implementation-plans-virginia-amendments-to-existing)
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