# Approval and Promulgation of Air Quality Implementation Plans; Virginia; Identification of the Northern Virginia PM2.5 Nonattainment Area
> **Rule** · Direct final rule. · Published 2007-01-08 · Effective 2007-03-09 · 72 FR 653
## Document
- **Document number:** E6-22552
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 653
- **CFR reference:** 40 CFR 52
- **Publication date:** 2007-01-08
- **Effective date:** 2007-03-09
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2006-0648
## Abstract

EPA is taking direct final action to approve revisions to the Virginia State Implementation Plan (SIP). The revision consists of the addition of counties in Northern Virginia which were designated as nonattainment for the fine particulate (PM2.5) national ambient air quality standard (NAAQS). EPA is approving this revision in accordance with the requirements of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/01/08/E6-22552/approval-and-promulgation-of-air-quality-implementation-plans-virginia-identification-of-the)
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