# Approval and Promulgation of Air Quality Implementation Plans; Virginia; Amendments to Ambient Air Quality Standards for Particulate Matter
> **Rule** · Final rule. · Published 2010-12-28 · Effective 2011-01-27 · 75 FR 81477
## Document
- **Document number:** 2010-32487
- **Category:** air-emissions
- **Federal Register citation:** 75 FR 81477
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-12-28
- **Effective date:** 2011-01-27
- **State:** VA
- **EPA docket:** EPA-R03-OAR-2008-0073
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Virginia. This revision consists of amendments to the Commonwealth of Virginia's ambient air quality standards for particulate matter (PM). This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/12/28/2010-32487/approval-and-promulgation-of-air-quality-implementation-plans-virginia-amendments-to-ambient-air)
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