# Approval and Promulgation of Air Quality Implementation Plans; State of Maryland; Revised Definition of Volatile Organic Compound (VOC)
> **Rule** · Direct final rule. · Published 2008-02-28 · Effective 2008-04-28 · 73 FR 10673
## Document
- **Document number:** E8-3392
- **Category:** air-emissions
- **Federal Register citation:** 73 FR 10673
- **CFR reference:** 40 CFR 52
- **Publication date:** 2008-02-28
- **Effective date:** 2008-04-28
- **State:** MD
- **EPA docket:** EPA-R03-OAR-2007-1157
## Abstract

EPA is taking direct final action on a revision to the Maryland State Implementation Plan (SIP) submitted by the Maryland Department of Environment (MDE). The revision allows Maryland to incorporate prospectively EPA's definition of "Volatile organic compounds (VOC)" as amended. EPA is approving these revisions to the Maryland SIP in accordance with the requirements of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/02/28/E8-3392/approval-and-promulgation-of-air-quality-implementation-plans-state-of-maryland-revised-definition)
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