# Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Reasonably Available Control Technology Under the 8-Hour Ozone National Ambient Air Quality Standard
> **Rule** · Final rule. · Published 2009-06-16 · Effective 2009-07-16 · 74 FR 28447
## Document
- **Document number:** E9-14017
- **Category:** air-emissions
- **Federal Register citation:** 74 FR 28447
- **CFR reference:** 40 CFR 52
- **Publication date:** 2009-06-16
- **Effective date:** 2009-07-16
- **State:** DC
- **EPA docket:** EPA-R03-OAR-2008-0595
## Abstract

EPA is approving a State Implementation Plan (SIP) revision submitted by the District of Columbia. This SIP revision consists of a demonstration that the District of Columbia meets the requirements of reasonably available control technology (RACT) for nitrogen oxides (NO<INF>X</INF>) and volatile organic compounds (VOCs) set forth by the Clean Air Act (CAA). This SIP revision demonstrates that all requirements for RACT are met either through: Certification that previously adopted RACT controls in the District of Columbia's SIP that were approved by EPA under the 1-hour ozone National Ambient Air Quality Standard (NAAQS) are based on the currently available technically and economically feasible controls, and that they continue to represent RACT for the 8-hour implementation purposes; and a negative declaration demonstrating that no facilities exist in the District of Columbia for the applicable control technology guideline (CTG) categories. This action is being taken under the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/06/16/E9-14017/approval-and-promulgation-of-air-quality-implementation-plans-district-of-columbia-reasonably)
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