# Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Determining Conformity of Federal Actions to State or Federal Implementation Plans
> **Rule** · Direct final rule. · Published 2003-06-05 · Effective 2003-08-04 · 68 FR 33638
## Document
- **Document number:** 03-14033
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 33638
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-06-05
- **Effective date:** 2003-08-04
- **State:** DC
- **EPA docket:** DC042-2031a
## Abstract

EPA is taking direct final action on a State Implementation Plan (SIP) revision submitted by the District of Columbia. The revision includes the District's regulation for conformity, which sets forth policy, criteria and procedures for demonstrating and assuring conformity of transportation and non-transportation related Federal actions to state or Federal implementation plans. EPA is approving these revisions in accordance with the requirements of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/06/05/03-14033/approval-and-promulgation-of-air-quality-implementation-plans-district-of-columbia-determining)
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