# Approval and Promulgation of Air Quality Implementation Plans; State of DelawareTransportation Conformity Regulation
> **Rule** · Direct final rule. · Published 1999-02-23 · Effective 1999-04-26 · 64 FR 8723
## Document
- **Document number:** 99-3990
- **Category:** air-emissions
- **Federal Register citation:** 64 FR 8723
- **CFR reference:** 40 CFR 52
- **Publication date:** 1999-02-23
- **Effective date:** 1999-04-26
- **State:** DE
- **EPA docket:** DE036-1018a
## Abstract

EPA is taking direct final action to approve a revision to the Delaware State Implementation Plan (SIP). The revision consists of the addition of Delaware's transportation conformity regulation, for the purpose of assuring conformity of Delaware transportation plans, programs and projects to related requirements in the SIP. EPA is approving the transportation conformity regulation as a SIP revision in accordance with the requirements of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/02/23/99-3990/approval-and-promulgation-of-air-quality-implementation-plans-state-of-delawaretransportation)
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