# Approval and Promulgation of Implementation Plans; Revisions to the Kentucky State Implementation Plan
> **Rule** · Final rule. · Published 2010-04-21 · Effective 2010-05-21 · 75 FR 20780
## Document
- **Document number:** 2010-8933
- **Category:** air-emissions
- **Federal Register citation:** 75 FR 20780
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-04-21
- **Effective date:** 2010-05-21
- **State:** KY
- **EPA docket:** EPA-R04-OAR-2010-0502-201011
## Abstract

EPA is taking final action to approve the transportation conformity revisions to the Kentucky State Implementation Plan (SIP) submitted by the Commonwealth of Kentucky, through the Kentucky Energy and Environment Cabinet's Division of Air Quality (KY DAQ). This addition consists of transportation conformity criteria and procedures related to interagency consultation and enforceability of certain transportation-related control measures and mitigation measures. The intended effect is to establish the transportation conformity criteria and procedures in the Kentucky SIP. This action is being taken pursuant to section 110 of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/04/21/2010-8933/approval-and-promulgation-of-implementation-plans-revisions-to-the-kentucky-state-implementation)
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