# Approval and Promulgation of Air Quality Implementation Plans; Louisiana; Emissions Inventory; Baton Rouge Ozone Nonattainment Area
> **Rule** · Direct final rule. · Published 2009-09-03 · Effective 2009-11-02 · 74 FR 45561
## Document
- **Document number:** E9-21188
- **Category:** air-emissions
- **Federal Register citation:** 74 FR 45561
- **CFR reference:** 40 CFR 52
- **Publication date:** 2009-09-03
- **Effective date:** 2009-11-02
- **State:** LA
- **EPA docket:** EPA-R06-OAR-2007-1064
## Abstract

The Environmental Protection Agency (EPA) is approving a revision to the Louisiana State Implementation Plan (SIP) to meet the Emissions Inventory (EI) requirements of the Clean Air Act (CAA) for the Baton Rouge ozone nonattainment area. EPA is approving the SIP revision because it satisfies the EI requirements for areas classified as nonattainment for the 1997 8-hour ozone national ambient air quality standard. EPA is approving the revisions pursuant to section 110 of the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/09/03/E9-21188/approval-and-promulgation-of-air-quality-implementation-plans-louisiana-emissions-inventory-baton)
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