# Approval and Promulgation of Implementation Plans; Kentucky; Louisville; Fine Particulate Matter 2002 Base Year Emissions Inventory
> **Rule** · Final rule. · Published 2012-08-02 · Effective 2012-09-04 · 77 FR 45956
## Document
- **Document number:** 2012-18784
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 45956
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-08-02
- **Effective date:** 2012-09-04
- **State:** KY
- **EPA docket:** EPA-R04-OAR-2012-0336
## Abstract

EPA is taking final action to approve the 1997 annual fine particulate matter (PM<INF>2.5</INF>) 2002 base year emissions inventory portion of the State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky on December 3, 2008. The emissions inventory is part of Kentucky's December 3, 2008, attainment demonstration SIP revision that was submitted to meet the nonattainment requirements related to the Commonwealth's portion of the bi-state Louisville, Kentucky-Indiana nonattainment area for the 1997 annual PM<INF>2.5</INF> national ambient air quality standards (NAAQS), hereafter referred to as "the bi-state Louisville Area" or "Area." The bi-state Louisville Area is comprised of Clark and Floyd Counties in Indiana, in their entireties; the Madison Township portion of Jefferson County, Indiana; and Bullitt and Jefferson Counties in Kentucky, in their entireties. This final action only relates to the Kentucky portion (i.e., Bullitt and Jefferson Counties) of this Area. This action is being taken pursuant to section 110 of the Clean Air Act (CAA or Act).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/08/02/2012-18784/approval-and-promulgation-of-implementation-plans-kentucky-louisville-fine-particulate-matter-2002)
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