# Approval and Promulgation of Implementation Plans; Tennessee; Knoxville; Fine Particulate Matter 2002 Base Year Emissions Inventory
> **Rule** · Direct final rule. · Published 2012-08-21 · Effective 2012-10-22 · 77 FR 50378
## Document
- **Document number:** 2012-20393
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 50378
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-08-21
- **Effective date:** 2012-10-22
- **State:** TN
- **EPA docket:** EPA-R04-OAR-2010-0153(a)
## Abstract

EPA is taking direct 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 State of Tennessee on April 4, 2008. The emissions inventory is part of Tennessee's April 4, 2008, attainment demonstration SIP revision that was submitted to meet the section 172(c) Clean Air Act (CAA or Act) requirements related to the Knoxville nonattainment area for the 1997 annual PM<INF>2.5</INF> national ambient air quality standards (NAAQS), hereafter referred to as "the Knoxville Area" or "Area." The Knoxville nonattainment area is comprised of Anderson, Blount, Knox and Loudon Counties in their entireties and a portion of Roane County that includes the Tennessee Valley Authority's Kingston Fossil Plant. This action is being taken pursuant to section 110 of the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/08/21/2012-20393/approval-and-promulgation-of-implementation-plans-tennessee-knoxville-fine-particulate-matter-2002)
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