# Designation of Areas for Air Quality Planning Purposes; Indiana
> **Rule** · Direct final rule. · Published 1997-08-26 · Effective 1997-10-27 · 62 FR 45168
## Document
- **Document number:** 97-22667
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 45168
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-08-26
- **Effective date:** 1997-10-27
- **State:** IN
- **EPA docket:** IN83-1a
## Abstract

In this action, EPA is approving a redesignation request submitted by the State of Indiana on April 8, 1993. Supplemental information was provided on June 17, 1997. In this submittal, Indiana requested that a portion of Vermillion County be redesignated to attainment of the National Ambient Air Quality Standard (NAAQS) for particulate matter with an aerometric mean diameter less than 10 micrometers (PM-10). Subsequent to this approval, the portion of Clinton Township, Vermillion County which includes sections 15, 16, 21, 22, 27, 28, 33 and 34 will be designated attainment for the PM-10 NAAQS.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/08/26/97-22667/designation-of-areas-for-air-quality-planning-purposes-indiana)
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