# Approval and Promulgation of Maintenance Plan Revisions; Ohio
> **Rule** · Final rule. · Published 1998-08-19 · Effective 1998-08-19 · 63 FR 44399
## Document
- **Document number:** 98-22337
- **Category:** air-emissions
- **Federal Register citation:** 63 FR 44399
- **CFR reference:** 40 CFR 52
- **Publication date:** 1998-08-19
- **Effective date:** 1998-08-19
- **State:** OH
- **EPA docket:** OH117-1
## Abstract

The United States Environmental Protection Agency (USEPA) is finalizing a June 18, 1998, proposal to approve an Ohio State Implementation Plan (SIP) revision to remove the air quality triggers from the Dayton-Springfield (Montgomery, Clark, Greene, and Miami Counties), Ohio maintenance area contingency plan.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/08/19/98-22337/approval-and-promulgation-of-maintenance-plan-revisions-ohio)
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