# Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standards Second Maintenance Plan for the Franklin County Area
> **Rule** · Final rule. · Published 2020-10-16 · Effective 2020-11-16 · 85 FR 65727
## Document
- **Document number:** 2020-21228
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 65727
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-10-16
- **Effective date:** 2020-11-16
- **State:** PA
- **EPA docket:** EPA-R03-OAR-2020-0268
## Abstract

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (DEP), for maintaining the 1997 8-hour ozone national ambient air quality standard (NAAQS) (referred to as the "1997 ozone NAAQS") in the Franklin County, Pennsylvania area (Franklin County Area). EPA is approving these revisions to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/10/16/2020-21228/air-plan-approval-pennsylvania-1997-8-hour-ozone-national-ambient-air-quality-standards-second)
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