Environmental Protection Agency Docket EPA-R03-OAR-2020-0320 Proposed Rule

2021-04106: Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Youngstown-Warren-Sharon Area; Reopening of Comment Period

Comment Period Closed

Public comment closed .

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Summary

The Environmental Protection Agency (EPA) is reopening the comment period for a proposed rulemaking published in the Federal Register on October 30, 2020. EPA is reopening the comment period based on a request for a 15-day extension.

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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