Air Plan Approval; Pennsylvania; Revision to Philadelphia Gas Works, Richmond Plant Reasonably Available Control Technology Plan Under the 1997 8-Hour Ozone National Ambient Air Quality Standards

What it does

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. The revision updates the reasonably available control technology (RACT) Plan for the Philadelphia Gas Works, Richmond Plant (PGW Richmond) by removing a condition from the RACT Plan Approval that was incorporated into Pennsylvania's SIP on October 7, 2016. The proposed revision results in no change of emission allowances under RACT. The EPA is approving this revision to the Pennsylvania SIP in accordance with the requirements of the Clean Air Act (CAA).

The Environmental Protection Agency's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 52

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 243 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This final rule is effective on June 29, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-R03-OAR-2025-2831 on Regulations.gov
• Title 40 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register