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Final ruleTook effect July 31, 2026

Air Plan Approval; Rhode Island; Update to Materials Incorporated by Reference

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register July 31, 2026. Document 2026-15493. Updated Nov. 7, 2026.

What it does

The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Rhode Island State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by the State of Rhode Island and approved by the EPA. In this final rule, the EPA is also notifying the public of corrections and clarifying changes in the Code of Federal Regulations tables that identify the materials incorporated by reference into the Rhode Island SIP. This update affects the materials that are available for public inspection at the National Archives and Records Administration and the EPA Regional Office.

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 rule is effective on July 31, 2026.

The agency's dates, word for word.

Document number2026-15493
ActionFinal rule; administrative change.
AgenciesEnvironmental Protection Agency
PublishedJuly 31, 2026
Effective dateJuly 31, 2026
DocketEPA-R01-OAR-2026-2245

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