Data / Federal rules / 2026-06831

Air Plan Approval; Missouri; Revisions to Existing Rule 10 CSR 10-5.570; Control of Sulfur Emissions From Stationary Boilers

The Environmental Protection Agency published this proposed rule in the Federal Register on April 9, 2026. Comments closed on May 11, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve Missouri State Implementation Plan (SIP) revisions submitted on November 10, 2020, by the Missouri Department of Natural Resources (MoDNR). This proposed action will amend the SIP to address administrative changes to the State rule in the Missouri Code of State Regulations (CSR). Revisions include removal of references to a revoked state regulation and other minor administrative changes. The EPA is proposing to approve these changes because they are consistent with the Clean Air Act (CAA) and applicable EPA regulations. In the "Rules and Regulations" section of this Federal Register, we are approving the State's SIP revisions as a direct final rule without a prior proposed rule. If we receive no adverse comment, we will not take further action on this proposed rule.

Key facts

Document number: 2026-06831
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: April 9, 2026
Comments due: May 11, 2026
Dates: Comments must be received by May 11, 2026.
Docket: EPA-R07-OAR-2026-1785; FRL-13279-01-R7
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 2

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon monoxide · Rules on environmental protection · Published in April 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.