Data / Federal rules / 2026-06832

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 final rule in the Federal Register on April 9, 2026. It took effect on June 8, 2026. Comments closed on May 11, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is taking direct final action to approve revisions to the Missouri State Implementation Plan (SIP) submitted by the Missouri Department of Natural Resources (MoDNR). This direct final 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 approving these changes because they are consistent with the Clean Air Act (CAA) and applicable EPA regulations.

Key facts

Document number: 2026-06832
Type: Final rule
Action: Direct final rule
Agency: Environmental Protection Agency
Published: April 9, 2026
Takes effect: June 8, 2026
Comments due: May 11, 2026
Dates: This direct final rule will be effective June 8, 2026, without further notice, unless the EPA receives adverse comment by May 11, 2026. If EPA receives adverse comments, we will publish a timely withdrawal of the direct final rule in the Federal Register informing the public that the rule will not take effect.
Docket: EPA-R07-OAR-2026-1785; FRL-13279-02-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: 3

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.