Data / Federal rules / 2026-08348

Approval of Missouri's Request for Partial Program Delegation of Clean Air Act 112(r) Prevention of Accidental Release Program

The Environmental Protection Agency published this final rule in the Federal Register on April 29, 2026. It took effect on May 29, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is taking final action to approve the Missouri Department of Natural Resource's (MoDNR's) request for delegation of a partial Clean Air Act (CAA) Risk Management Program (RMP) for agricultural anhydrous ammonia facilities in the State of Missouri. The EPA retains authority for any anhydrous ammonia that does not meet the definition of agricultural anhydrous ammonia at these facilities, the RMP for all other regulated chemicals that may be present at these facilities, and for the RMP generally in Missouri for all other facilities.

Key facts

Document number: 2026-08348
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: April 29, 2026
Takes effect: May 29, 2026
Dates: This final rule is effective on May 29, 2026. The incorporation by reference of certain material listed in this rule is approved by the Director of the Federal Register as of May 29, 2026.
Docket: EPA-R07-OAR-2026-0497; FRL-13206-02-R7
Code of Federal Regulations: 40 CFR 63
Topics: Air pollution control; Chemicals; Environmental protection; Hazardous substances; Incorporation by reference; Intergovernmental relations
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 chemicals · Rules on environmental protection · Published in April 2026

Read from the Federal Register API, last updated 2026-10-24. 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.