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

What it does

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.

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 63

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 245 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 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.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-R07-OAR-2026-0497 on Regulations.gov
• Title 40 on eCFR

The record as published

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