Air Plan Approval; Missouri; Construction Permit Exemptions
What happened
The U.S. Environmental Protection Agency (EPA) approved revisions to Missouri's State Implementation Plan (SIP) that were submitted on February 10, 2026. This action, signed by Donald Trump, modifies Missouri's rules for exemptions in its Minor New Source Review (NSR) program. The updates include refining exemptions for emergency generators, revising references to other regulations, and updating recordkeeping requirements.
Why it matters
These changes impact how certain air pollution sources in Missouri are regulated, potentially simplifying permit processes for specific equipment. Businesses using emergency generators may see updated requirements for their operations. The updates aim to ensure consistency with other air quality rules.
Who it affects
- ›Missouri businesses needing air permits
- ›Operators of emergency generators in Missouri
- ›EPA and Missouri environmental regulators
The receipts are official. The summary is ours.
Read on Federal Register ↗Summaries are generated from the official text and may simplify or omit nuance. The official document is the source of truth.