United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2026_register executive 2026-04-23 article Rules and Regulations D09002ee1e0c7ed1b D09002ee1e0c7ed99 United States Environmental Protection Agency originator org United States Government Agency or Subagency The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Missouri State Implementation Plan (SIP) received on March 19, 2025, that contain updates to the construction permit requirement regulations for stationary and portable air sources in Missouri that help ensure ambient air quality standards are met. The revisions to this rule include updating the fees for facilities applying for and receiving construction permits for air pollution sources; removing a subsection from the state rule that was never approved in the SIP; and making administrative wording changes. The EPA is correcting the state effective date in table C from the original proposal. These revisions do not interfere with the State's ability to attain or maintain the National Ambient Air Quality Standards (NAAQS), reasonable further progress (RFP) or other Clean Air Act (CAA) requirements. The EPA's final approval of this rule revision is being done in accordance with the requirements of the CAA. 91 FR 21724 https://www.govinfo.gov/app/details/FR-2026-04-23/2026-07884 2026-07884 fr23ap26-3 6560-50-P EPA-R07-OAR-2025-3161 FRL-13099-02-R7 https://www.govinfo.gov/app/details/FR-2026-04-23/2026-07884 https://www.govinfo.gov/content/pkg/FR-2026-04-23/html/2026-07884.htm https://www.govinfo.gov/content/pkg/FR-2026-04-23/pdf/2026-07884.pdf Environmental Protection Air Pollution Control Carbon Monoxide Incorporation by Reference Intergovernmental Relations Lead Nitrogen Dioxide Ozone Particulate Matter Reporting and Recordkeeping Requirements Sulfur Oxides Volatile Organic Compounds 2 p. 21724 21725 91 FR 21724 Title 40 Part 52 40 CFR Part 52 Air Plan Approval; Missouri; Construction Permits Required; Federal Register Vol. 91, Issue RULE 2026-07884 ENVIRONMENTAL PROTECTION AGENCY 2026-05-26 EPA-R07-OAR-2025-3161 FRL-13099-02-R7 6560-50-P 2026-07884 Final rule.

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Missouri State Implementation Plan (SIP) received on March 19, 2025, that contain updates to the construction permit requirement regulations for stationary and portable air sources in Missouri that help ensure ambient air quality standards are met. The revisions to this rule include updating the fees for facilities applying for and receiving construction permits for air pollution sources; removing a subsection from the state rule that was never approved in the SIP; and making administrative wording changes. The EPA is correcting the state effective date in table C from the original proposal. These revisions do not interfere with the State's ability to attain or maintain the National Ambient Air Quality Standards (NAAQS), reasonable further progress (RFP) or other Clean Air Act (CAA) requirements. The EPA's final approval of this rule revision is being done in accordance with the requirements of the CAA.

This final rule is effective on May 26, 2026. Steven Brown, Environmental Protection Agency, Region 7 Office, Air Quality Planning Branch, 11201 Renner Boulevard, Lenexa, Kansas 66219; telephone number: (913) 551-7718; Environmental Protection Air Pollution Control Carbon Monoxide Incorporation by Reference Intergovernmental Relations Lead Nitrogen Dioxide Ozone Particulate Matter Reporting and Recordkeeping Requirements Sulfur Oxides Volatile Organic Compounds Air Quality State Implementation Plans; Approvals and Promulgations Missouri; Construction Permits Required, brown.steven@epa.gov https://www.regulations.gov Vol. 91, no. 78 Office of the Federal Register, National Archives and Records Administration 2026-04-23 continuing daily deposited born digital 234 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2026-04-23 P0b002ee1e0c6c404 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr23ap26 https://www.govinfo.gov/app/details/FR-2026-04-23 https://www.govinfo.gov/content/pkg/FR-2026-04-23/pdf/FR-2026-04-23.pdf https://www.govinfo.gov/content/pkg/FR-2026-04-23/xml/FR-2026-04-23.xml fdlp 21713 21936 DGPO 2026-04-23 2026-04-23 FR-2026-04-23 machine generated eng FR FR-2026-04-23 91 78