Air Plan Approval; Control of Sulfur Emissions From Stationary Boilers
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This law pertains to the approval of revisions to the Missouri State Implementation Plan (SIP) specifically focused on controlling sulfur emissions from stationary boilers. The Environmental Protection Agency (EPA) has taken a direct final action to approve these revisions as they align with the requirements stipulated in the Clean Air Act. These changes include administrative updates, such as removing references to now-revoked regulations, and correcting abbreviations related to sulfur dioxide emissions in the regulation concerning industrial boilers in the St. Louis area.
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Key Changes
- Removal of references to a revoked State regulation
- Correction of abbreviations for sulfur dioxide (SO2)
- Amendment of the SIP to include minor administrative changes
Obligations
What this law requires
Missouri Department of Natural Resources must maintain compliance with the revised 10 CSR 10-5.570 regulation controlling sulfur dioxide emissions from stationary boilers in the St. Louis area as incorporated into the Missouri State Implementation Plan
Industrial boiler operators in the St. Louis, Missouri area must restrict emissions of sulfur dioxide in accordance with the State regulation 10 CSR 10-5.570 as approved and incorporated into 40 CFR 52.1320(c)
Parties wishing to comment on this direct final rule must submit comments by May 11, 2026 through https://www.regulations.gov identified by Docket ID No. EPA-R07-OAR-2026-1785
The EPA must publish a timely withdrawal of the direct final rule in the Federal Register if adverse comments are received by May 11, 2026, informing the public that the rule will not take effect
All submissions must comply with public notice requirements in accordance with 40 CFR 51.102 and completeness criteria of 40 CFR part 51, appendix V