Air Plan Approval; Missouri; Revisions to existing rule 10 CSR 10-5.570; Control of Sulfur Emissions From Stationary Boilers

The Environmental Protection Agency (EPA) is proposing to approve Missouri State Implementation Plan (SIP) revisions submitted on November 10, 2020, by the Missouri Department of Natural Resources (MoDNR). This proposed rulemaking will amend the SIP to address changes to the State rule at Title 10, Division 10 of the Code of State Regulations (CSR) 5.570, Control of Sulfur Emissions From Stationary Boilers, which is SIP approved at 40 CFR 52.1320(c). Revisions include removal of references to a revoked state regulation and other minor administrative changes. The EPA is approving these changes because they are consistent with the Clean Air Act and applicable EPA regulations.