Missouri Air Quality Rule 10 CSR 10-5.570 Redline Markup

EPA Region 7 has posted a redline markup of proposed amendments to Missouri air quality regulation 10 CSR 10-5.570 for public review and comment. The document shows tracked changes to the existing state air quality rule, indicating specific textual modifications to emission requirements, monitoring obligations, or compliance schedules for affected sources.

Missouri industrial facilities and manufacturers subject to air quality permits should carefully review the proposed changes to understand how they may alter existing compliance obligations. Facilities should prepare and submit substantive comments to EPA if the amendments would create new burdens or modify current emission limits or monitoring requirements.