Approval and Promulgation of Implementation Plans; State of Missouri; Designation of Areas for Air Quality Planning Purposes; Arcadia and Liberty Townships

摘要

EPA proposes to approve a State Implementation Plan (SIP) revision submitted by the state of Missouri and Missouri's request to redesignate the lead nonattainment area in Iron County, Missouri, bounded by Arcadia and Liberty townships to attainment of the National Ambient Air Quality Standard (NAAQS). EPA proposes to approve the maintenance plan for this area including a settlement agreement which was submitted with the redesignation request.