Approval and Promulgation of Implementation Plans; State of Missouri; Conformity of General Federal Actions to State Implementation Plan

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EPA is taking direct final action to approve the State Implementation Plan (SIP) submitted by the state of Missouri on August 12, 2011. This revision will update the state general conformity rule in its entirety to bring in into compliance with the Federal general conformity rule which was updated in the Federal Register on April 5, 2010. General conformity regulations prohibit Federal agencies from taking actions that may cause or contribute to violations of the National Ambient Air Quality Standards (NAAQS). This rule applies to non- attainment and maintenance areas of the state. The revision to Missouri's rule does not have an adverse affect on air quality. EPA's approval of this SIP revision is being done in accordance with the requirements of the Clean Air Act (CAA).