Approval and Promulgation of State Plans for Designated Facilities and Pollutants; Missouri; Control of Mercury Emissions From Electric Generating Units

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The Environmental Protection Agency (EPA) is proposing to approve a revision to the Missouri State Plan received May 7, 2013. This revision rescinds the state rule and associated state plan controlling mercury emissions from electric generating units. This rule is being proposed for rescision because the Federal Clean Air Mercury Rule, which is the basis for this rule and associated plan, has been vacated and removed from the Code of Federal Regulations. This action will make Missouri's State Plan consistent with Federal regulations.