Designation of Areas for Air Quality Planning Purposes; State of Iowa

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EPA is taking final action, pursuant to section 107(d) of the Clean Air Act (``the Act'') to redesignate part of Muscatine County, Iowa, from attainment to nonattainment for sulfur dioxide (SO 2). The result of this action is that the state of Iowa must submit an SO 2 implementation plan for the Muscatine nonattainment area to EPA, within 18 months after the effective date of this notice, that meets the requirements of part D, Title I of the Act. (See section 191(a) of the Act.)