The USEPA is approving, in final, two exemption requests from the requirements contained in section 182(f) of the Clean Air Act (Act) for the Toledo and Dayton ozone nonattainment areas in Ohio. These exemption requests, submitted by the State of Ohio, are based upon three years of ambient air monitoring data which demonstrate that the National Ambient Air Quality Standard (NAAQS) for ozone has been attained in each of these areas without additional reductions of nitrogen oxides (NO<INF>X). Section 182(f) of the Act requires States with areas designated nonattainment of the NAAQS for ozone, and classified as moderate nonattainment and above, to adopt reasonably available control technology (RACT) rules for major stationary sources of NO<INF>X, and to provide for nonattainment area new source review (NSR) for new sources and modifications that are major for NO<INF>X. Section 182(f) provides that these requirements do not apply for areas outside an ozone transport region if USEPA determines that additional reductions of NO<INF>X would not contribute to attainment of the NAAQS for ozone in the area. EFFECTIVE DATE: This action will be effective February 21, 1995.