The Environmental Protection Agency (EPA) is approving the ozone attainment demonstration portion of a State Implementation Plan (SIP) revision submitted by the State of Connecticut to meet the Clean Air Act (CAA) requirements for attaining the 1997 8-hour ozone national ambient air quality standard (NAAQS). The EPA is approving Connecticut's demonstration of attainment of the 1997 8-hour ozone NAAQS for the New York-Northern New Jersey-Long Island, NY-NJ-CT moderate 1997 8-hour ozone nonattainment area (hereafter, the NY-NJ-CT area or the NY-NJ-CT nonattainment area). In addition, the EPA is approving Connecticut's reasonably available control measures (RACM) analysis. This action is being taken under the Clean Air Act.