Approval and Promulgation of Air Quality Implementation Plans and Designations of Areas for Air Quality Planning Purposes; State of Connecticut; Approval of Maintenance Plan, Carbon Monoxide Redesignation Plan and Emissions Inventory for the New Haven-Meriden- Waterbury area

EPA is approving a request by the Connecticut Department of Environmental Protection (CTDEP) on January 17, 1997 to redesignate the New Haven-Meriden-Waterbury area from nonattainment to attainment for carbon monoxide (CO). EPA is approving this request which establishes the area as attainment for carbon monoxide and requires the state to implement their 10 year maintenance plan that will insure that the area remains in attainment. Under the Clean Air Act as amended in 1990 (CAA), designations can be revised if sufficient data is available to warrant such revisions. EPA is approving the Connecticut request because it meets the redesignation requirements set forth in the CAA, and this action is being taken in accordance with Clean Air Act requirements. In this action, EPA is also approving the 1990 base year emission inventory for CO emissions, which includes emissions data for sources of CO in the New Haven nonattainment area.