The USEPA is giving full approval through a direct final procedure of the Vehicle Inspection and Maintenance (I/M) program as a revision of the State Implementation Plan (SIP) for ozone for the Cleveland-Akron-Lorain, the Dayton-Springfield, and Cincinnati moderate ozone nonattainment areas in the State of Ohio. The revision and subsequent related material was submitted by the State on November 12, 1993, March 15, 1994 and May 26, 1994. The SIP revision establishes and requires the implementation of an enhanced I/M program in three (3) nonattainment areas consisting of fourteen (14) counties in the State, and enables the development of a basic program in one (1) other area consisting of two (2) counties. The Cleveland-Akron-Lorain, the Dayton- Springfield, and Cincinnati areas are designated moderate nonattainment for ozone and have opted to implement enhanced I/M. The I/M program is designed to be contract operated, and the State has taken the necessary steps to get the program up and running within the timeframe required in the USEPA regulations. The Toledo area was also included as part of the I/M submittal. This area is undergoing review for redesignation to attainment for ozone. As such, the USEPA will take no action at this time regarding the submittal of an I/M program in the Toledo area. The USEPA is approving the legislation and rules for the Toledo area but will rulemake on the need for an I/M program in the Toledo area at a later date. This I/M SIP action is being taken under section 110 of the Clean Air Act (the Act). In the proposed rules section of this Federal Register, USEPA is proposing approval of this I/M program and SIP revision and solicits public comments on the action. If adverse comments are received on this direct final rule, USEPA will withdraw this final rule and address these comments in a subsequent final rule based on the proposed rule.