Approval and Promulgation of Air Quality Implementation Plans; Commonwealth of Pennsylvania; Enhanced Motor Vehicle Inspection and Maintenance Program

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EPA is proposing to conditionally approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision establishes and requires the implementation of an enhanced motor vehicle inspection and maintenance (I/M) program in the counties of Allegheny, Beaver, Berks, Blair, Bucks, Cambria, Centre, Chester, Cumberland, Dauphin, Delaware, Erie, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Mercer, Montgomery, Northampton, Philadelphia, Washington, Westmoreland and York. The intended effect of this action is to propose conditional approval of the Pennsylvania enhanced motor vehicle I/M program. This action is being taken under Section 110 of the Clean Air Act.