Środowisko i energia · 20.07.2004

Approval and Promulgation of Implementation Plans; Ohio

The EPA is proposing to approve Ohio's submittal of a revision to the Ohio portion of the Cincinnati 1-Hour ozone maintenance plan under the Clean Air Act. Ohio held a public hearing on the submittal on March 30, 2004. This maintenance plan revision establishes a new transportation conformity motor vehicle emissions budget (MVEB) for the area for the year 2010. EPA is approving the allocation of a portion of the safety margin for oxides of nitrogen (NO X ) to the area's 2010 MVEB for transportation conformity purposes. This allocation will still maintain the total emissions for the area at or below the attainment level required by the transportation conformity regulations. The transportation conformity budget for volatile organic compounds will remain the same as previously approved in the maintenance plan. In the final rules section of this Federal Register, EPA is approving the SIP revision as a direct final rule without prior proposal, because EPA views this as a noncontroversial revision and anticipate no adverse comments. A detailed rationale for the approval is set forth in the direct final rule. If no adverse comments are received in response to this proposed rule, no furthe