Approval and Promulgation of Implementation Plans; State of Nevada; Designation of Areas for Air Quality Planning Purposes; Lake Tahoe Nevada Area

요약

On October 27, 2003, the State of Nevada requested EPA to redesignate the Lake Tahoe Nevada "not classified" carbon monoxide (CO) nonattainment area to attainment for the CO National Ambient Air Quality Standards (NAAQS) and submitted a CO maintenance plan for the area as a revision to the Nevada State Implementation Plan (SIP). In this action, EPA is proposing to approve the redesignation request and the maintenance plan. EPA is also proposing to find that the maintenance plan is adequate for conformity purposes under the limited maintenance plan policy. In the "Rules and Regulations" section of this Federal Register, EPA is approving the State's redesignation request and SIP revision, involving the maintenance plan, as a direct final rule without prior proposal because the Agency views the redesignation and SIP revision as noncontroversial and anticipates 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 further activity is contemplated in relation to this rule. If EPA receives adverse comments, the direct final rule will be withdrawn and all public comments r