EPA is approving the State Implementation Plan (SIP) submittal from the State of Nebraska addressing the requirements of Clean Air Act (CAA or Act) sections 110(a)(1) and (2) to implement, maintain, and enforce the 1997 revisions to the National Ambient Air Quality Standards (NAAQS) for ozone. The rationale for this action is explained in this notice and in more detail in the notice of proposed rulemaking for this action. EPA received no comments on the proposal.