Approval and Promulgation of Implementation Plans; Nebraska; Interstate Transport of Pollution

EPA is revising the Nebraska State Implementation Plan (SIP) for the purpose of approving the Nebraska Department of Environmental Quality's (NDEQ) actions to address the "good neighbor" provisions of the Clean Air Act Section 110(a)(2)(D)(i). These provisions require each state to submit a SIP that prohibits emissions that adversely affect another State's air quality through interstate transport. NDEQ has adequately addressed the four distinct elements related to the impact of interstate transport of air pollutants. These include prohibiting significant contribution to downwind nonattainment of the National Ambient Air Quality Standards (NAAQS), interference with maintenance of the NAAQS, interference with plans in another state to prevent significant deterioration of air quality, and efforts of other states to protect visibility. The requirements for public notification were also met by NDEQ.