Air Plan Approval; Wisconsin; Redesignation of the Rhinelander Sulfur Dioxide Nonattainment Area
The Environmental Protection Agency (EPA) is redesignating the Rhinelander nonattainment area, which consists of a portion of Oneida County (Crescent Township, Newbold Township, Pine Lake Township, Pelican Township, and the City of Rhinelander), to attainment for the 2010 primary, health-based 1-hour sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). EPA is also approving Wisconsin's SO<INF>2</INF> maintenance plan for the Rhinelander area. Wisconsin submitted the request for approval of the Rhinelander area's redesignation and maintenance plan on July 28, 2021. EPA approved Wisconsin's attainment plan for the Rhinelander area on October 22, 2021, with an effective date of December 31, 2021. EPA proposed to approve this action on November 17, 2021, and received no adverse comments.