Approval and Promulgation of Implementation Plans; Wisconsin Designation of Areas for Air Quality Planning Purposes; Wisconsin

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On November 5, 1999, the Wisconsin Department of Natural Resources (WDNR) submitted a request to the Environmental Protection Agency (EPA) to redesignate a portion of the City of Rhinelander (Oneida County) Wisconsin from a primary sulfur dioxide (SO 2 ) nonattainment area to attainment. In this action EPA is approving the State's request, because it meets all of the Clean Air Act (Act) requirements for redesignation. If EPA receives adverse comments on this action, we will publish a timely withdrawal of the direct final rule in the Federal Register informing the public that the rule will not take effect.