On January 3, 2018, the State of Alabama, through the Alabama Department of Environmental Management (ADEM), submitted a request for the Environmental Protection Agency (EPA) to redesignate the Troy 2008 lead Nonattainment Area ("Troy Area" or "Area") to attainment for the 2008 lead (Pb) National Ambient Air Quality Standards (NAAQS or standard) and to approve an associated State Implementation Plan (SIP) revision containing a maintenance plan. The Troy Area is comprised of a portion of Pike County in Alabama surrounding the Sanders Lead Company facility (Sanders Lead Facility or Facility). EPA is taking the following final actions related to the January 3, 2018, redesignation request and SIP revision: determining that the Troy Area is attaining the 2008 lead NAAQS; approving the SIP revision containing the State's maintenance plan for maintaining attainment of the 2008 lead standard; and redesignating the Troy Area to attainment for the 2008 lead NAAQS.