The Environmental Protection Agency (EPA) is taking final action to approve revisions to the state implementation plan (SIP), submitted by the State of Florida through the Florida Department of Environmental Protection (FL DEP), on June 29, 2012, as amended on June 27, 2013, for the purpose of providing for attainment of the 2008 Lead (Pb) National Ambient Air Quality Standards (NAAQS) in the Hillsborough 2008 Lead nonattainment area (hereafter referred to as the "Hillsborough Area" or "Area"). The Hillsborough Area is comprised of a portion of Hillsborough County in Florida surrounding EnviroFocus Technologies, LLC (hereafter referred to as "EnviroFocus"). The attainment plan includes the base year emissions inventory, an analysis of reasonably available control technology (RACT) and reasonably available control measures (RACM), reasonable further progress (RFP) plan, modeling demonstration of lead attainment, and contingency measures for the Hillsborough Area. This action is being taken in accordance with the Clean Air Act (CAA or Act).