Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; 2011 Lead Base Year Emissions Inventory

The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the Commonwealth of Pennsylvania (Pennsylvania) State Implementation Plan (SIP). EPA is proposing to approve the 2011 base year emissions inventory SIP revision submittal for the 2008 lead National Ambient Air Quality Standards (NAAQS). The base year emissions inventory SIP revision was submitted by the Pennsylvania Department of Environmental Protection (PADEP) on February 9, 2015 to meet the requirements of the Clean Air Act (CAA) for the Lyons 2008 lead NAAQS nonattainment area (hereafter referred to as the ``Lyons Area'' or ``Area''). EPA is approving this revision to the Pennsylvania SIP in accordance with the requirements of the CAA.