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(v) EPA approves as a revision to the Pennsylvania State Implementation Plan the 2011 base year lead emission inventory for the Lyons, Pennsylvania nonattainment area for the 2008 lead NAAQS. This SIP revision was submitted by the Acting Secretary of the Pennsylvania Department of Environmental Protection, on February 9, 2015. This submittal consists of the 2011 base year inventories for all relevant sources in the Lyons, Pennsylvania nonattainment area for the pollutant lead (Pb).