Approval and Promulgation of Implementation Plans; Texas; Infrastructure and Interstate Transport for the 2012 Fine Particulate Matter Ambient Air Quality Standard
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving elements of the Texas Infrastructure State Implementation Plan (i-SIP) submittal addressing how the existing SIP provides for implementation, maintenance and enforcement of the 2012 fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS).