Approval and Promulgation of Air Quality Implementation Plans; Maryland; Approval of Opacity Recodifications and Revisions To Visible Emissions Requirements COMAR 26.11.06.02
EPA is taking direct final action to approve revisions to the Maryland State Implementation Plan (SIP). The revisions include the recodification of Maryland's general opacity regulations as well as the addition of procedures whereby a source may apply for and be granted a federally enforceable alternative visible emission standard. EPA is approving these revisions to Maryland's SIP in accordance with the requirements of the Clean Air Act.