Comment on FR Doc # 2012-29107

The Maryland Department of the Environment (“MDE”) submits the following written comments with regard to the Environmental Protection Agency’s (“EPA”) supplemental proposed rule, “Approval and Promulgation of Implementation Plans: Tennessee; Interstate Transport Infrastructure Requirements (Prevention of Significant Deterioration) for 2008 8-Hour Ozone National Ambient Air Quality Standards,” as published in the federal register (77 FR 71,568) on December 3, 2012. See attachment