Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standards Second Maintenance Plan for the Tioga County Area

Publication Date: 
Monday, February 8, 2021 - 4:00am

The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (PADEP), for maintaining the 1997 8-hour ozone national ambient air quality standard (NAAQS) (referred to as the ``1997 ozone NAAQS'') in the Tioga County, Pennsylvania area (Tioga County Area). This action is being taken under the Clean Air Act (CAA).

Environmental Protection Agency