Mid-Atlantic Region 8-Hour Ozone Maintenance Areas

A maintenance area is an area that has been redesignated to attainment for the 8-hour ozone standard. In order for an area to be redesignated to a maintenance area it must meet certain criteria. For more detailed information regarding maintenance areas and their requirements, see EPA's Redesignation Requests web page.

Select a Maintenance area in the map to see detailed information on that area:

Tabular Data

Map Image Created by the Region 3 GIS Team

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