On March 27, 2019, the commission will consider adoption of the DFW Redesignation Request and Maintenance Plan SIP Revision for the One-Hour and 1997 Eight-Hour Ozone NAAQS (Non-Rule Project No. 2018-028-SIP-NR). The SIP revision includes a request that the United States Environmental Protection Agency redesignate the DFW area to attainment for the one-hour and 1997 eight-hour ozone NAAQS and provides a maintenance plan that will ensure the area remains in attainment of the NAAQS through 2032.
For additional information, please visit the DFW: Latest Ozone Planning Activities webpage.