DFW Redesignation Request and Maintenance Plan SIP Revision for the One-Hour and 1997 Eight-Hour Ozone NAAQS

On March 27, 2019, the commission adopted 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.

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