Clean Air Act Redesignation Substitute for the Dallas-Fort Worth 1-Hour Ozone and 1997 8-Hour Ozone Nonattainment Areas; Texas

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The Environmental Protection Agency (EPA) is approving a redesignation substitute and making finding of attainment for both the revoked 1-hour and the revoked 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) for the Dallas-Fort Worth ozone nonattainment areas (DFW area).