The Texas Commission on Environmental Quality (TCEQ) will meet on March 4, 2020 to consider adoption of three revisions to the Texas SIP for the 2008 eight-hour ozone National Ambient Air Quality Standard (NAAQS): the Dallas-Fort Worth (DFW) Serious Classification Attainment Demonstration (AD) SIP Revision, the Houston-Galveston-Brazoria (HGB) Serious Classification AD SIP, and the DFW and HGB Serious Classification Reasonable Further Progress SIP Revision. The DFW AD SIP revision also incorporates revisions to the 30 Texas Administrative Code Chapters 115 and 117 rules. For additional information, please visit the DFW: Latest Ozone Planning Activities and HGB: Latest Ozone Planning Activities webpages.