On August 8, 2018, the commission adopted two revisions to the Texas SIP for the 2015 ozone NAAQS: the 2015 Ozone NAAQS Infrastructure SIP Revision (Non-Rule Project No. 2017-040-SIP-NR) and the 2015 Ozone NAAQS Transport SIP Revision (Non-Rule Project No. 2017-039-SIP-NR). Infrastructure and Transport SIP revisions for the 2015 ozone NAAQS are due to the United States Environmental Protection Agency (EPA) by October 1, 2018.
For additional information, please visit the Air Pollution from Ozone webpage.