30 Tex. Admin. Code § 335.206
Local governments may petition the commission for a rule which restricts or prohibits the siting of a new hazardous waste management facility in areas including, but not limited to, those meeting one or more of the characteristics delineated in Texas Health and Safety Code,, § 361.022, and § 335.204 of this title (relating to Unsuitable Site Characteristics). Such petitions shall be submitted in writing and shall comply with the requirements of § 275.78 of this title (relating to Petition for Adoption of Rules). No rule adopted by the commission under this section shall affect the siting of a new hazardous waste management facility if an application or a notice of intent to file an application with respect to such facility has been filed with the commission prior to the filing of a petition under this section.
30 Tex. Admin. Code § 335.206