Texas Natural Resources Code - NAT RES § 91.602. Rules

(a) To protect human health and the environment, the commission shall adopt and enforce rules and orders and may issue permits relating to the generation, transportation, treatment, storage, and disposal of oil and gas hazardous waste.

(b) The rules adopted by the commission under this section must be consistent with the hazardous waste regulations adopted by the administrator of the United States Environmental Protection Agency under the federal Solid Waste Disposal Act, as amended by the Resource Conservation and Recovery Act of 1976 (42 U.S.C. Section 6901 et seq.). The commission may adopt and enforce rules that are more stringent than the federal hazardous waste regulations if necessary to protect human health.