Tex. Health & Safety Code § 361.036
The commission by rule shall require a person who generates, transports, processes, stores, or disposes of Class I industrial solid waste or hazardous waste to provide recordkeeping and use a manifest or other appropriate system to assure that the waste is transported to a processing, storage, or disposal facility permitted or otherwise authorized for that purpose.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.