30 Tex. Admin. Code § 335.501
Persons who generate industrial solid waste or municipal hazardous waste shall comply with the provisions of this subchapter. Wastes that are regulated under Chapter 334, Subchapter K of this title (relating to Storage, Treatment, and Reuse Procedures for Petroleum-Substance Contaminated Soil) are not subject to the provisions of this subchapter. Persons who generate wastes in Texas shall classify their own waste according to the standards set forth in this subchapter and may do so without any prior approval or communication with the agency other than notification of waste generation activities pursuant to § 335.6 of this title (relating to Notification Requirements) and submittal of required documentation pursuant to § 335.513 of this title (relating to Documentation Required). A generator of industrial solid waste or special waste as defined by § 330.3 of this title (relating to Definitions) shall refer to Chapter 330 of this title (relating to Municipal Solid Waste) for regulations regarding the disposal of such waste prior to shipment to a municipal landfill. Used oil, as defined and regulated under Chapter 324 of this title (relating to Used Oil), is not subject to the provisions of this subchapter. This subchapter:
30 Tex. Admin. Code § 335.501