Texas Health and Safety Code - HEALTH & SAFETY § 382.085. Unauthorized Emissions Prohibited

(a) Except as authorized by a commission rule or order, a person may not cause, suffer, allow, or permit the emission of any air contaminant or the performance of any activity that causes or contributes to, or that will cause or contribute to, air pollution.

(b) A person may not cause, suffer, allow, or permit the emission of any air contaminant or the performance of any activity in violation of this chapter or of any commission rule or order.