Tex. Health and Safety Code § 382.020: CONTROL OF EMISSIONS FROM FACILITIES THAT HANDLE CERTAIN AGRICULTURAL PRODUCTS.

(a) The commission, when it determines that the control of air pollution is necessary, shall adopt rules concerning the control of emissions of particulate matter from plants at which grain, seed, legumes, or vegetable fibers are handled, loaded, unloaded, dried, manufactured, or processed according to a formula derived from the process weight of the materials entering the process.

(b) A person affected by a rule adopted under this section may use:

(1) the process weight method to control and measure the emissions from the plant; or

(2) any other method selected by that person that the commission or the executive director, if authorized by the commission, finds will provide adequate emission control efficiency and measurement.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989. Amended by Acts 1995, 74th Leg., ch. 76, Sec. 11.149, eff. Sept. 1, 1995.