(a) Any person owning or operating a source which emits air contaminants into the air of this state shall, upon request by the board or the executive director, conduct sampling to determine the opacity, rate, composition, and/or concentration of such emissions. Sampling shall be conducted at a frequency and within a period of time which are reasonable as specified by the board or executive director. The sampling method shall be specified by the board or the executive director and, further, the sampling shall be conducted so as to reflect with reasonable accuracy the above listed characteristics of such emissions.(b) Any person affected by subsection (a) of this section may request the executive director to approve alternate sampling techniques or other means to determine the opacity, rate, composition, and/or concentration of emissions. The executive director may approve such alternate methods or means if it can be demonstrated that such alternatives will be substantially equivalent to the sampling methods specified by the executive director or the board.(c) If requested to obtain air contaminants emission data pursuant to subsection (a) of this section, the owner or operator shall attest to and report the results so obtained to the executive director within a reasonable time specified by and on forms furnished by the executive director.(d) Copies of all data, the computations, and results obtained under subsection (a) of this section shall be retained by the owner or operator of a source for at least five years and shall be made available to the board, or any members, employees or agents thereof, and to any local air pollution control agencies, during regular business hours.30 Tex. Admin. Code § 101.8
The provisions of this §101.8 adopted to be effective January 1, 1976