Section 217.246 - Ventilation and Odor Control(a) A design must include sufficient ventilation to eliminate an accumulation of fumes or gases at a level that could adversely impact human health, safety, welfare, or the environment.(b) An enclosed area that is accessible to individuals must have automatic mechanical ventilation. Automatic mechanical ventilation consists of: (1) a continuous ventilation system that provides at least one complete air exchange every 10 minutes; or(2) an intermittent ventilation system that provides at least one complete air exchange every two minutes.(c) A sludge processing unit must prevent nuisance odors.30 Tex. Admin. Code § 217.246
The provisions of this §217.246 adopted to be effective August 28, 2008, 33 TexReg 6843; Amended by Texas Register, Volume 40, Number 47, November 20, 2015, TexReg 8336, eff. 12/4/2015