- (a) A design must include sufficient ventilation to eliminate an accumulation of fumes or gases at a level that might be a health hazard or a threaten air quality.
(b) An enclosed area that may be accessed by staff must have automatic mechanical ventilation.
- (1) A continuous ventilation system must provide at least six complete air exchanges per hour.
- (2) An intermittent ventilation system must provide at least 30 complete air exchanges per hour.
- (c) A sludge processing unit must be designed to prevent nuisance odors.
Source Note:The provisions of this §217.246 adopted to be effective August 28, 2008, 33 TexReg 6843.