R 336.1906 Diluting and concealing emissions.

Rule 906. Unless prior written approval is obtained from the department, a person shall not build, erect, install, or use any article, machine, equipment, or other contrivance if the sole purpose of the article, machine, equipment, or other contrivance is to dilute or conceal an emission without resulting in a reduction in the total release of air contaminants into the atmosphere. This rule does not apply to the control of odors.