ARSD 74:36:04:31. Circumvention of emissions not allowed

A person may not install or cause the installation or use of a device or a means which conceals or dilutes an emission of air pollutants that would otherwise violate this article or the Clean Air Act. This includes operating a source, unit, or control device which emits pollutants into the ambient air from an opening other than the stack, vent, or equivalent opening from which they were designed to be emitted.