Section 10

The occupier of any industrial or trade premises shall not conduct any trade, industry or process, or operate any fuel burning equipment or industrial plant in or on the premises in such manner as to cause, permit or allow the emission of air impurities in excess of the standard of concentration or rate of emission prescribed in respect of that industry, process, fuel burning equipment or industrial plant.

Where any such standard has not been so prescribed, the occupier of any industrial or trade premises shall conduct any trade, industry or process or operate any fuel burning equipment or industrial plant in or on the premises by the best practicable means as may be necessary to prevent or minimise air pollution:Provided that if at any time any question arises as to the best practicable means available for the purposes of this subsection it shall be determined by the Director.