Section 40: In this Part, unless the context otherwise requires–

“air pollution” means a condition of the ambient air arising wholly or partly from the presence of one or more pollutants in the air that endangers the health, safety or welfare of persons or interferes with the normal enjoyment of life or property; “ambient air” means the atmosphere within and outside a structure or within any underground space; “controlled substance” include chlorofluorocarbons, other fully halogenated chlorofluorocarbons, halon, carbon tetrachloride, 1,1,1, trichloroethane, methy1 bromide whether they are virgin, recovered, recycled or reclaimed but does not include any controlled substance– 20 21 Duties of owners of projects. Identification of authorised officers. Interpretation No. 11 Environment Protection Agency Act, 2008 No. 11 Environment Protection Agency Act, 2008 (a) which is in a manufactured product other than a container used for the transportation or storage of that substance; (b) originating from inadvertent or coincidental production during a manufacturing process, or from use as a processing agent which is present in chemical substance as trace impurities, or which is emitted during product manufacture or handling; “controlled product” means a product that contains, is made with, is dependent on or designed to contain a controlled substance; “chlorofluorocarbon” means a fully halogenated chlorofluorocarbon each molecule of which contains one, two or three carbonations in the categories set out in the Fourth Schedule ; “halon” means an abrominated chemical related to a chlorofluorocarbon, used in fire fighting and having a very high ozone depleting potential set out in column III of the Fourth Schedule including their isomers; “Protocol” means the Protocol on Substances that deplete the ozone layer adopted in Montreal, Canada in 1987.