空氣污染物

任何污染源或其組成，包括流入空氣中且在相當高濃度下可能影響人類、動植物或物質之各類物理性、化學性、生物性或放射性元素或物質。

air pollutant

Any pollutant agent or combination of such agents, including any physical, chemical, biological, radioactive substance or matter which is emitted into or otherwise enters the ambient air and can, in high enough concentrations, harm humans, animals, vegetation or material. (Source: LEE / TOE)