Air pollutants which are not covered by ambient air quality standards but which, as defined in the Clean Air Act, may present a threat of adverse human health effects or adverse environmental effects.Such pollutants include asbestos, beryllium, mercury, benzene, coke oven emissions, radionuclides, and vinyl chloride.
HAZARDOUS AIR POLLUTANTS
Meaning of HAZARDOUS AIR POLLUTANTS in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012