A group of highly reactive organic compounds, such as pyrene, that comprise a component of creosotes and can cause cancer.
POLYCYCLIC AROMATIC HYDROCARBONS/POLARAROMATIC HYDROCARBONS (PAHS)
Meaning of POLYCYCLIC AROMATIC HYDROCARBONS/POLARAROMATIC HYDROCARBONS (PAHS) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012