[Aromatic hydrocarbons: environmental pollution and biological effects].

A complete explanation of the problem concerning aromatic hydrocarbons as polluting materials is presented. Both collective and individual sources of pollution, the collective sources, due to the human work activities, and the individual ones, caused by the habit to smoking have ben considered. The effects these compounds have in the human organism and particularly the carcinogenic action of polycyclic hydrocarbons have also ben discussed.