| lifetime health risk assessment from exposure of recreational users to polycyclic aromatic hydrocarbons. | in order to assess the lifetime risk of skin cancer for recreational users from dermal exposure to polycyclic aromatic hydrocarbons (pahs), sediment samples were collected from beach sites along the st. marys river near sault ste. marie, ontario, and in hamilton harbor and toronto harbor, ontario, and analyzed for pahs. dermal exposure and lifetime skin cancer risk were estimated as follows: concentrations of 11 pahs with sufficient or limited evidence of carcinogenicity or mutagenicity were con ... | 1998 | 9732487 |