Summary
Metals (lead, nickel, cadmium, zinc, chromium, copper, arsenic, and mercury) and metabolites of PAH (polycyclic aromatic hydrocarbons) were determined in burbot (Lota lota) and ruffe (Gymnocephalus cernuus L.) caught in Lake Mjøsa outside Helgøya and waste water treatment plants at HIAS, Lillehammer, and Gjøvik. Furthermore, 16 PAH substances were determined in duck mussel (Anodonta anatina) caught at Helgøya and HIAS.