SURVEY ON THE PRESENCE OF POLYCHLOROBIPHENYLS (PCBs) ON FISHES OF PIEDILUCO LAKE (TERNI, CENTRAL ITALY)

During the period 2004-2006, 254 specimen belonging to Ciprinidae, Percidae and Anguillidae fishes of Piediluco Lake were analyzed by gas chromatography to check for the presence of PCBs contamination. Data obtained show low level of contamination with a decreasing trend from 2004 to 2006.