Persistent organochlorines in beluga whales (Delphinapterus leucas) from the St Lawrence River estuary - I. Concentrations and patterns of specific PCBs, chlorinated pesticides and polychlorinated dibenzo-p-dioxins and dibenzofurans

ambiente marino bifenilos policlorados canada chlordane clordano delphinapterus leucas dieldrin dieldrine estuaire estuaries estuarios fishes fongicide fungicidas fungicides hexachlorobenzene insecticidas insecticide insecticides marine environment milieu marin peces poisson (animal) polychlorinated biphenyls residues residuos