Levels of organochlorine compounds, including PCDDS and PCDFS, in the blubber of cetaceans from the west coast of North America

california californie camphechlor canfecloro cetacea dde ddt efectos secundarios effet secondaire eschrichtius robustus eua grampus griseus halogenated hydrocarbons hidrocarburos halogenados insecticidas insecticide insecticides mammals nontarget effects orcinus orca organochlorine compounds pesticide pesticides phocoena phocoena phocoena phocoenoides dalli plaguicidas pseudorca crassidens residues residuos side effects usa vertebrados vertebrates vertebre