Enantiomeric ratios of alpha-hexachlorocyclohexane in blubber of small cetaceans

analytical methods cetacea chemical structure chromatographie en phase gazeuse efectos secundarios effet secondaire gas chromatography hch insecticidas insecticide insecticides marine areas metabolism metabolisme metabolismo nontarget effects pesticide pesticides phocoenoides phocoenoides dalli plaguicidas residues residuos side effects structure chimique technique analytique zonas marinas