IDENTIFICATION OF SUBSTANCES TRANSFERRED TO FISH OR SHELLFISH FROM PETROLEUM SUSPENSION

Identification of organic S compounds contained in crude oil as a marker of oil pollution of fish and shellfish was performed. Eels (Anguilla japonica Temminck et Schlegel) or short-necked clams (T. amygdala philippinarum A. Adams et Reeve) were maintained in a controlled laboratory environment of water with a suspension of crude oil. Gas chromatography mass spectrometry of eel flesh extract showed the presence of 1-methyl, 2-methyl, dimethyl, trimethylnaphthalenes and dibenzothiophene, and that of soft body of short-necked clams showed dimethyl, trimethylnaphthalene, dibenzothiophene, and monomethyl and dimethyldibenzothiophenes.