| polychlorinated biphenyls (pcbs) and their hydroxylated metabolites (oh-pcbs) in livers of harbor seals (phoca vitulina) from san francisco bay, california and gulf of maine. | bioaccumulation of endocrine disruptors in marine mammals positioned at the top of the food chain is of toxicological concern. livers from four pups and ten adult harbor seals (phoca vitulina) stranded in san francisco bay (sfb) and the gulf of maine (gom) were analyzed for polychlorinated biphenyls (pcbs) and their hydroxylated metabolites (oh-pcbs). we used gc-ecd and gc-nci/ms to investigate the presence of 28 pcbs and 8 oh-pcb metabolites, respectively. sigma(28)pcb concentrations (di- to oc ... | 2009 | 19150735 |