Polychlorinated Biphenyls - analysis, Environmental Monitoring, Hazardous Substances - poisoning, Hazardous Waste Sites - legislation & jurisprudence, Humans, Waste Disposal Facilities - legislation & jurisprudence, Polychlorinated Dibenzodioxins - analogs & derivatives, Animals, Benzofurans - analysis, Incineration, Cattle, Environmental Pollution, Public H...