polychlorinatedbiphenyls

polychlorinated biphenyls were widely used as dielectric fluids in electrical transformers.

the environmental persistence of polychlorinated biphenyls remains a major global concern.

strict regulations now prohibit the manufacturing and use of polychlorinated biphenyls.

scientists detected high concentrations of polychlorinated biphenyls in river sediments.

proper disposal of polychlorinated biphenyls requires specialized high-temperature incineration facilities.

exposure to polychlorinated biphenyls is linked to various adverse human health effects.

these marine mammals bioaccumulate polychlorinated biphenyls through the food chain.

older buildings may still contain sealants contaminated with polychlorinated biphenyls.

polychlorinated biphenyls are classified as persistent organic pollutants by international treaties.

analysis of polychlorinated biphenyls in soil samples revealed significant contamination levels.

the chemical stability of polychlorinated biphenyls contributes to their toxicity in wildlife.

cleaning up sites contaminated with polychlorinated biphenyls is a complex and expensive process.