Group Name: Polychlorinated biphenyls
MCL: 0.0005 ppm
Summary: Polychlorinated biphenyls (referred to as PCBs collectively) comprise 209 synthetic compounds that have been banned for production since 1979. They have a wide range of uses and applications in consumer and industrial manufacturing. They are persistent environmental contaminants in the atmosphere, soil, and water. They have many toxic effects towards humans and bioaccumulate in organisms. Commercial uses combined a mixture of PCBs and were sold under various trade names.