Not just Aroclors – The Inadvertent PCB Problem
Polychlorinated biphenyls (PCBs) are chlorinated organic compounds widely used in various industrial applications from the 1930s until their ban in the late 1970s. The compounds have excellent heat resistance and electrical insulating properties, so they were commonly used in industrial equipment. PCBs were also prevalent in caulking as a plasticizer in buildings constructed between 1950…