This blog is about Polychlorinated Biphenyls, a toxic compound that the US banned in the 1970s, and their societal impact especially related to schools in New York city. In the 1960s and 70s PCBs were widely used in building materials such as caulk which is still in place in many older buildings including many New York city schools. What does this mean for kids and teachers who spend the majority of their days in these buildings and what is being done to address this issue?
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