One of the most common is through storm water runoff. Low levels of PCBs exist just about everywhere and contaminate the environment in many different ways. Unfortunately, many school district officials are completely unaware that these toxins are present in their facilities, and are only now beginning to realize just how prevalent the problem is. in 1979, products that were installed before the ban still remain in place in many school buildings across the nation – especially in school buildings constructed or renovated between 19. PCBs in SchoolsĪlthough PCBs were banned for sale and use in the U.S. Exposure to PCBs is associated with several health problems, including issues affecting the immune, nervous and reproductive systems. As a result, PCBs have contaminated school buildings across the country, they have migrated into city stormwater systems, and they have infiltrated bodies of water and natural resources. Although substantial evidence shows that Monsanto was well aware of the toxicity of PCBs, and that PCBs could not be contained in products or normal uses, the company continued to produce them for decades. ![]() They were used in a multitude of industrial applications, including electrical switches and transformers, caulks, paints and many, many others. PCBs (polychlorinated biphenyls) are chemical compounds made by Monsanto from the 1930s through the 1970s.
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