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OAS datatype Detail for POLYCHLORINATED BIPHENYLS
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|Definition:||PCBs are a class of chemical compounds in which 2–10 chlorine atoms are attached to the biphenyl molecule. Monochlorinated biphenyls (i.e., one chlorine atom attached to the biphenyl molecule) are often included when describing PCBs. See https://www.atsdr.cdc.gov/toxprofiles/tp17-c4.pdf (last accessed on 2017-08-04.|
Polychlorinated biphenyls (PCBs) are a group of chemicals that have extremely high boiling points and are practically nonflammable. Because of this, they were used extensively as heat transfer fluids in transformers and capacitors. In 1979 their manufacture and importation was banned in the United States, based on mounting evidence that they were toxic to humans and wildlife. Today they are classified as probable human carcinogens and are listed in the top 10% of EPA’s most toxic chemicals. See https://archive.epa.gov/epawaste/hazard/wastemin/web/pdf/pcb-fs.pdf, last accessed on 2017-08-04.
|Citation:||Polychlorinated biphenyls (PCBs), undated. US Environmental Protection Agency. (https://archive.epa.gov/epawaste/hazard/wastemin/web/pdf/pcb-fs.pdf, last accessed on 2017-08-04)|