Dating aroclors new england

Posted by / 15-Sep-2016 15:15

Because of their lower toxicity, they are of less concern to regulatory bodies.The only North American producer, Monsanto Company, marketed PCBs under the trade name Aroclor from 1930 to 1977.In an electric arc, PCBs generate incombustible gases.Use of PCBs is commonly divided into closed and open applications.

Different Aroclors were used at different times and for different applications.There are 209 different chemical compounds in which one to ten chlorine atoms can replace hydrogen atoms.PCBs are typically used as mixtures of compounds and are given the single identifying CAS number 1336-36-3 .PCBs readily penetrate skin, PVC (polyvinyl chloride), and latex (natural rubber)..In PCBs, some of the hydrogen atoms in biphenyl are replaced by chlorine atoms.

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Thus, Aroclor 1260 has 12 carbon atoms and contains 60% chlorine by mass.