Polychlorinated biphenyl: Revision history


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  • curprev 21:1521:15, 3 August 2023E.Farruggia talk contribsm 130,955 bytes −31 Reason for my modification: first, the text had the wrong year regarding when TSCA happened (1979!), repieting this year multiple time. And I decided to remove repited information on, what is now, the 3rd paragraph add another important piece of information in the first paragraph, which is about regulations. A piece of information already included on Wikipedia under "Toxic Substances Control Act of 1976". . I didn't check anything under Physical and chemical properties. undo Tag: references removed

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