PCBs: Not Just a Local Problem
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Title: PCBs: Not Just a Local Problem

Essay Details:

Subject: Miscellaneous
Author:
Date: September 25, 2014
Level: University
Grade: A
Length: 9 / 2579

Essay text:

The basic structure is comprised of a biphenyl (two benzene rings with a carbon to carbon bond) with a varying number of bonded chlorine molecules along the outside of the biphenyl structure. The toxicity of this compound, however, is dependent upon how many chlorine molecules are present on the biphenyl structure. Thus the more chlorine molecules contained within a PCB, the more toxic the actual compound is. (See figure I.I) Toxicity is not the only chemical aspect whose scale and extent is dependent upon the number of chlorine molecules present within the compound. Among other characteristics, biodegradability is also connected with to the amount of chlorination of a particular PCB...

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