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Posted by: jerry on 11/6/03 Title: PCB
Postnum: 206 EntryID:958
does the toxic chemical known as PCB happen in nature --naturally or is it totally a synthetic


Posted by: Alison on 11/13/03 Title: Re: PCB
Postnum: 206 EntryID:961
Hi Jerry

PCBs are totally man-made. There are no natural PCBs.

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