By Susan Barnett
http://stream.publicbroadcasting.net/production/mp3/wamc/local-wamc-725676.mp3
Waterford, NY – A massive dredging operation federal officials call unique is finally about to begin thirty years after it was proposed. And communities downstream say they'll sue to make sure they're not drinking any more PCBs. Hudson Valley bureau chief Susan Barnett has the first of a two part report.