PCBs Found in Soon-To-Be-Dredged Indiana Harbor and Ship Canal

University of Iowa researchers have confirmed that sediments of the Indiana Harbor and Ship Canal (IHSC) in East Chicago, Ind., are contaminated with polychlorinated biphenyls (PCBs). The IHSC, part of the Calumet River tributary of Lake Michigan, will begin being dredged in the next few years to maintain the proper depth for ship traffic, with uncertain environmental impacts in regard to PCBs.

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