GREEN BAY, Wis. (AP) -- Dredging and shipwreck removal has resumed on the Fox River near Green Bay.
Press-Gazette Media reported Sunday that dredging resumed last week after workers called it quits for the winter last fall. Tetra Tech, the company overseeing the work, also plans to resume removing tugboat and barge wreckage behind its Green Bay facility.
Green Bay-area paper companies are under federal orders to remove polychlorinated biphenyls, or PCBs, from the river. PCBs are chemicals used in the 1950s and 1960s to produce carbonless copy paper.
Workers have dredged more than 2.16 million cubic yards of sediment since cleanup began in 2009. They expect to remove about 670,000 cubic yards before ending work for the season this fall.
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