A long-departed manufacturing company will pay $366 million to clean the PCB-laden harbor here, the largest cash settlement for a single site in the history of the federal Superfund program, government officials announced Wednesday. The cleanup will reverse decades of embarrassment for the fabled fishing city: Although New Bedford is one of the nation’s top fishing ports, eating even a single fish from its harbor has been prohibited because the water is considered so poisoned with polychlorinated biphenyls, a probable human carcinogen.
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