“BOSTON, MASS. (Oct. 14, 2025) –The U.S. Environmental Protection Agency (EPA) has finalized the seventh Explanation of Significant Differences (ESD) for the New Bedford Harbor Superfund Site. The seventh ESD makes three modifications to the 1998 Upper and Lower Harbor Record of Decision. The changes include making 10 interim sediment caps permanent, changing the polychlorinated biphenyl …

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