A slag pile of mining waste is seen in Anaconda, Mont., on Dec. 15, 2016. A subsidiary of London-based oil giant BP has agreed to finish its cleanup of a 300-square mile site in Montana that's contaminated with arsenic from decades of copper smelting and repay the U.S government $48 million for its work at the Anaconda Smelter Superfund Site. (AP Photo/Matt Volz, File)
October 1, 2022
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October 1, 2022 4 p.m.
Montana site fouled by copper smelter to get final cleanup
BILLINGS, Mont. (AP) — A subsidiary of London-based oil giant BP agreed to finish its cleanup of a 300-square mile site in Montana that's contaminated with arsenic and other pollutants from decades of copper smelting, and to repay the U.S. government $48 million in response costs.