States win millions from Monsanto to clean up PCB contamination

By Lesley Clark | 05/18/2026 04:03 PM EDT

Attorneys general in Michigan and Rhode Island say they’ve reached settlements that will help restore areas damaged by the toxic chemicals.

Michigan Attorney General Dana Nessel smiles during an interview.

Michigan Attorney General Dana Nessel on Nov. 21, 2024, in Philadelphia. Nessel announced a PCB settlement Monday with chemicals giant Monsanto. Matt Slocum/AP

Two states have reached multimillion dollar settlements with chemicals giant Monsanto and affiliated companies to address harms caused by highly carcinogenic polychlorinated biphenyls, commonly known as PCBs.

Michigan Attorney General Dana Nessel announced a $108 million settlement Monday with Monsanto, the major manufacturer of PCBs, along with Solutia and Pharmacia, to alleviate contamination that remains decades after the chemicals were banned in 1979.

Rhode Island Attorney General Peter Neronha announced a $25 million settlement and said the amount could go up to $62.5 million, depending on litigation pending between the Monsanto affiliates and PCB purchasers.

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In Michigan, the Department of Environment, Great Lakes and Energy and the Department of Natural Resources will oversee the use of funds to remediate PCB-contaminated property and restore natural resources.

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