The state claimed “forever chemicals,” also known as PFAS, contaminated groundwater from an industrial park where they were used for decades.

M will pay the state of New Jersey up to $450 million through the next 25 years to settle claims of PFAS contamination. The Maplewood-based manufacturer sold the “forever chemicals” to the DuPont Chambers Works facility in the Garden State for many years.

TRENTON, N.J. (AP) — New Jersey’s attorney general said Tuesday chemical manufacturer 3M agreed to pay up $450 million to resolve lawsuits over natural resource contamination stemming from PFAS — commonly referred to as “forever chemicals.”