DuPont and two other companies will pay New Jersey up to $2 billion to settle environmental claims stemming from PFAS, commonly referred to as “forever chemicals,” the companies announced Monday.

State Environmental Commissioner Shawn LaTourette said the deal with DuPont, Chemours and Corteva is the largest such settlement in the state’s history. It calls for the companies to pay $875 million over 25 years and create a remediation fund of up $1.2 billion. The companies will split the costs under the deal, which must still be approved by the courts.

DuPont said the settlement will resolve “all pending environmental and other claims” for ”legacy” contamination claims at four sites where the companies operated in the state. It comes just months after the state said chemical manufacturer 3M has agreed to pay up $450 million to resolve lawsuits over natural resource contamination stemming from PFAS.