,On December 11, 2025, Democratic lawmakers introduced companion bills in the U.S. House and Senate to amend the Toxic Substances Control Act (TSCA) to establish a federal cause of action for individuals significantly exposed to per- and polyfluoroalkyl substances (PFAS). The proposed legislation would create a codified pathway for affected individuals to bring claims at the federal level and seek remedies related to PFAS exposure. The House bill, H.R. 6626, was introduced by Representative Madeleine Dean (D-PA), while the Senate counterpart, S. 3460, was introduced by Senator Kirsten Gillibrand (D-NY). Although the legislative text had not been released as of mid-December 2025, the stated intent of both bills is to promote scientific research, strengthen accountability for irresponsible PFAS discharges, and support remediation efforts. If enacted, the amendments could significantly expand litigation risk for manufacturers, users, and other regulated entities involved with PFAS, depending on how significant exposure, liability standards, and available remedies are ultimately defined. The proposal signals continued federal momentum toward addressing PFAS-related health and environmental concerns beyond existing regulatory controls.
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