Per- and polyfluoroalkyl substances (PFAS), a category of several thousand human-made chemicals, have been used for decades in consumer and industrial applications. As more is learned about them, including their resistance to degradation and links to human health concerns, lawmakers and regulators across the country are taking action to ban their use and to require responsible parties to clean up properties with contaminated soils and/or groundwater.

Originally published in Natural Resources & Environment, Volume 39, Number 1, Summer 2024 © 2024 by the American Bar Association.