PFAS Science Updates


The scientific community’s understanding of the health and environmental effects of PFAS is evolving at a rapid pace. At the same time, researchers are developing new technologies to assess and remediate PFAS contamination. This section provides the latest updates on developments in PFAS-related science and technology.

Content in this section does not reflect the opinion of Alston & Bird or its attorneys.

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Toxicology Assessment for Six PFAS-Free Aqueous Film Forming Foam (AFFF) Products

A new study by U.S. Army researchers on the alleged toxicity of PFAS-free firefighting foams has identified tradeoffs among the products examined for short-term exposure risks, even while minimizing the likelihood of environmental persistence and bioaccumulation, underscoring the challenges Department of Defense acquisition officials face in phasing out use of the chemicals.

February 2023 | Integrated Environmental Assessment and Management

Presumptive Contamination: A New Approach to PFAS Contamination Based on Likely Sources

This report provides a map of presumptive PFAS contamination sites in the United States to identify and prioritize sites for monitoring, regulation, and remediation. Over 57,000 sites were identified, including AFFF discharge sites, industrial facilities that produce or use PFAS, and sites related to PFAS-containing waste.

October 12, 2022 | Environmental Science & Technology Letters