The DoD is responsible for the management of installations impacted by per- and polyfluoroalkyl substances (PFAS) and understanding the ecological impact of these chemicals improves decision-making related to mitigation of exposures and future environmental cleanup. Over the years, efforts to close knowledge gaps in ecological toxicity and risk have aided in the development of appropriate site-specific risk assessments. This session addressed the ecological toxicity and risk of PFAS, and PFAS-free firefighting formulations on avian, aquatic, and terrestrial species.

Session Chair: Dr. Jamie Suski, EA Engineering, Science, and Technology, Inc.

Introduction by Session Chair

Recent Advances in PFAS Ecological Risk Characterization in SERDP and ESTCP

Dr. Jamie Suski, EA Engineering, Science, and Technology, Inc.

Mr. Timothy Thompson, Science and Engineering for the Environment (SEE) LLC

PFAS in Birds – Overview What We Know, What We Suspect, and What We Need to Know About Effects on Avian Populations

Dr. Christine Custer, U.S. Geological Survey

Implications of a Multigenerational Zebrafish PFOS Exposure on Regulatory Thresholds for Protection of Aquatic Life

Dr. David Moore, U.S. Army Engineer Research and Development Center (ERDC)

Established and New Methods for Assessing the Ecotoxicity of PFAS Mixtures

Dr. Cheryl Murphy, Michigan State University

Aquatic Systems as a Tool for Evaluating the Toxicity of PFAS-free AFFF Alternatives

Dr. Jason Hoverman, Purdue University

Overview of Research Focused on Assessing the Ecological Effects of PFAS in the U.S. EPA Office of Research and Development

Dr. Gerald Ankley, EPA, Office of Research and Development