PFAS Source Differentiation at Airports and Beyond
Dan Schneider, National Director, Site Investigation and Remediation, Terracon
Today’s airports are facing increased scrutiny from stakeholders and regulatory agencies related to the use of aqueous film forming foam (AFFF) for fire protection and response. For decades, AFFF was used at airports as part of the Federal Aviation Association (FAA) Part 139 Certification process for active training and in response to airport fires. AFFF contained PFAS that are currently being regulated in certain states or are being considered for significant regulation under both state and federal agencies. The National Academy of Science, Engineering and Medicine, through the Transportation Research Board, provided grant funding through its Airport Cooperative Research Program (ACRP) to support informed decision making related to source differentiation of PFAS. The resulting research discusses a “lines of evidence” approach to evaluating both on- and off-airport PFAS risk, including data mining and visualization, as well as PFAS-related forensics to assist the user in evaluating the potential complexities of PFAS analytical data. Also, the team developed a “PFAS Assessment Progress Tracker” to indicate progress of areas that could be considered to inform on PFAS sources both on-airport and off-airport. Additionally, the approach has a broader applicability to PFAS source differentiation beyond airports. The research on PFAS source differentiation is both timely and important in light of pending regulation and the widespread use of PFAS-containing products and processes at airports and in surrounding industries.
Mr. Schneider currently is Terracon’s National Director for Site Investigation and Remediation. He also leads the Terracon nationwide PFAS Professionals Network which consists of over 80 environmental professionals currently working on PFAS projects across the country. He also served as Program Lead and Deputy Principal Investigator for the National Academy of Science, Engineering and Medicine (NASEM), Transportation Research Board (TRB) - Airport Cooperative Research Program (ACRP) research project recently completed entitled “PFAS Source Differentiation at Airports” (TRB Report 255).
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