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Chronology of SERDP statements of research need and ESTCP demonstration projects on AFFF PFAS in the environment. See Supplemental Data, Table S1, for a complete listing of all projects. AFFF = aqueous film‐forming foam; DoD = Department of Defense; ESTCP = Environmental Security Technology Certification Program; FAQ = frequently asked question; PFAS = per‐ and polyfluoroalkyl substances; P&T = Pump and Treat; SERDP = Strategic Environmental Research and Development Program.
