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The Department of Defense has been using aqueous film forming foam (AFFF) since the 1970s to suppress fires. Due to this use, there are numerous sites with related per-and polyfluoroalkyl substance (PFAS) contamination. With the increase in investigations to determine the extent of PFAS contamination, large quantities of investigation-derived waste (IDW) are being generated. In 2018, SERDP initiated a suite of projects to develop technologies capable of more cost effective, on-site treatment of these waste materials. All selected projects are one-year, proof-of-concept approaches and are further described below.