ANSUL NFF-331 foam concentrate does not have any intentionally added PFAS (perfluoroalkyl substances) and is produced in equipment that has not handled PFAS chemistry. This concentrate thus complies with directives (EU) 2017/1000 on PFOA (perfluorooctanoic acid) and 2019/1021 (EU POPs directive). ANSUL NFF-331 foam concentrate has been subjected to OECD 301F testing and after 28 days is considered readily biodegradable.