PFAS (disambiguation)
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Look up PFAS in Wiktionary, the free dictionary.
PFAS or PFASs are per- and polyfluoroalkyl substances, a large class of synthetic chemicals.
PFAS or PFASS may also refer to:
- Phosphoribosylformylglycinamidine synthase, an enzyme
- Personal fall arrest system, in workplace safety
- Philadelphia Female Anti-Slavery Society