29 April 2026
TFA – A persistent pollutant
Trifluoroacetic acid (TFA) is a highly mobile yet extremely stable substance. Itself a ‘forever chemical’, it is the smallest of the PFAS molecules produced when larger PFAS degrade. These might be refrigerants leaked from air conditioning systems and heat pumps, propellants used in aerosol cans and foams, or plant protection products used in agriculture.
