Abstract
Polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals with high chemical stability and surfactant properties, known as "forever chemical" for their recalcitrance. In recent decades, PFAS have been detected globally in aquatic and terrestrial ecosystems, with perfluorooctanesulfonic acid (PFOS) being the most common compound. After being included in Annex B of the Stockholm …