TFA in Drinking Water: Why the Smallest PFAS Is So Difficult to Remove

When PFAS are discussed, well-known compounds such as PFOS and PFOA usually receive the most attention. Trifluoroacetic acid, or TFA, differs significantly from these substances: it is extremely small, highly soluble in water and moves almost unhindered through soils, water bodies and many treatment processes. In water, it is predominantly present as the negatively charged […]