Original ResearchPublished 11 February 2026Identifying sources of per- and polyfluoroalkyl substances (PFAS) in an arid environment with de facto reuseJessica Steigerwald · Rebecca Trenholm · Oscar Quiñones · Brett J. Vanderford · Eric DickensonFrontiers in Environmental Chemistrydoi 10.3389/fenvc.2026.1694851