Per- and polyfluoroalkyl substances (PFAS) are widespread anthropogenic chemicals that have been in use for the past 70 years. This class of compounds comprises thousands of chemicals including perfluorosulfonates (PFSAs) such as perfluorooctane sulfonate (PFOS), perfluorocarboxylic acids (PFCAs), and perfluorooctanoic acid (PFOA). As the use of these chemicals has grown so has their ubiquity in...

New Mexico Water Science Center

Assessment of Per- and Polyfluoroalkyl Substances in Water Resources of New Mexico

February 21, 2023

Assessment of Per- and Polyfluoroalkyl Substances in Water Resources of New Mexico

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March 31, 2025

Per- and polyfluoroalkyl substances (PFAS) mass flux and mass balance at an aqueous film-forming foam release site in semiarid eastern New Mexico, USA Per- and polyfluoroalkyl substances (PFAS) mass flux and mass balance at an aqueous film-forming foam release site in semiarid eastern New Mexico, USA

Passive flux meters (PFMs) directly measure groundwater chemistry mass flux and Darcy flux, providing insight into contaminant source-zone architecture and transport properties. This study uses PFMs to characterize PFAS flux in groundwater at a semiarid site with a thick (greater than 90-m) unsaturated zone where groundwater has been contaminated with per- and polyfluoroalkyl substances...

Authors

Erin Louise Gray, Samuel Edwin Potteiger, Trevor Dylan Brannon, Stuart Bryan Norton, Jay Cho, Michael D. Annable

New Mexico Water Science Center