Experimental investigation reveals how dissolved organic matter influences PFAS migration in soil, indicating environmental implications.
Key Points
This research explores how dissolved organic matter interacts with per- and polyfluoroalkyl substances in soil and how this affects their migration and partitioning behavior.
Investigated the composition of PFAS and dissolved organic matter in field soil samples.
Examined the spatial distribution and concentration of PFAS ranging from 3.14 to 50.92 ng/g.
Analyzed the relationship between soil organic carbon content and PFAS partitioning.
Higher PFAS burdens correlated with greater abundance of lability and bioavailability in DOM.
Short-chain PFAS showed a stronger association with changes in DOM composition.
Protein-like components facilitated PFAS migration into porewater, while humic-like components favored adsorption to soil.