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Underestimated burden of per-and polyfluoroalkyl substances in global surface waters and groundwaters

Environmental Studies and Forestry

Underestimated burden of per-and polyfluoroalkyl substances in global surface waters and groundwaters

D. A. Grunfeld, D. Gilbert, et al.

This comprehensive study by Diana Ackerman Grunfeld and colleagues explores PFAS contamination levels in over 45,000 global water samples, revealing alarming exceedances of drinking water guidance values. It stresses the necessity for improved monitoring and understanding of PFAS in both consumer and industrial products to address environmental concerns.

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Playback language: English
Abstract
This study collated PFAS concentration data from over 45,000 surface and groundwater samples globally to assess the extent of PFAS contamination and its future environmental burden. A substantial fraction of samples exceeded PFAS drinking water guidance values, with exceedance levels varying by jurisdiction and source. Current monitoring practices likely underestimate PFAS due to the limited range of PFAS typically quantified. Improved understanding of PFAS in consumer and industrial products is needed to assess environmental burden and develop mitigation strategies. The study highlights the need for better understanding of anthropogenic chemicals' use, fate, and impacts.
Publisher
Nature Geoscience
Published On
Apr 08, 2024
Authors
Diana Ackerman Grunfeld, Daniel Gilbert, Jennifer Hou, Adele M. Jones, Matthew J. Lee, Tohren C. G. Kibbey, Denis M. O'Carroll
Tags
PFAS
environmental contamination
groundwater
drinking water
monitoring practices
anthropogenic chemicals
mitigation strategies
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