Assessment of Per- and Poly-Fluoroalkyl Substances (PFAS) and Polybrominated Diphenyl Ethers (PBDEs) in Surface Waters Used for Urban Water Supply in Brazil.

Toxics · 2026 · PMC12945003 · PMID 41745822

Europe PMC DOI

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The sum of PFAS concentration (∑30PFAS) in surface water samples showed a highly significant seasonal variation (Pseudo-F = 18.87, p < 0.001), ranging from 108.07 ± 9.77 to 256.42 ± 29.19 ng/L during dry season and from 46.6 ± 2.8 to 211.79 ± 31.34 ng/L during wet season, in agreement with several studies reviewed by Podder et al.

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