Articles | Volume 25, issue 21
https://doi.org/10.5194/acp-25-14735-2025
https://doi.org/10.5194/acp-25-14735-2025
Research article
 | 
05 Nov 2025
Research article |  | 05 Nov 2025

Characteristics, main sources, health risks of PM2.5-bound polyfluoroalkyl substances (PFAS) in Zhengzhou, central China: from seasonal variation perspective

Jingshen Zhang, Xibin Ma, Minzhen Li, Zichen Wang, Nan Jiang, Yan Liu, and Fengchang Wu

Cited articles

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Barton, C. A., Butler, L. E., Zarzecki, C. J., Flaherty, J., and Kaiser, M.: Characterizing perfluorooctanoate in ambient air near the fence line of a manufacturing facility: Comparing modeled and monitored values, J. Air Waste Manage. Assoc., 56, 48–55, https://doi.org/10.1080/10473289.2006.10464429, 2006. 
Cardenas, A., Gold, D. R., Hauser, R., Kleinman, K. P., Hivert, M. F., Calafat, A. M., Ye, X. Y., Webster, T. F., Horton, E. S., and Oken, E.: Plasma Concentrations of Per- and Polyfluoroalkyl Substances at Baseline and Associations with Glycemic Indicators and Diabetes Incidence among High-Risk Adults in the Diabetes Prevention Program Trial, Environ. Health. Persp., 125, https://doi.org/10.1289/ehp1612, 2017. 
Chang, N. Y., Eichler, C. M. A., Amparo, D. E., Zhou, J. Q., Baumann, K., Hubal, E. A. C., Surratt, J. D., Morrison, G. C., and Turpin, B. J.: Indoor air concentrations of PM2.5 quartz fiber filter-collected ionic PFAS and emissions to outdoor air: findings from the IPA campaign, Environ. Sci.-Process Impacts., https://doi.org/10.1039/d4em00359d, 2024. 
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Short summary
Currently, few studies have begun to focus on the source and health risks of polyfluoroalkyl substances (PFAS), however no systematic studies have been conducted of PFAS in PM2.5. This study aimed to characterize the pollution levels, identify the primary sources, and assess the health risks linked to PFAS in PM2.5. The study indicated that seasonal regulation manufacturing related to perfluorooctanoic acid and joint pollution control with neighboring cities could reduce PFAS levels in PM2.5.
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