Research progress on the pollution status of per-and polyfluoroalkyl substances(PFASs)in surface water:A review
Recently,the mass production and usage of per-and polyfluoroalkyl substances(PFASs)have caused the serious PFASs pollution in natural water.Due to the biological toxicity and the strong persistence,PFASs pollution is threating the ecological environment and human health.Nowadays,many countries and international organizations have begun to monitor the PFASs pollution in surface water.However,the current monitoring only focus on the point source,and there still lacking the large-scale and long-term monitoring.Therefore,it is impossible to accurately reveal the spatiotemporal characteristics of PFASs pollution.This study summarizes the occurrence level of PFASs in surface water,and expounding the distribution characteristics of PFASs in the surface water.Moreover,the temporal variation law of PFASs pollution in surface water was revealed,and some environmental factors were also discussed.Finally,the follow-up suggestions on PFASs monitoring are proposed,providing a basis for accurately assessing the pollution status of PFASs in the environment.
per-and polyfluoroalkyl substances(PFASs)surface waterpollution characteristicsspatial and temporal differences
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