Frontiers of Environmental Science & Engineering, Journal Year: 2024, Volume and Issue: 19(2)
Published: Nov. 23, 2024
Language: Английский
Environment International, Journal Year: 2023, Volume and Issue: 178, P. 108033 - 108033
Published: June 17, 2023
Drinking-water quality is a rising concern in the United States (US), emphasizing need to broadly assess exposures and potential health effects at point-of-use. per- poly-fluoroalkyl substances (PFAS) are national concern, however, there limited information on PFAS residential tapwater point-of-use, especially from private-wells. We conducted reconnaissance compare human unregulated private-well regulated public-supply tapwater. Tapwater 716 locations (269 private-wells; 447 public supply) across US was collected during 2016-2021 including three where temporal sampling conducted. Concentrations of were assessed by laboratories compared with land-use potential-source metrics explore drivers contamination. The number individual observed ranged 1 9 (median: 2) corresponding cumulative concentrations (sum detected PFAS) ranging 0.348 346 ng/L. Seventeen least once PFBS, PFHxS PFOA most frequently approximately 15% samples. Across US, profiles estimated median similar among private wells estimate that one could be about 45% drinking-water These detection probabilities varied spatially variation concentrations/numbers detected. Benchmark screening approaches indicated exposure risk dominated PFOS, when Potential source related concentrations, detected; relations specific likely due low frequencies higher limits. Information generated supports for further assessments risks as class combination other co-occurring contaminants, particularly unmonitored private-wells or not available.
Language: Английский
Citations
96
The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 878, P. 163123 - 163123
Published: March 29, 2023
Language: Английский
Citations
72
Water Research, Journal Year: 2023, Volume and Issue: 242, P. 120212 - 120212
Published: June 10, 2023
Language: Английский
Citations
43
Case Studies in Chemical and Environmental Engineering, Journal Year: 2024, Volume and Issue: 9, P. 100643 - 100643
Published: Jan. 30, 2024
Per- and polyfluoroalkyl substances (PFAS) have been detected in soils worldwide, suggesting that soil serves as a substantial reservoir for these compounds. This paper provides comprehensive overview of the origin PFAS contamination sediment, well environmental impacts associated with distribution mediums. In this review, we also discuss effects on microbes, plants, terrestrial food web, sediment benthic microorganisms. The highest concentration was found exposed to aqueous film-forming foam (AFFF), manufacturing biosolids, compared landfills, atmospheric deposition, industrial discharge, which are other three sources. Exposure has demonstrated negative richness, diversity, population structure bacterial species. It observed interfere regular functioning microorganisms, organisms sediment. Nevertheless, current data is insufficient grasp complete spectrum comprehensively. Moreover, accumulation vegetables, earthworms cause concern, they can eventually enter chain through trophic transfer processes. Finally, challenges possible strategies be implemented restrict dispersion sediments soil.
Language: Английский
Citations
23
Science, Journal Year: 2024, Volume and Issue: 386(6723), P. 748 - 755
Published: Oct. 24, 2024
Per- and polyfluoroalkyl substances (PFAS), known colloquially as "forever chemicals," have been associated with adverse human health effects contaminated drinking water supplies across the United States owing to their long-term widespread use. People in may unknowingly be that contains PFAS because of a lack systematic analysis, particularly domestic supplies. We present an extreme gradient-boosting model for predicting occurrence groundwater at depths supply conterminous States. Our results indicate 71 million 95 people potentially rely on detectable concentrations before any treatment.
Language: Английский
Citations
17
Journal of Power Sources, Journal Year: 2025, Volume and Issue: 630, P. 236104 - 236104
Published: Jan. 5, 2025
Language: Английский
Citations
3
Environmental Science Advances, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Climate change leads to releases of persistent organic pollutants and chemicals emerging concern as glaciers melt permafrost thaws. Increased human activity in the Arctic may enhance local emissions potentially problematic chemicals.
Language: Английский
Citations
2
Molecules, Journal Year: 2023, Volume and Issue: 28(22), P. 7564 - 7564
Published: Nov. 13, 2023
In contrast to some low-molar-mass per- and polyfluoroalkyl substances (PFASs), which are well established be toxic, persistent, bioaccumulative, mobile, fluoropolymers (FPs) water-insoluble, safe, bioinert, durable. These niche high-performance polymers fulfil the 13 polymer-of-low-concern (PLC) criteria in their recommended conditions of use. addition, more recent innovations (e.g., use non-fluorinated surfactants aqueous radical (co)polymerization fluoroalkenes) from industrial manufacturers FPs highlighted. This review also aims show how these specialty endowed with outstanding properties essential (even irreplaceable, since hydrocarbon polymer alternatives used similar fail) for our daily life (electronics, energy, optics, internet things, transportation, etc.) constitute a special family separate other “conventional” C1–C10 PFASs found everywhere on Earth its oceans. Furthermore, information reports recycling unzipping depolymerization polytetrafluoroethylene, PTFE, into TFE), end-of-life FPs, risk assessment, circular economy, regulations. Various studies devoted environments involving though they present volume (with yearly production 330,300 t) compared all plastics 460 million t). Complementary reviews PFASs, lack such above data, this presents both fundamental applied strategies as evidenced by major FP producers.
Language: Английский
Citations
29
The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 918, P. 170647 - 170647
Published: Feb. 6, 2024
Language: Английский
Citations
14
Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(15), P. 6616 - 6627
Published: April 3, 2024
While the extent of environmental contamination by per- and polyfluoroalkyl substances (PFAS) has mobilized considerable efforts around globe in recent years, publicly available data on PFAS Europe were very limited. In an unprecedented experiment "expert-reviewed journalism" involving 29 journalists seven scientific advisers, a cross-border collaborative project, "Forever Pollution Project" (FPP), drew both methods investigative journalism techniques such as open-source intelligence (OSINT) freedom information (FOI) requests to map across Europe, making public that previously had existed "unseen science". The FPP identified 22,934 known sites, including 20 manufacturing facilities, 21,426 "presumptive sites", 13,745 sites presumably contaminated with fluorinated aqueous film-forming foam (AFFF) discharge, 2911 industrial 4752 related PFAS-containing waste. Additionally, 231 "known users", new category for intermediate level evidence use considered likely be sources. However, true remains significantly underestimated due lack comprehensive geolocation, sampling, data. This model knowledge production dissemination offers lessons researchers, policymakers, about cross-field collaborations transparency.
Language: Английский
Citations
14