Showing 1-15 of 136
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Interaction and coexistence characteristics of dissolved organic matter and toxic metals with per- and polyfluoroalkyl substances in landfill leachate
Science
24 Jul 2024 | Environ Res
Landfill leachate containing PFAS poses significant environmental risks, with high concentrations of short-chain PFAS like PFBA and PFBS strongly interacting with dissolved organic matter and toxic metals, particularly manganese, highlighting the need for better management strategies.
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They’re in pans, fruit, dust – and even tap water. But can I eradicate toxic forever chemicals from my home?
News
25 May 2024 | The Guardian
One person’s attempt to reduce PFAS exposure from everyday items.
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Crop Contamination and Human Exposure to Per- and Polyfluoroalkyl Substances around a Fluorochemical Industrial Park in China
Science
4 Apr 2024 | Toxics
Researchers examined the environmental consequences of transitioning from PFOS to shorter-chain alternatives like PFBS in two PFAS manufacturing plants in Fujian, China, revealing significant contamination of surface water, sediment, and fish by various PFAS compounds, highlighting ongoing environmental risks and emphasizing the need for effective management strategies to mitigate ecological impacts.
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Occurrence, bioaccumulation and trophic dynamics of per- and polyfluoroalkyl substances in two tropical freshwater lakes
Science
14 Feb 2024 | Environ Pollut
PFAS were measured in different fish species in two lakes in Nigeria, identifying the presence of novel PFAS, diSAMPAP and 9CL-PF3ONS, and documenting the role of urbanization on PFAS in the environment for the first time in Africa.
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Understanding the effects of per- and polyfluoroalkyl substances on early skin development: Role of ciliogenesis inhibition and altered microtubule dynamics
Science
30 Dec 2023 | Sci Total Environ
Exposure to PFOS may disrupt early skin development by altering cell morphology, gene expression, and crucial signaling pathways, suggesting a potential link between PFAS exposure and congenital skin diseases during embryonic development.
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Chemical crisis: The unseen toxic threat contaminating wildlife worldwide
News
28 Oct 2023 | The Hill
An unseen but growing chemical contamination crisis is threatening wildlife across all seven continents, exacerbating a host of environmental threats they’re already facing.
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Per- and Polyfluoroalkyl Substances (PFAS) in PubChem: 7 Million and Growing
Science
23 Oct 2023 | Environ. Sci. Technol.
The Organisation for Economic Co-operation and Development's 2021 revision of the PFAS definition has led to the inclusion of over 7 million PFAS compounds in PubChem.
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Human health risk-based soil generic assessment criteria of representative perfluoroalkyl acids (PFAAs) under the agricultural land use in typical Chinese regions
Science
14 Aug 2023 | Environ Pollut
This study provides a technical reference for deriving soil generic assessment criteria for PFAAs and found that the dominant exposure pathway for PFBA and PFBS in some regions of China was vegetables and attached soil.
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Environmental exposure and ecological risk of perfluorinated substances (PFASs) in the Shaying River Basin, China
Science
19 Jul 2023 | Chemosphere
PFAS exposure via inhalation of particulate matter was found to be dominated by low levels of PFSAs and PFCAs, but inhalation exposure is still important due to its long-term and cumulative nature.
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Per- and polyfluoroalkyl substances (PFAS) measured in seafood from a cross-section of retail stores in the United States
Science
13 Jul 2023 | J Hazard Mater
PFAS levels in several grocery store seafood samples were found to exceed safe levels, and PFBS from food storage bags contaminated the fish, potentially leading to a substantial impact on human exposure.
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Diffusion and partitioning of different PFAS compounds through thermoplastic polyurethane and three different PVC-EIA liners
Science
26 May 2023 | Sci Total Environ
PFAS was found to diffuse through certain membranes used in landfills, potentially leading to groundwater contamination.
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Centurial Persistence of Forever Chemicals at Military Fire Training Sites
Science
15 May 2023 | ES&T
This work highlights the importance of unregulated and overlooked precursors for total PFAS exposure near AFFF releases and their role in sustaining high concentrations of regulated PFAS–up to 2000 times more than regulatory limits even decades after AFFF use ceased.
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Trump appointees interfered to weaken EPA assessment of toxic chemical
Policy
23 Mar 2023
Watchdog finds PFBS toxicity value was altered in 2021 report, as scientists say episode part of ‘larger rot at the agency.'
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PFAS: forever chemicals—persistent, bioaccumulative and mobile. Reviewing the status and the need for their phase out and remediation of contaminated sites
Science
23 Mar 2023 | ESEU
The authors of this review conclude that substituting individual PFAS recognized as hazardous with other possibly equally hazardous PFAS with virtually unknown chronic toxicity should not be a solution.
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ECHA seeks input on proposed PFAS restriction
Policy
22 Mar 2023
The European Chemicals Agency invites interested parties to send in scientific and technical information on the manufacture, placing on the market and use of per- and polyfluoroalkyl substances (PFAS) by 25 September 2023.