Showing 1-15 of 104
-
Leachability of per- and poly-fluoroalkyl substances from contaminated concrete
Science
5 Nov 2024 | Environ Sci Process Impacts
PFAS chemicals, like PFOS and PFHxA, can leach significantly from concrete contaminated from use of aqueous film-forming foams at airports, defense, and port facilities, with leaching behavior influenced by factors like particle size, pH, and individual PFAS properties.
-
Occurrence and potential ecological risks of PFAS in Pampulha Lake, Brazil, a UNESCO world heritage site
Science
10 Jul 2024 | Sci Total Environ
PFAS have been found in high concentrations in Pampulha Lake, Brazil, posing ecological risks and potential health concerns due to bioaccumulation in fish, highlighting the need for more research in urban watersheds of low and middle-income countries.
-
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.
-
Is it raining PFAS in France? An analysis of 52 PFAS at ng/L levels in French rainwaters during Autumn season
Science
27 Oct 2023 | J Environ Qual
This study analyzed rainwater in France for PFAS and detected the presence of PFNA, PFUnA, and PFHxA while also emphasizing the importance of environmental surveillance and improved analysis methods.
-
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.
-
Estimation of the Half-Lives of Recently Detected Per- and Polyfluorinated Alkyl Ethers in an Exposed Community
Science
6 Oct 2023 | Environ Sci Technol
The biological half-lives of fluoroethers were found to be shorter compared to PFOA and PFOS, but longer than PFHxA and PFHpA according to a model combining estimates from exposed populations and literature values.
-
Determination of several PFAS groups in food packaging material from fast-food restaurants in France
Science
14 Aug 2023 | Chemosphere
PFHxA, 6:2 FTS, and 6:2/6:2 diPAP were found in all fast-food packaging samples in France, along with many other PFAS found in certain samples.
-
Exposure characteristics of legacy and novel per- and polyfluoroalkyl substances in blood and association with hypertension among low-exposure population
Science
29 Jul 2023 | J Hazard Mater
Among participants with low levels of PFAS exposure, PFHxA showed a positive association with risk of hypertension, while a novel PFAS, 6:2 Cl-PFESA, showed a negative association.
-
Perfluorinated Compounds (PFCs) in River Waters of Central Italy: Monthly Variation and Ecological Risk Assessment (ERA)
Science
6 Apr 2023 | Arch Environ Contam Toxicol
PFOS concentrations were classified as medium to high risk for the aquatic environment in all river samples, which also frequently contained PFBA, PFPeA, PFHxA, and PFOA, especially in summer months.
-
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.
-
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.
-
EU floats plan that would ban virtually every PFAS currently on the market
News
9 Feb 2023 | Chemistry World
The five countries want to essentially ban the entire class of more than 10,000 chemicals in a single stroke, including their production, use, and sale, and the impact would be significant.
-
Cross-sectional associations of maternal PFAS exposure on SARS-CoV-2 IgG antibody levels during pregnancy
Science
14 Dec 2022 | Environ Res
PFAS, including short-chain emerging PFAS, act as immunosuppressants during pregnancy.
-
Occurrence, partitioning and transport of perfluoroalkyl acids in gas and particles from the southeast coastal and mountainous areas of China
Science
5 Dec 2022 | Environ Sci Pollut Res Int.
The longer the fluorinated carbon chain length of the PFAA, the more the PFAA tended to exist in the particulate phase, and PFAS in China can be widely spread through the atmosphere due to winter monsoon winds.
-
Systemic toxicity induced by topical application of perfluoroheptanoic acid (PFHpA), perfluorohexanoic acid (PFHxA), and perfluoropentanoic acid (PFPeA) in a murine model
Science
23 Nov 2022 | Food Chem Toxicol
Dermal exposure to newer PFAS showed similar effects on the liver and immune system as oral PFAS exposure.