Showing 226-240 of 1104
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Human exposure to F-53B in China and the evaluation of its potential toxicity: An overview
Science
15 Feb 2022 | Environ Int
A review of a novel PFAS demonstrated hepatotoxicity, endocrine disruption, reproductive, and developmental toxicity, and suggested further research given the extreme biopersistence of F-53B.
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Noise-Reduced Quantitative Fluorine NMR Spectroscopy Reveals the Presence of Additional Per- and Polyfluorinated Alkyl Substances in Environmental and Biological Samples When Compared with Routine Mass Spectrometry Methods
Science
15 Feb 2022 | Anal Chem
Novel techniques were applied to increase the sensitivity of fluorine NMR such that more PFAS were found in aqueous samples compared to traditional LC-MS methods, suggesting NMR as a simple and accurate tool to measure total organic fluorine.
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Study finds tributaries play significant role in Great Lakes PFAS loading
News
14 Feb 2022 | University of Wisconsin-Madison
In the first study of its kind, researchers at the University of Wisconsin–Madison have demonstrated that tributary rivers feeding Lake Michigan play an important role in bringing the human-made group of chemicals known as PFAS, to the Great Lakes system.
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New Hampshire town polluted with PFAS has elevated cancer rates
News
14 Feb 2022 | The Intercept
Residents of a New Hampshire town where drinking water was contaminated with the industrial compounds known as PFAS have elevated rates of several cancers compared to the national average and compared to several nearby communities that were not contaminated with the chemicals, according to a study published today.
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Fire Test Performance of Eleven PFAS-Free Class B Firefighting Foams Varying Fuels, Admixture, Water Types and Foam Generation Techniques
Science
14 Feb 2022 | Fire Tech.
PFAS-free firefighting foams were found to meet performance requirements depending on the foam generation technique and the type of fuel or water on which the foams were applied.
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How ‘forever chemicals’ are using marine life to travel the world by sea
News
14 Feb 2022 | The Guardian
PFAS could become the PCBs of the future.
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Bioremediation of perfluorochemicals: current state and the way forward
Science
7 Feb 2022 | Bioprocess Biosyst Eng
This review examines the efficiencies of the different bacterial, plant, and fungal species in PFAS bioremediation under different conditions, their limitations, and their improvement.
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Hepatic Fatty Acid Profiles Associated with Exposure to Emerging and Legacy Halogenated Contaminants in Two Harbor Seal Populations across the North Atlantic
Science
7 Feb 2022 | ES&T
Several flame retardants and PFAS chemicals were significantly associated with changes in liver fatty acid profiles in seals from Maine and Sweden.
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Release of perfluoroalkyl substances from AFFF-impacted concrete in a Firefighting Training Ground (FTG) under repeated rainfall simulations
Science
7 Feb 2022 | J. Hazard. Mater.
High concentrations of 5 PFAS were measured in concrete cores removed from firefighting training grounds, and simulated rainfall released approximately 1% of the total PFAS mass in the concrete surface layer, leading researchers to believe that concrete can be a secondary source of PFAS contamination.
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Per- and polyfluoroalkyl substances in the environment
Science
7 Feb 2022 | Science
This review summarizes the sources, transport, degradation, and toxicological implications of the megatonne of PFAS produced yearly, highlighting the importance of investigating potential PFAS replacements, the importance of lifecycle considerations, and that PFAS remediation efforts are still in their infancy.
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Exposure pathways and bioaccumulation of per- and polyfluoroalkyl substances in freshwater aquatic ecosystems: Key considerations
Science
7 Feb 2022 | Sci Total Environ
PFAS concentration, dissolved organic matter, sediment organic matter, and biotransformation of precursor PFAS tended to significantly impact reported bioaccumulation metrics.
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[Blog] Why is nobody talking about outdoor gear's PFAS problem at Snow Show?
News
4 Feb 2022 | U.S. PIRG
The outdoor industry prides itself on promoting healthy living and active lifestyles; many outdoor brands fail to phase PFAS out of their supply chains and products.
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What products to look out for in your home that might include 'forever chemicals'
News
3 Feb 2022 | The Hill
PFOA and PFOS from consumer products is low in comparison to exposure from contaminated drinking water, the agency does provide a list of some products that may contain PFAS
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A review of PFAS fingerprints in fish from Norwegian freshwater bodies subject to different source inputs
Science
1 Feb 2022 | Environ Sci Process Impacts
Source tracking of PFAS exposure was most successful using fish livers, with fingerprints from AFFF dominated by PFOS and PFSA and fingerprints from paper production dominated by PFCAs and high ∑PFAS and PFOS.
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Drought Exposes ‘Canary in This Coal Mine’ of PFAS in Well Water
News
31 Jan 2022 | Bloomberg Law
Drought is exposing new layers of risk posed by PFAS contamination in drinking water nationwide, a public health hazard expected to cost billions of dollars and take years to solve, state and federal officials say.