Showing 946-960 of 1831
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Pine needles tell the story of PFAS in North Carolina
News
21 Feb 2022 | Phys.org
Researchers from North Carolina State University used historical and current pine needle samples to trace the presence and concentrations of over 70 different types of PFAS in six N.C. counties from 1961 to the present.
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Spatial distribution and load of per- and polyfluoroalkyl substances (PFAS) in background soils in Sweden
Science
21 Feb 2022 | Chemosphere
Sixteen out of 28 measured PFAS were detected in forest soils across Sweden with concentrations of PFOS explained by population density. The estimated total PFAS sink in soil throughout Sweden was on the order of several tons.
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Utilizing Pine Needles to Temporally and Spatially Profile Per- and Polyfluoroalkyl Substances (PFAS)
Science
21 Feb 2022 | Environ Sci Technol
Non-targeted analysis of archived and new pine needle samples revealed over 70 PFAS, including both legacy PFAAs and their emerging replacements such as chlorinated derivatives, ultrashort chain PFAS, perfluoroalkyl ether acids, and more.
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Risk of Cancer in a Community Exposed to Per- and Poly-Fluoroalkyl Substances
Science
20 Feb 2022 | Environ Health Insights
Merrimack residents experienced a significantly higher risk of at least 4 types of cancer between 2005 and 2014 which may be linked to PFAS-contaminated drinking water.
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PFAS testing for game, wildlife included in governor's budget
Policy
18 Feb 2022
More than 3 million dollars in the supplemental budget is slated to support Maine farms and farmers who are dealing with PFAS contamination in soil, water, livestock, and produce.
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Insights into the effects of salinity on the sorption and desorption of legacy and emerging per-and polyfluoroalkyl substances (PFASs) on marine sediments
Science
16 Feb 2022 | Environ Pollut
The desorption rate of PFAS from marine sediment decreases with increased perfluorocarbon chain length of PFAS and increased sediment salinity.
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New York PFAS Products Bill Has Broad Implications
Policy
15 Feb 2022
A New York PFAS products bill aims to mimic the Maine law and implement a ban on intentionally added PFAS in products manufactured in New York.
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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.