Showing 1216-1230 of 1659
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New PFAS health risk levels cement gap between US federal agencies
Policy
18 May 2021
A division of the US Department of Health and Human Services has finalized health risk levels for four PFAS.
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Environmental Source Tracking of Per- and Polyfluoroalkyl Substances within a Forensic Context: Current and Future Techniques
Science
18 May 2021 | Environ Sci Technol .
In this perspective, we identify the current tools available and principal developments necessary to enable greater confidence in environmental source tracking to identify and apportion PFAS sources.
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Distribution, behaviour, bioavailability and remediation of poly- and per-fluoroalkyl substances (PFAS) in solid biowastes and biowaste-treated soil
Science
18 May 2021 | Environ Int
In this review, the distribution, bioavailability, and remediation of PFAS in soil receiving solid biowastes, which include biosolids, composts, and manure, are presented.
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PFAS Legislation In Vermont Some of Most Aggressive In U.S.
Policy
11 May 2021
On May 5, 2021, Vermont entered the final stages of enacting one of the most aggressive pieces of legislation related to PFAS in the country.
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PFAS and their substitutes in groundwater: Occurrence, transformation and remediation
Science
11 May 2021 | J Hazard Mater
GenX, F-53B, and OBS in groundwater treatment by UV/sulfite system and electrochemical oxidation proved effective.
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Release of soil colloids during flow interruption increases the pore-water PFAS concentration in saturated soil
Science
11 May 2021 | Env Poll
Removal of colloids from water samples can underestimate PFAS concentration.
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Occurrence, profiles, and ecotoxicity of poly- and perfluoroalkyl substances and their alternatives in global apex predators: A critical review
Science
11 May 2021 | J of Env Sci
PFOS was the dominant PFAS found in the top predators, followed by PFUnDA, and the proportions of odd C-chain length PFCAs were higher than adjacent even C-chain length PFCAs.
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Perfluoroalkyl substances in drinking water sources along the Yangtze River in Jiangsu Province, China: Human health and ecological risk assessment
Science
11 May 2021 | Ecotoxicol Environ Saf
PFOS, PFOA, and PFBS induced considerable risk on human health and aquatic species.
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Toxic chemicals found in at-risk sea lions
News
8 May 2021 | Yahoo News
Cancer-causing firefighting chemicals have been found in endangered Australian sea lion and fur seal pups, sparking fears the contaminants could decimate populations further.
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‘Canary in a coal mine’: Scientists test alligators for PFAS chemical compounds
News
6 May 2021 | The Fayetteville Observer
Alligators in the lower Cape Fear River had changes in their immune system that could indicate the development of autoimmune-like diseases in response to exposure to high-levels of the contaminants.
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Per and polyfluoroalkyl substances (PFAS) at high concentrations in neonatal Australian pinnipeds
Science
5 May 2021 | Sci. Tot. Env.
The geographical foraging range is the suspected factor for interspecies differences in marine mammals.
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Microwave regeneration of granular activated carbon saturated with PFAS
Science
4 May 2021 | Water Res
Multiple cycles of microwave treatments were found to successfully regenerate activated carbon saturated with PFOA and PFOS.
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Occurrence of per- and polyfluoroalkyl substances (PFASs) in wastewater of major cities across China in 2014 and 2016
Science
4 May 2021 | Chemosphere
Population density and per capita gross domestic product have positive correlations with the concentration of PFBA, PFOA, PFHxA, and total-PFAS in wastewater.
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Immunotoxicity of Per-and Polyfluoroalkyl Substances: Insights into Short-Chain PFAS Exposure
Science
3 May 2021 | Toxics
Understudied PFAS have toxicological potential but require additional investigation across endpoints and species, including humans, to understand health effects via drinking water exposure.
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PFAS paper mill settlement reflects growing trend
News
28 Apr 2021 | National Law Review
Just a few days ago, an $11.9 million settlement was announced in a Michigan lawsuit in which a class of approximately 3,000 plaintiffs alleged that a PFAS manufacturer and a PFAS-using paper mill contaminated drinking water supplies, thereby polluting the environment and placing nearby citizens at increased risk of adverse health effects.