Showing 46-60 of 104
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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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Human exposure pathways to poly- and perfluoroalkyl substances (PFAS) from indoor media: A systematic review protocol
Science
7 Apr 2021 | Environ. Int
An adapted protocol was developed to utilize existing systematic review tools for exposure science questions concerning PFAS.
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Mechanisms for tissue-specific accumulation and phase I/II transformation of 6:2 fluorotelomer phosphate diester in earthworm (M. guillelmi)
Science
9 Mar 2021 | Environ Int
A new pathway of 6:2 fluorotelomer degradation was found in earthworms.
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Response to “Comment on Scientific Basis for Managing PFAS as a Chemical Class
Science
1 Feb 2021 | Environ. Sci. Technol
Here we are responding to the comment by Singh and Papanastasiou who disagree with a class-based approach to PFAS and build their argument around hydrochlorofluorocarbons.
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Parallel study on removal efficiency of pharmaceuticals and PFASs in advanced water treatment processes: Ozonation, GAC adsorption, and RO processes
Science
29 Dec 2020 | Env. Eng. Res.
Chemically persistent PFASs were hardly removed by the ozonation process but were effectively removed by physical treatments such as GAC adsorption and RO membrane processes.
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Deposition of PFAS 'forever chemicals' on Mt. Everest.
Science
28 Dec 2020 | Sci Total Environ
PFOS, PFOA, and PFHxA were found in Mt. Everest snow and the below-glacier watershed.
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PFAS and Dissolved Organic Carbon Enrichment in Surface Water Foams on a Northern U.S. Freshwater Lake
Science
17 Nov 2020 | Environ Sci Technol
Estimates indicate that foam ingestion is a potentially important route of exposure for children and adults when they are in surface waters where foam is present.
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The Biden plan to secure environmental justice
Policy
10 Nov 2020
Biden will tackle PFAS pollution by designating PFAS as a hazardous substance, setting enforceable limits for PFAS in the Safe Drinking Water Act, prioritizing substitutes through procurement, and accelerating toxicity studies and research on PFAS.
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Ecology seeking comments on action plan to address PFAS contaminants
Policy
24 Oct 2020
The Washington state Department of Ecology is seeking public comment on its plan to address a class of highly persistent chemicals that don’t break down in the environment.
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The Minnesota Department of Health has started a review of PFHxA
Policy
14 Oct 2020
Interested parties can submit and discuss PFHxA toxicity studies that are relevant to human health.
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Per- and Polyfluoroalkyl Substances (PFAS) in Surface Water Near US Air Force Bases: Prioritizing Individual Chemicals and Mixtures for Toxicity Testing and Risk Assessment
Science
13 Oct 2020 | Environ Toxicol Chem
Data science was applied to characterize and prioritize PFAS and PFAS mixtures from a large dataset of PFAS measurements in surface waters associated with U.S. Air Force Installations with a history of aqueous film-forming foams use.
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A Critical Review of A Recommended Analytical and Classification Approach for Organic Fluorinated Compounds with an Emphasis on Per- and Polyfluoroalkyl Substances (PFAS).
Science
6 Oct 2020
A review of the current methods to both detects the presence of fluorine and specific PFAS to better help regulators identify public health or environmental hazards.
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Massachusetts finalizes drinking water standard for PFAS
News
28 Sep 2020 | The National Law Review
Massachusetts is establishing a drinking water limit of 20 ppt for six PFAS, combined.
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Per- and polyfluoroalkyl substances (PFASs) in contaminated coastal marine waters of the Saudi Arabian Red Sea: a baseline study
Science
15 Sep 2020 | Environ Sci Pollut Res Int
PFHxA, PFHxS, and 6:2 FTS were the most prevalent PFAS in the Red Sea.
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Modelling scenarios of environmental recovery after implementation of controls on emissions of persistent organic pollutants
Science
18 Aug 2020 | Environ Sci Process Impacts
A generic modeling tool was developed to assess the potential remediation requirements for PFOS and other persistent chemicals.