Showing 1216-1230 of 1564
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States Clash With Pentagon on PFAS Water Limits, Polluted Sites
News
8 Feb 2021 | Bloomberg Law
Six states with drinking water standards for so-called “forever chemicals” are now wrestling with what those limits mean when water contamination from Department of Defense sites seep into their communities.
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Source, transportation, bioaccumulation, distribution and food risk assessment of perfluorinated alkyl substances in vegetables: A review
Science
3 Feb 2021 | Food Chemistry
A comprehensive review focusing on PFAS pollution from sources to vegetables.
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Target and Nontarget Analysis of Per- and Polyfluoralkyl Substances in Wastewater from Electronics Fabrication Facilities
Science
3 Feb 2021 | Environ Sci Technol .
12 different PFAS and 15 homologous series of nontarget PFAS were detected in the wastewater from an electronics plant.
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A Synthetic Biology Approach Using Engineered Bacteria to Detect Perfluoroalkyl Substance (PFAS) Contamination in Water
Science
3 Feb 2021 | Mil Med
The U.S. Air Force Academy genetically engineered a bacteria that when in contact with PFAS produces a protein that glows red, designating the presence of PFAS.
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Priority perfluoroalkyl substances in surface waters - A snapshot survey from 22 developing countries
Science
2 Feb 2021 | Chemosphere
Baseline PFAS contamination water levels were developed for 22 developing countries worldwide.
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Significance of Perfluoroalkyl Substances (PFAS) in Food Packaging
Science
2 Feb 2021 | Integr Environ Assess Manag
Researchers determined the limit of performance for PFCAs on the surface of recycled paper packaging materials.
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Aquatic toxicity evaluations of PFOS and PFOA for five standard marine endpoints
Science
2 Feb 2021 | Chemosphere
In addition to providing effects data for PFOA and PFOS, this study indicates these species and endpoints are sensitive to PFAS such that their use will be appropriate for deriving toxicity data with other PFAS in marine ecosystems.
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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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Biden administration looks set to target ‘forever chemicals,’ as 3M warns about ‘onerous regulation’
News
26 Jan 2021 | Market Watch
President Joe Biden’s administration looks poised to crack down on a group of “forever chemicals” that have been linked to a range of health problems, a move that could put companies like 3M and DuPont on the hook for billions of dollars in cleanup costs.
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EPA Delivers Results on PFAS Action Plan
Policy
26 Jan 2021
The U.S. EPA announced a suite of actions from across the agency that will continue the significant progress the agency has made to implement the PFAS Action Plan—the most comprehensive cross-agency plan ever to address an emerging chemical of concern.
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Degradation and effect of 6:2 fluorotelomer alcohol in aerobic composting of sludge
Science
26 Jan 2021 | Biodegradation
6:2 FTOH was found to decrease the microbial richness and diversity of sludge compost.
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Integrative Computational Approaches to Inform Relative Bioaccumulation Potential of per- and Polyfluoroalkyl Substances (PFAS) across Species
Science
26 Jan 2021 | Toxicol Sci
Models were used to predict cross-species differences in binding affinity of PFAS which can cause fatty liver disease.
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Occurrence and toxicity of perfluoroalkyl acids along the estuarine and coastal regions under varied environmental factors
Science
26 Jan 2021 | Sci Total Environ
The main variables that appear to intervene in estuarine and coastal regions are mainly the proximity to the source of pollution, salinity, pH, precipitation (rain) as well as types of PFAAs.
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Exposure to perfluorooctanesulfonate (PFOS) but not perflurorooctanoic acid (PFOA) at ppb concentration induces chronic toxicity in Daphnia carinata
Science
26 Jan 2021 | Sci Total Environ
The results of this study have great implications for risk assessment of PFOS and PFOA in aquatic ecosystems, given the potential of PFOS to pose a risk to Daphnia even at lower concentrations (1 μg L).
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Federal Government Human Health PFAS Research Workshop
Science
25 Jan 2021 | NAS
Proceedings of a workshop help by various federal agencies over the federal context for PFAS research, human exposure, experimental toxicology, human health outcomes, and cross-cutting issues in PFAS risk assessment.