Showing 1351-1365 of 1601
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Novel and legacy per- and polyfluoroalkyl substances (PFASs) in a farmland environment: Soil distribution and biomonitoring with plant leaves and locusts
Science
7 Apr 2020 | Environ. Poll.
Lipid and protein levels were found to be good predictors of PFAS in poplar leaves and locusts.
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Organic contaminants sorbed to microplastics affect marine medaka fish early life stages development
Science
7 Apr 2020 | Marin. Poll. Bull.
PFOS appeared to be more embryotoxic when spiked on microplastics than when alone in seawater.
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Toxicokinetics and persistent thyroid hormone disrupting effects of chronic developmental exposure to chlorinated polyfluorinated ether sulfonate in Chinese rare minnow
Science
7 Apr 2020 | Environ. Poll.
Thyroid hormones and gene regulation remained at disturbed levels in adult fish, due to PFAS exposure.
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Bioavailability and bioaccumulation of 6:2 fluorotelomer sulfonate, 6:2 chlorinated polyfluoroalkyl ether sulfonates and perfluorophosphinates in a soil-plant system
Science
7 Apr 2020 | J. Agric. Food Chem.
Novel PFASs with higher hydrophobicity were more easily held in the soil and plant shoots.
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Novel and legacy poly- and perfluoroalkyl substances (PFASs) in indoor dust from urban, industrial, and e-waste dismantling areas: The emergence of PFAS alternatives in China
Science
6 Apr 2020 | Environ. Poll.
6:2 Cl-PFESA, 8:2 Cl-PFESA, and PFOS were found throughout all areas sampled with high composition profiles of short-chain PFAS (C4-C7) indicating an ongoing shift to short-chain alternatives in China.
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Are (fluorinated) ionic liquids relevant environmental contaminants? High-resolution mass spectrometric screening for per- and polyfluoroalkyl substances in environmental water samples led to the detection of a fluorinated ionic liquid
Science
6 Apr 2020 | Analytical and Bio. Chem.
An investigation was conducted into the gap between the amount of fluorine originating from known PFAS and the total adsorbable organically bound fluorine was explored in surface waters.
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Reps. Kildee, Fitzpatrick Push PFAS Priorities for 2021 National Defense Authorization Act
Policy
3 Apr 2020
U.S. Congressman Dan Kildee (D-MI) and Brian Fitzpatrick (R-PA) introduced their priorities for the 2021 National Defense Authorization Act, which include requiring the EPA to create drinking water standards and listing PFOA and PFOS under both the Clean Water Act and the CERCLA Act.
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A focus on Canadian guidelines and guidance for contaminated sites management
Policy
1 Apr 2020
In this report, the Canadian government outlines PFAS-related programs and how they inform the development of additional environmental quality guidelines and advance contaminated site risk management.
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Probing Mechanisms for the Tissue-Specific Distribution and Biotransformation of Perfluoroalkyl Phosphinic Acids in Common Carp (Cyprinus carpio)
Science
1 Apr 2020 | Environ. Sci. & Tech.
Perfluorohexanonate and perfluorooctanoic acids were identified in fish as metabolites after long-term exposure to PFPiAs for the first time.
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Spatiotemporal analysis of perfluoroalkyl substances in White-tailed eagle nestlings from northern Norway - a ten-year study
Science
1 Apr 2020 | Environ. Sci. Technol.
PFOS and PFHxS concentrations decreased over time, and ≥C11 perfluorinated carboxylic acids only seem to level-off during the last four years in eagle populations.
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Supervised machine learning for source allocation of per- and polyfluoroalkyl substances (PFAS) in environmental samples
Science
31 Mar 2020 | Chemosphere
Computer learning was used to determine the original source of PFAS pollution.
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Northeast Conference on the Science of PFAS: Public Health & the Environment
Events
31 Mar 2020
NEWMOA, in collaboration with others, has organized a conference to ensure that action to address PFAS contamination is informed by the most current and reliable science. There is also an open call for conference presenters, posters, and sponsors.
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[Op-ed] Hazardous chemicals and government silence — a dangerous mix
News
26 Mar 2020 | The Hill
Imagine this: More than six million Americans have drinking water that is poisoned by a group of closely related chemicals.
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Dam operation altered profiles of per- and polyfluoroalkyl substances in reservoir
Science
24 Mar 2020 | J of Haz. Mat.
PFAS profiles in the water column changed from PFOA to short-chain species during dam operation.
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Metals and PFAS in stormwater and surface runoff in a semi-arid Canadian city subject to large variations in temperature among seasons
Science
24 Mar 2020 | Environ Sci Pollut Res Int
The mean sum of PFAS in stormwater was 9.0 ng L in the North American prairie towns.