Showing 1576-1590 of 1831
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Air Force has no plans to speed cleanup at Wurtsmith base
News
17 Apr 2020 | MLive
Hopes that a major cash infusion would accelerate groundwater cleanup at the former Wurtsmith Air Force Base were dashed when military engineers reported they plan to spend several more years investigating pollution that’s already been under study for a decade.
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Your discarded carpet is poisoning the Earth with PFAS
News
16 Apr 2020 | NC Policy Watch
New research shows very high levels of PFAS in construction and demolition landfill leachate (15,530 ppt), jeopardizing groundwater.
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ITRC releases PFAS technical and regulatory guidance document
News
15 Apr 2020 | Interstate Technology & Regulatory Council
The Interstate Technology & Regulatory Council published a guidance document that provides an in-depth analysis of the complex world of PFAS.
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Bioaccumulation of Novel Per- and Polyfluoroalkyl Substances (PFASs) in Mice Dosed with an Aqueous Film-Forming Foam (AFFF)
Science
14 Apr 2020 | Environ. Sci. Technol.
Several sulfonamide precursors were found to contribute to AFFF-associated bioaccumulation.
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Evaluation of residues in hen eggs after exposure of laying hens to water containing per‐ and poly‐fluoroalkyl substances
Science
13 Apr 2020 | Environ. Tox. & Chem.
There was a clear correlation between the PFAS concentrations in the drinking water of hens and those detected in the egg, which could be useful in estimating PFAS concentrations in the egg by measuring water concentrations.
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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.