Showing 1111-1125 of 3347
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An LC-MS/MS method for the quantitative determination of 57 per- and polyfluoroalkyl substances at ng/kg levels in different food matrices
Science
6 Jul 2023 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
An analytical method was optimized for quantifying the amount of PFAS in milk powder, milk-based infant formula, meat-based baby food puree, fish and fish oil, fresh egg, and soluble coffee, with limits of quantification low enough to comply with EU regulation.
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The Total Oxidizable Precursor (TOP) Assay as a Forensic Tool for Per-and Polyfluoroalkyl Substances (PFAS) Source Apportionment
Science
5 Jul 2023 | ACS ES&T Water
Researchers created a model for allocating the sources of PFAS contamination using a more comprehensive detection method.
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Proposed rule on PFAS ‘forever chemicals’ could cost companies $1 billion, but health experts say it still falls short
News
5 Jul 2023 | CBS News
A proposed federal rule calls for forcing companies to disclose whether their products contain toxic ‘forever’ chemicals, the government’s first attempt at cataloging the pervasiveness of PFAS across the United States.
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[Video] Solvay, the invisible pollution
News
3 Jul 2023
With the help of scientists and citizens, Belgian journalists will reveal an unprecedented study of this contamination, still denied by the Solvay.
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Research Progress on Neurodevelopmental Toxicity in Offspring after Indirect Exposure to PFASs in Early Life
Science
30 Jun 2023 | MDPI
According to available scientific literature, early life exposure to PFAS may result in neurodevelopmental toxicity through oxidative stress and the development of abnormal nerve cells.
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DuPont seeks US Supreme Court review after $40 million PFAS cancer verdict
Policy
30 Jun 2023
DuPont de Nemours Inc. on Friday asked the U.S. Supreme Court to review whether a lower court inappropriately hamstrung its defense during trial over claims that its chemicals caused cancer.
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New report finds most US kale samples contain ‘disturbing’ levels of ‘forever chemicals’
News
30 Jun 2023 | The Guardian
PFAS was found in seven of eight samples bought at US stores, with organic kale containing higher levels of the toxic compounds.
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[Video] The PFAS Cover-up
News
29 Jun 2023 | Zembla
In the ‘PFAS Cover-up’ Zembla uncovers what PFAS-producers Dupont and 3M knew of the dangers of their chemicals.
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Solvay reaches nearly $393 million PFAS settlement with New Jersey
News
28 Jun 2023 | Reuters
The U.S. branch of Belgian chemicals company Solvay has struck a nearly $393-million deal with the New Jersey Department of Environmental Protection to settle some claims linked to drinking water pollution caused by one of its plants,
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Prenatal exposure to per- and polyfluoroalkyl substances and infant sleep disturbance: A prospective cohort study
Science
28 Jun 2023 | Environ Int
Exposure to several PFAS was significantly associated with an increased risk of sleep disturbance in infants, including nighttime awakenings, snoring, and longer nocturnal wakefulness.
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Here’s who is eligible for money from 3M PFAS contamination settlement
News
27 Jun 2023 | The Seattle Times
Hundreds of Washington state drinking-water utilities could be eligible for a piece of more than $10 billion as part of a tentative settlement with chemical and manufacturing giant 3M for its role in “forever chemicals” contaminating drinking water across the nation.
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Factors affecting serum PFAS concentrations among US females with surgically and naturally induced menopause: data from NHANES 2003-2018
Science
27 Jun 2023 | Environ Sci Pollut Res Int
Supplementary hormone use, and specifically estrogen hormones, are associated with higher serum PFAS in postmenopausal women.
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Per-and Polyfluoroalkyl Substances (PFAS) in United States Tapwater: Comparison of Underserved Private-Well and Public-Supply Exposures and Associated Health Implications
Science
26 Jun 2023 | Environ. Int.
Models based on drinking water testing suggest that at least one PFAS is present in 45% of US drinking water. The authors recommend that monitoring should be improved by including more rural and private wells and by expanding target and non-target analysis methods.
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Safer and effective alternatives to perfluoroalkyl-based surfactants in etching solutions for the semiconductor industry
Science
26 Jun 2023 | J. Clean. Prod.
100 semiconductor manufacturers tested or adopted PFAS-free etching surfactants that showed superior wetting characteristics and predicted lower health harm compared to PFAS.
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Flushing Home Plumbing Pipes Contaminated with Aqueous Film-Forming Foam Containing Per- and Polyfluoroalkyl Substances
Science
24 Jun 2023 | J Environ Eng
Drinking water systems can be contaminated with AFFF through backflushing, and while flushing was found to reduce PFAS water concentrations 99.5-99.99%, PFAS were found to increase after stagnation likely due to PFAS adhered on water pipes.