Showing 586-600 of 820
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The concentration of several perfluoroalkyl acids in serum appears to be reduced by dietary fiber
Science
13 Jan 2020 | Environ Int
Dietary fiber intake was associated with an increase in the gastrointestinal excretion of PFOA, PFOS, and PFNA.
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Non-targeted metabolomics of multiple human cells revealing differential toxic effects of perfluorooctanoic acid
Science
12 Jan 2020 | J Hazard Mater
PFOA toxicity was found to be related to specific exposure pathways and metabolic profiles in human cells.
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What to do about pollution from “forever chemicals”?
News
9 Jan 2020 | NC Policy Watch
The NC Department of Environmental Quality is proposing a maximum concentration of 70 ppt for PFOS and for PFOA in groundwater. This is the same level as recommended by the EPA.
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How to weigh in on Michigan’s proposed limits on PFAS in drinking water
News
8 Jan 2020 | Bridge Magazine
Through month’s end, the state is soliciting input on the proposed rules, including three community meetings, before likely rolling them out in late spring.
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[Blog] California holds technical PFAS seminar on state of science and possible future drinking water regulations
News
7 Jan 2020 | Squire Patton Boggs
Many participants grappled with the clear tension between a general desire to develop meaningful regulations and the need to do so in an informed and deliberate manner.
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Perfluorinated substances in the Flemish population (Belgium): Levels and determinants of variability in exposure
Science
7 Jan 2020 | Chemosphere
Models predict that eating locally grown food and the use of cosmetics may lead to higher exposure of PFAS in Flemish populations.
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Concentrations of perfluoroalkyl substances in human milk from Ireland: Implications for adult and nursing infant exposure
Science
30 Dec 2019 | Chemosphere
PFOA, PFOS, PFNA, and PFHxS were detected in Irish human milk with modeled PFOA intake exceeding health guidelines for some adults.
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Microbial responses to perfluoroalkyl substances and perfluorooctanesulfonate (PFOS) desulfurization in the Antarctic marine environment
Science
30 Dec 2019 | Water Research
Microbes found to remove the sulfur atom from PFOS in Antarctic marine ecosystems.
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[Conference Abstract] Identification of per- and polyfluorinated substances in food contact materials by mass spectrometric profiling
Science
30 Dec 2019 | DTU Orbit
A screening study of food contact materials was found to contain various PFAS, including PFBA, PFPeA, PFHxA, PFHpA, PFDA, and PFOA.
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Legacy per- and polyfluoroalkyl substances (PFASs) and alternatives (short-chain analogues, F-53B, GenX and FC-98) in residential soils of China: Present implications of replacing legacy PFASs
Science
30 Dec 2019 | Environ. Int.
Short-chain PFAS and F-53B were found in higher concentrations than legacy long-chains in soils across China.
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U.S. EPA: Interim Recommendations for Addressing Groundwater Contaminated with PFOA and PFOS
Policy
26 Dec 2019
The U.S. EPA released its interim recommendations for cleanup guidance for CERCLA, RCRA, and other federal cleanup programs.
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Pollution Characteristics and Exposure Risk Assessment of Perfluoroalkyl Substances in Road Dust, Chengdu
Science
26 Dec 2019
PFAS was found in dust collected from local Chinese roadways putting children at risk of increased exposure.
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Longitudinal trends in perfluoroalkyl and polyfluoroalkyl substances among multiethnic midlife women from 1999 to 2011: The Study of Women′s Health Across the Nation
Science
26 Dec 2019 | Environ Int.
PFNA serum concentrations increased, and detection rates of PFDeA and PFUA doubled in women over a ten year period.
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Maternal serum levels of perfluoroalkyl substances in early pregnancy and offspring birth weight
Science
26 Dec 2019 | Pediatr Res.
Associations were found between prenatal exposure for five different PFASs and birth weight, with more pronounced associations in girls than in boys.
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Quantitative bias analysis of the association between subclinical thyroid disease and two perfluoroalkyl substances in a single study
Science
25 Dec 2019 | Environ. Res.
A physiologically based pharmacokinetic model was used to quantify bias in a reported PFAS-thyroid association.