Showing 886-900 of 1108
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US, Japan defense officials discuss how to address chemical contamination near American bases
Policy
17 Jan 2020
During a recent meeting the officials agreed that the two governments should work together to create a task force for handling toxic chemicals.
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Communities Petition EPA to Regulate Hazardous PFAS Chemicals
Policy
16 Jan 2020
The Green Science Policy Institute is petitioning the EPA to list hundreds of PFAS (per- and polyfluorinated chemicals) as hazardous wastes under the Resource Conservation and Recovery Act (RCRA).
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Association between serum concentrations of perfluoroalkyl substances (PFAS) and expression of serum microRNAs in a cohort highly exposed to PFAS from drinking water
Science
15 Jan 2020 | Environ. Intern.
Epigenetic mechanisms were proposed as a mode of action of PFAS toxicity in drinking water.
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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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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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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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Are perfluorooctane sulfonate alternatives safer? New insights from a birth cohort study
Science
26 Dec 2019 | Environ Int.
Maternal serum 6:2 Cl-PFESA and 8:2 Cl-PFESA concentrations were associated with adverse birth outcomes in humans.