Showing 1786-1800 of 1957
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Researchers find high levels of PFAS chemicals in rainwater in United States
News
18 Dec 2019 | The Weather Channel
Most of the samples had PFAS concentrations of less than 1 ng/l, or 1 ppt, but several were about 4 ng/l. The highest total concentration was nearly 5.5 ng/l in a sample from Massachusetts. For drinking water, some states have proposed setting the level at which some type of official action is required at 2 nanograms per liter.
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PFAS and Health: Troublesome, ubiquitous chemicals to be examined at YSPH Symposium
News
12 Dec 2019 | Yale School of Public Health
On December 13, 2019 the Department of Environmental Health Sciences at the Yale School of Public Health will host a symposium on chemicals known as PFAS.
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Hierarchically porous polymer coatings for highly efficient passive daytime radiative cooling
Science
11 Dec 2019 | Science
PFAS were used to develop reflective coatings used to keep buildings cool.
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Topic of Cancer: How PFAS threaten our water
News
10 Dec 2019 | Capital & Main
What’s more, while the persistent and mobile nature of PFAS chemicals means that no neighborhood is safe from contamination, smaller water systems—particularly those serving disadvantaged communities—face an uphill task in tackling the problem due to the higher probability of aging infrastructure and limited resources, as compared to larger utilities.
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Bioaccumulation and human exposure of perfluoroalkyl acids (PFAAs) in vegetables from the largest vegetable production base of China
Science
10 Dec 2019 | Environ Int
PFAS found to bioaccumulate in vegetables leading to increased amounts in preschool-aged children.
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Insights into the Uptake, Translocation and Transformation Mechanisms of Perfluorophosphinates and Perfluorophosphonates in Wheat (Triticum aestivum L.)
Science
10 Dec 2019 | Environ. Sci. Technol.
Exposure to PFPiAs in roots caused increased accumulation of more persistent PFPAs in the stalk and leaves of wheat.
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Possible Fluorinated Alternatives of PFOS and PFOA: Ready to Go?
Science
9 Dec 2019 | Environ Sci Technol.
A scientific opinion piece regarding the analytical techniques, health concerns, and regulatory challenges regarding fluorinated short-chain alternatives as markets move away from long-chain PFAS.
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Temporal Trends in Per- and Polyfluoroalkyl Substances in Bottlenose Dolphins (Tursiops truncatus) of Indian River Lagoon, Florida and Charleston, South Carolina
Science
9 Dec 2019 | Environ Sci Technol.
Regulation and phaseout of specific PFAS linked to the decreasing levels of certain PFAS and rising levels of others in bottlenose dolphins.
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Government studying widely used chemicals linked to health issues
News
5 Dec 2019 | The New York Times
The federal government has started the first in a series of detailed studies of the impact the chemicals have had on human health.The goal is to determine what role the chemicals, known generally as PFAS, play in a long list of health conditions including thyroid, kidney, liver, cardiovascular and autoimmune diseases, among other ailments.
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Ultra-Short-Chain Perfluoroalkyl Acids Including Trifluoromethane Sulfonic Acid in Water Connected to Known and Suspected Point Sources in Sweden
Science
4 Dec 2019 | Environ Sci Technol.
Firefighting training sites, landfills, and hazardous waste management facilities found to release ultra-short-chain PFAS into the environment and waterways.
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High throughput UHPLC MS/MS measurement of Per and Poly Fluorinated Alkyl Substances (PFAS) in human serum
Science
4 Dec 2019 | J Anal Toxicol
A new detection method was developed and used to understand PFAS exposure in Kentucky residents.
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Wastewater sources of per- and polyfluorinated alkyl substances (PFAS) and pharmaceuticals in four Canadian Arctic communities
Science
4 Dec 2019 | Sci. Total Environ.
Wastewater was determined to be a significant source of PFAS in the arctic, potentially polluting nearby water sources.
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A case study of organic micropollutants in a major Swedish water source - Removal efficiency in seven drinking water treatment plants and influence of operational age of granulated active carbon filters
Science
4 Dec 2019 | Sci. Total Environ.
Recharging activated carbon filters by 10% found to increase PFAS removal efficiency in open waterways.
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Poly- and Perfluoroalkyl Substances in Seawater and Plankton from the Northwestern Atlantic Margin
Science
3 Dec 2019 | Environ Sci Technol.
Short-chain PFAS found to bioaccumulate readily in deep-sea microorganisms compared to long-chains.
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The packaging industry takes on PFAS ‘forever chemicals’ in our food supply
News
26 Nov 2019 | Civil Eats
In recent years, a series of studies revealed a large portion of compostable and paper food packaging is contaminated with PFAS. World Centric acted quickly, however, and is now part of a massive, industry-wide effort to remove PFAS products from their catalogs.