Showing 511-525 of 846
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Environmental levels and human body burdens of per- and poly-fluoroalkyl substances in Africa: A critical review
Science
25 Jun 2020 | Sci. Total Environ.
This paper synthesises literature about the status of the pollutants and their precursors, identifies knowledge gaps and discusses future perspectives on the study of PFASs in Africa.
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EPA finalizes PFOA imports rule
News
24 Jun 2020 | Politico
The rule, issued under the Toxic Substances Control Act, is largely aimed at closing loopholes rather than enacting major new changes.
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Per- and Polyfluoroalkyl Substances in Early Pregnancy and Risk for Preeclampsia: A Case-Control Study in Southern Sweden
Science
24 Jun 2020 | Toxics
Low exposure levels of PFAS were associated with preeclampsia.
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EPA issues final rule giving it authority over manufacturing, sale of products containing PFAS
News
22 Jun 2020 | Construction & Demolition Recycling
This action means that the EPA is prohibiting companies from manufacturing, processing or importing products containing certain long-chain PFAS without prior EPA review and approval.
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Bioaccumulation of perfluoroalkyl substances in greenhouse vegetables with long-term groundwater irrigation near fluorochemical plants in Fuxin, China
Science
17 Jun 2020 | Environ. Res.
The bioaccumulation efficiencies for PFAS contaminants from soil to vegetables were negatively associated with the carbon chain length in PFAS.
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Characterisation of human exposure pathways to perfluorinated compounds — Comparing exposure estimates with biomarkers of exposure
Science
16 Jun 2020 | Environ. Intern.
Significant positive associations between concentrations of PFAS in house dust and the corresponding serum concentrations underline the importance of the indoor environment as an exposure pathway for PFAS.
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Spatiotemporal variations, sources and health risk assessment of perfluoroalkyl substances in a temperate bay adjacent to metropolis, North China
Science
16 Jun 2020 | Env. Poll.
Terrigenous input, tide, and rainfall affected the spatiotemporal variation of PFAS levels.
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Cholesterol-like Condensing Effect of Perfluoroalkyl Substances on a Phospholipid Bilayer
Science
16 Jun 2020 | J Phys Chem B
PFAS found to penetrate lipid bilayers and act like cholesterol.
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PFAS (per- and polyfluoroalkyl substances) and asthma in young children: NHANES 2013-2014
Science
16 Jun 2020 | Int J Hyg Environ Health
Asthma was associated with PFAS serum concentrations in American children.
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PFAS maker 3M pays utility’s legal fees in state regulatory fight
News
12 Jun 2020 | Bloomberg News
Corporate giant and PFAS maker 3M Co. is underwriting a legal fight by a New Hampshire water utility to have tough new regulatory rules thrown out, an unusual partnership that has alarmed local environmental activists.
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Levels of Perfluoroalkyl Acids (PFAAs) in Human Serum, Hair and Nails in Guangdong Province, China: Implications for Exploring the Ideal Bio-Indicator
Science
11 Jun 2020 | Arch. Environ. Contam. Toxicol.
Significant positive correlations were observed between nail and serum for PFOS, PFOA, and PFHxS, suggesting that human nails are a promising bio-indicator for PFAS risk assessment.
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Strategies for grouping per- and polyfluoroalkyl substances (PFAS) to protect human and environmental health
Science
11 Jun 2020 | Environ Sci Process Impacts
This assessment provides the necessary context for grouping strategies such that they can be adopted as they are, or built on further, to protect human and environmental health from potential PFAS-related effects.
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Serum concentrations of perfluoroalkyl substances and their association with osteoporosis in a population in Jeddah, Saudi Arabia
Science
11 Jun 2020 | Environ. Res.
Exposure to PFOA, PFOS, PFNA, PFHxS, and PFUnDA was associated with osteoporosis in a sample of the adult Saudi population.
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New PFAS chemical contamination discovered in New Jersey
Policy
10 Jun 2020
Government scientists suspected that the factory was releasing a dangerous PFAS chemical, and they had good reason to think so.
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In Vivo Generation of PFOA, PFOS, and Other Compounds From Cationic and Zwitterionic Per- And Polyfluoroalkyl Substances in a Terrestrial Invertebrate (Lumbricus terrestris)
Science
10 Jun 2020 | ES&T
Earthworms were found to only partially breakdown PFAS indicating that not all fluorinated compounds can be broken down by enzymes.