Showing 541-555 of 851
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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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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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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.
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Biomonitoring of PFOA, PFOS and PNFNA in human milk from Czech Republic, time trends and estimation of infant’s daily intake
Science
10 Jun 2020 | Env. Res.
PFASs analyzed in human milk samples and compared with intake with provisional Tolerable Weekly Intake levels showed an increased risk for infants.
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Wisconsin leads 22-state coalition on PFAS
News
10 Jun 2020 | Urban Milwaukee
States are urging the agency to regulate more PFAS substances and consider regulating PFAS as a class of chemicals.
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Photochemical transformation of perfluoroalkyl acid precursors in water using engineered nanomaterials
Science
10 Jun 2020 | Water Res.
Nano-additives used in packaging and products were found to degrade PFAS precursors into PFOA and PFOS in association with sunlight.
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Per- and polyfluoroalkyl substances in blood plasma - Results of the German Environmental Survey for children and adolescents 2014-2017 (GerES V)
Science
10 Jun 2020 | Int J Hyg Environ Health
Children's exposure levels of PFOA and PFOS were found to still be significant even after the phase-out of these chemicals in commerce.
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PFAS cleanup backers face unexpected foe: water utilities
News
9 Jun 2020 | Bloomberg Law
After decades of inaction, the federal government has gotten serious about cleaning up PFAS, a class of compounds known as “forever chemicals” that have been linked to health problems and inhabit the bloodstream of nearly every American
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San Francisco Bay region issues risk-based screening levels for PFAS at cleanup sites
News
8 Jun 2020 | JDSupra
The Bay Regional Water Quality Control Board also created a strategy for identifying and prioritizing potential sites for PFAS testing, as well as additional investigation and cleanup. Sites with industrial, manufacturing or firefighting facilities/processes that have a history of using PFAS will be prioritized.
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Does Low Maternal Exposure to Per- and Polyfluoroalkyl Substances Elevate the Risk of Spontaneous Preterm Birth? A Nested Case-Control Study in China
Science
8 Jun 2020 | Environ. Sci. Technol.
Maternal exposure to the determined low levels of PFAS may lead to inflammation and possible developmental effects in fetuses and newborns.