Showing 751-765 of 1056
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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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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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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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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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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.
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New PFAS chemical contamination discovered in New Jersey
News
4 Jun 2020 | The Intercept
Government scientists suspected that the factory was releasing a dangerous PFAS chemical, and they had good reason to think so.
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New Jersey announces stringent MCLs for PFOA and PFOS
Policy
2 Jun 2020
The New Jersey Department of Environmental Protection today officially published its adoption of stringent, health-based drinking water standards for PFOA and PFOS.
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Multi-year atmospheric concentrations of per- and polyfluoroalkyl substances (PFASs) at a background site in central Europe
Science
2 Jun 2020 | Env. Poll.
Significant increases in air concentration were found for PFHpA, PFTrDA, PFDS, MeFOSA, and EtFOSA from 2012-2014.
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Determination of transformation products of per- and polyfluoroalkyl substances at trace levels in agricultural plants
Science
2 Jun 2020 | J. Chrom A
Plant samples from contaminated fields contained intermediate transformation products with the highest concentrations in the leafy portions of the plant.
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The Effects of Soil Organic Carbon Content on Plant Uptake of Soil PFAAs and its Potential Regulatory Implications
Science
2 Jun 2020 | Environ. Toxicol. Chem.
Modeling shows that the bioconcentration of PFAS in crops surpasses USEPA PFAS reference limits, indicating potential health harm.