Showing 2506-2520 of 4215
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Per- and polyfluoroalkyl Substances (PFAS) as Contaminants of Emerging Concern in Asia's Freshwater Resources
Science
13 Apr 2021 | Environ Res
The highest PFAS contamination was detected in surface water relative to ground, tap, and drinking water.
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Joint effects of prenatal exposure to per- and poly-fluoroalkyl substances and psychosocial stressors on corticotropin-releasing hormone during pregnancy
Science
13 Apr 2021 | J Expo Sci Environ Epidemiol
PFAS was associated with higher levels of stress hormones which affected joints in pregnant women.
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Toxicological Response of Chironomus dilutus in Single Chemical and Binary Mixture Exposure Experiments with Six Perfluoralkyl Substances
Science
13 Apr 2021 | Environ Toxicol Chem
PFOS was found to be the most toxic PFAS to aquatic life and suggests that PFOS could be more toxic to freshwater insects than previously reported.
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Biological and behavioural responses of European honey bee (Apis mellifera) colonies to perfluorooctane sulfonate (PFOS) exposure
Science
12 Apr 2021 | Integr Environ Assess Manag
PFOS exposure adversely affects honey bee colonies and may transfer to honey.
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EPA Considering Revised Effluent Limitations Guideline Relating to PFAS
Policy
8 Apr 2021
Recently, the U.S. EPA took a preliminary step toward requiring limits on some National Pollutant Discharge Elimination System discharges of PFAS into surface water.
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[Press Release] Calif. bill would ban ‘forever chemicals’ in products for children
News
8 Apr 2021 | EWG
The bill will be heard by the Assembly Appropriations Committee next month.
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Alaska sues PFAS makers as lawmakers seek broader action from regulators
News
8 Apr 2021 | Alaska Public Media
The lawsuit focuses on two compounds — PFOS and PFOA — that are contained in firefighting foams commonly used at airports that are designed to suppress fuel fires.
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[Press Release] EPA releases updated PFBS toxicity assessment after rigorous scientific review
News
8 Apr 2021 | EPA
PFBS has been used as a replacement chemical for PFOS, voluntarily phased out by the primary U.S. manufacturer. PFBS has been identified in environmental media and consumer products, including surface water, wastewater, drinking water, dust, carpeting and carpet cleaners, and floor wax.
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Federal agencies plan to investigate links between PFAS exposure and viral illness
News
8 Apr 2021 | Circle of Blue
Two federal health agencies, National Center for Environmental Health and the Agency for Toxic Substances and Disease Registry, are planning to investigate potential links between exposure to toxic PFAS chemicals and susceptibility to viral illnesses such as Covid-19, pneumonia, and the flu.
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The interplay between environmental exposures and COVID-19 risks in the health of children
Science
7 Apr 2021 | Env. Health
An international group of researchers interested in children’s environmental health was invited to identify knowledge gaps and to develop research questions to close these gaps.
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Considerations for Toxicity Experiments and Risk Assessments with PFAS Mixtures
Science
7 Apr 2021 | IEAM
This perspective article discusses available approaches for mixtures risk assessment with a specific focus on application to PFAS mixtures.
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Occurrence and abundance of poly- and perfluoroalkyl substances (PFASs) on microplastics (MPs) in Pearl River Estuary (PRE) region: Spatial and temporal variations
Science
7 Apr 2021 | Environ Pollut
8:2 diPAP was detected with the highest frequency of 92.5% in all samples.
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Exploring Unknown Per- and Polyfluoroalkyl Substances in the German Environment – the Total Oxidizable Precursor Assay as Helpful Tool in Research and Regulation
Science
7 Apr 2021 | Sci. Total Environ.
Time trend analysis showed decreasing trends for most detected PFAS since 2005 with the results demonstrating that target analysis detects only a minor fraction of the PFAS burdens in environmental samples.
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PFAS accumulation in indigenous and translocated aquatic organisms from Belgium, with translation to human and ecological health risk
Science
7 Apr 2021 | Environ. Sci. Eur.
In mussels, PFAS profiles were dominated by PFOA and showed a higher relative contribution of short-chained PFAS, while PFAS profiles in fish were dominated by PFOS.
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Human exposure pathways to poly- and perfluoroalkyl substances (PFAS) from indoor media: A systematic review protocol
Science
7 Apr 2021 | Environ. Int
An adapted protocol was developed to utilize existing systematic review tools for exposure science questions concerning PFAS.