Showing 196-210 of 816
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Fluorine-Specific Detection Using ICP-MS Helps to Identify PFAS Degradation Products in Nontargeted Analysis
Science
19 Apr 2021 | Anal Chem
The feasibility of the detection of PFAS metabolites using a fluorine-specific detection was demonstrated using a model compound and can thus be applied to new experiments and unknown organofluorine-containing samples in the future.
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‘Forever chemicals,’ other pollutants found around the summit of Everest
News
17 Apr 2021 | Washington Post
PFAS likely shed from climbers’ outdoor gear such as parkas and tents, which are often treated with chemicals to weatherproof.
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Lawmakers, environmental activist introduce PFAS Action Act
News
13 Apr 2021 | ABC News
U.S. Reps. Fred Upton (R-MI) and Debbie Dingell (D-MI) introduced legislation that aims to protect people and the environment from chemicals known as PFAS.
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Time Trend of Persistent Organic Pollutants and Metals in Greenlandic Inuit during 1994-2015
Science
13 Apr 2021 | Int J Environ Res Public Health
PFOS, PFHxS, and PFOA decreased across Greenland while PFNA, PFDA, and PFUnDA increased in women.
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In-Vitro and In-Silico Assessment of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Film-Forming Foam (AFFF) Binding to Human Serum Albumin
Science
13 Apr 2021 | Toxics
Carboxylic acid and sulfonic acid-containing PFAS were found to bioaccumulate the most readily in human blood.
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Occurrence and sources of per- and polyfluoroalkyl substances in the ice-melting lakes of Larsemann Hills, East Antarctica
Science
13 Apr 2021 | Sci Total Environ
In the ice-melting lakes, PFOA, PFOS, and Cl-PFESA were detected in ice-melt lakes on the eastern side of Antarctica where there are fewer on-site human activities.
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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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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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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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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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Per- and Polyfluoroalkyl Substance (PFAS) Transport from Groundwater to Streams near a PFAS Manufacturing Facility in North Carolina, USA
Science
7 Apr 2021 | Environ Sci Technol
The mass transfer between groundwater and surface water of PFAS was quantified for contaminated communities.