Showing 541-555 of 1137
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Perfluorooctane sulfonate decreases the performance of a sequencing batch reactor system and changes the sludge microbial community
Science
27 Apr 2021 | Chemosphere
Sequencing batch reactor wastewater treatment systems were found not to be suitable for PFOS removal, which should be addressed during pretreatment.
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Perfluoroalkyl substances (PFASs) in the Ugandan waters of Lake Victoria: Spatial distribution, catchment release and public exposure risk via municipal water consumption
Science
27 Apr 2021 | Sci Total Environ
PFAS were likely recycled from the industrially contaminated water and into municipal drinking water.
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'Forever chemicals’ levels in Frisco drinking water would be illegal in three other states, residents ‘shocked’
News
22 Apr 2021 | CBS4
Testing found Frisco's drinking water had a level of 11 ppt of PFOS and 6.2 ppt of PFOA, which would be considered too high in Vermont, Massachusetts, and New York and trigger further testing requirements in Michigan.
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[Blog] The big reveal: Hundreds of health studies on next gen PFAS
News
20 Apr 2021 | NDRC
Contrary to the notion that ‘there’s very little research on replacement PFAS’, the PFAS-Tox Database identified 742 studies on 29 select PFAS that have been measured in the environment or in people.
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Lipid responses to environmental perfluoroalkyl substance exposure in a Taiwanese Child cohort
Science
20 Apr 2021 | Environ Pollut
Different lipid patterns were discovered in children exposed to different levels of specific PFASs, such as PFTrDA, PFOS, and PFDA.
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Perfluorooctanesulfonic acid (PFOS) thwarts the beneficial effects of calorie restriction and Metformin
Science
20 Apr 2021 | Toxicol Sci
PFOS exposure inhibited the beneficial effects of diabetes treatments.
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Perfluorooctane sulfonate alternatives and metabolic syndrome in adults: New evidence from the Isomers of C8 Health Project in China
Science
20 Apr 2021 | Environ Pollut
Exposure to Cl-PFESAs was associated with a cluster of conditions that occur together, increasing the risk of heart disease, stroke, and type 2 diabetes.
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Long-term leaching of PFAS from contaminated agricultural soils in Germany
Science
19 Apr 2021 | J. Contam. Hydrol.
Analysis of field data over a time period of 12 years revealed no or slowly decreasing trends as well as seasonal fluctuations, likely due to the ongoing transformation of precursors and a seasonal influence on production rates of mobile PFAS.
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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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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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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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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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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.