Showing 1336-1350 of 1559
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Occurrence and Distribution of Per- and Polyfluoroalkyl Substances in Tianjin, China: The Contribution of Emerging and Unknown Analogues
Science
10 Nov 2020 | Environ Sci Technol .
Field-derived sediment-water distribution coefficients of emerging PFAS are provided for the first time, confirming that cationic and zwitterionic PFASs tend to be strongly associated with sediments.
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Exposure to perfluorobutane sulfonate and perfluorooctanesulfonic acid disrupts the production of angiogenesis factors and stress responses in human placental syncytiotrophoblasts
Science
10 Nov 2020 | Reprod Toxicol
Exposure to PFOS or PFBS impacts several key pathways associated with preeclampsia.
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Per- and Polyfluoroalkyl Substances in Dust Collected from Residential Homes and Fire Stations in North America
Science
10 Nov 2020 | Environ Sci Technol
PFOS, PFOA, PFHxS, PFNA, and 6:2 diPAP were significantly higher in dust from fire stations than from homes, and 8:2 FTOH was significantly higher in homes than in fire stations.
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Associations between six common per- and polyfluoroalkyl substances and estrogens in neonates of China.
Science
10 Nov 2020 | J Hazard Mater
This study provided epidemiological data on the associations between common PFAS exposures resulting in hormone disruption in newborns.
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Trends and Patterns of Perfluoroalkyl Substances in Blood Plasma Samples of Bald Eagle Nestlings in Wisconsin and Minnesota, USA
Science
3 Nov 2020 | Environ. Toxicol. Chem.
PFAS concentrations in nestlings were found to depend on proximity to industrial areas and age.
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From Waste Collection Vehicles to Landfills: Indication of Per- and Polyfluoroalkyl Substance (PFAS) Transformation
Science
3 Nov 2020 | ES&T L
Leachate from waste collection vehicles was tested and found to contain PFAS precursors suggesting precursor transformation to PFAAs during the course of landfill disposal.
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Deterministic risk assessment of firefighting water additives to aquatic organisms
Science
3 Nov 2020 | Ecotoxicology
This study investigated the toxicity of six firefighting PFAS additives: Eco-Gel™, Thermo-Gel™, FireAde™, Fire-Brake™, Novacool Foam™, and F-500™ to aquatic biota.
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Microbial Cleavage of C-F Bonds in Two C Per- and Polyfluorinated Compounds via Reductive Defluorination
Science
3 Nov 2020 | Environ Sci Technol
Microbes were found to be able to successfully degrade PFAS under common anaerobic conditions.
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Per- and Polyfluoroalkyl Substance and Cardio Metabolic Markers in Firefighters
Science
3 Nov 2020 | J Occup Environ Med
Firefighters were found to have elevated PFHxS and were not associated with cardiometabolic risk.
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Toxic synthetic 'forever chemicals' are in our water and on our plates
News
2 Nov 2020 | PBS
It was the start of the 2016 growing season when the farmers were told their water was contaminated.
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Determination and assessment of human dietary intake of per and polyfluoroalkyl substances in retail dairy milk and infant formula from South Africa
Science
28 Oct 2020 | Sci Total Environ
The concentration of fifteen PFAS was measured in retail dairy milk and infant formulas showing potential long-term exposure to toddlers.
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Dietary exposure and accumulation of per- and polyfluoroalkyl substances alters growth and reduces body condition of post-metamorphic salamanders
Science
28 Oct 2020 | Sci Total Environ
Dietary exposure and accumulation of PFAS can impact fitness-related traits in amphibians and contribute to trophic transfer in terrestrial food webs.
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Temporal Trends of Persistent Organic Pollutants across Africa after a Decade of MONET Passive Air Sampling
Science
27 Oct 2020 | Environ Sci Technol
Modeled airflow back-trajectories suggest that the elevated concentrations at some sites are primarily due to sustained local emissions, while the low concentrations measured at Mt. Kenya represent the continental background level and are primarily influenced by long-range transport.
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National Priorities: Evaluation of Pollutants in Biosolids Request for Applications and Informational Webinar
Events
27 Oct 2020
EPA is announcing a new funding opportunity to identify, characterize, and manage risks of known and emerging chemical pollutants found in biosolids.
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Polyfluoroalkyl chemicals and the risk of kidney stones in US adults: A population-based study
Science
27 Oct 2020 | Ecotoxicol Environ Saf
PFCs and PFHS were associated with an increased risk of kidney stones in a self-reported study.