Showing 1366-1380 of 1718
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Prenatal exposure to per- and polyfluoroalkyl substances in association with autism spectrum disorder in the MARBLES study
Science
5 Jan 2021 | Environ Int
From this high-risk cohort, we observed an increased risk of autism spectrum disorder in children exposed to PFOA and PFNA.
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Development of Per and Polyfluoroalkyl Substances (PFAS) Ecological Risk Based Screening Levels (RBSLs)
Science
5 Jan 2021 | Environ Toxicol Chem
PFNA, PFOS, PFOA, PFHxA, PFBS, and PFBA were evaluated and a risk-based screening level was developed for each.
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Per- and polyfluoroalkyl substances (PFASs) are positively associated with thyroid hormones in an arctic seabird
Science
5 Jan 2021 | Environ Toxicol Chem
PFAS exposure was thought to lead to biological changes in male and female avian species.
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COVID-19 vaccine could be less effective in people with high PFAS levels in blood
News
4 Jan 2021 | Michigan Advance
The COVID-19 vaccine could be less effective in people with high levels of perfluorinated compounds — PFAS — in their blood, several scientists said.
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State to begin monitoring ‘forever chemicals’ in public water supplies
Policy
4 Jan 2021
The Minnesota Department of Health will sample public water systems for PFAS starting in early 2021.
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Much Still Unknown about PFAS Destruction and Disposal
Policy
1 Jan 2021
This guidance, published Dec. 18, 2020, highlights how much is still unknown about how to effectively remove these materials from the environment.
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Revisiting pesticide pollution: The case of fluorinated pesticides
Science
1 Jan 2021 | Environ. Pollut.
This review discusses how an increasing number of pesticides are fluorinated and calls for more research to address the safety of these chemicals.
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Spatial Trends of Anionic, Zwitterionic, and Cationic PFASs at an AFFF-Impacted Site
Science
29 Dec 2020 | Environ Sci Technol
Precursor compounds may create long-term sources of perfluoroalkyl acids, although many pathways remain unknown; precursor analysis is critical for PFAS fate and transport understanding.
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Understanding PFAAs exposure in a generalist seabird species breeding in the vicinity of a fluorochemical plant: influence of maternal transfer and diet
Science
29 Dec 2020 | Env. Poll.
PFOS, PFOA, PFDA and PFNA were detected in a seabird community with PFOS concentrations measured in some chicks surpassing the toxicity reference value calculated for top avian predators.
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Evaluation of extraction workflows for quantitative analysis of per- and polyfluoroalkyl substances: A case study using soil adjacent to a landfill
Science
29 Dec 2020 | Sci Total Environ .
Different PFAS extraction methods were compared and quantified for accuracy.
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Prenatal Exposure to Per- and Polyfluoroalkyl Substances, Umbilical Cord Blood DNA Methylation, and Cardio-Metabolic Indicators in Newborns: The Healthy Start Study.
Science
29 Dec 2020 | Environ Health Perspect
DNA methylation in umbilical cord blood was associated with maternal serum PFAS concentrations during pregnancy, suggesting potential associations with offspring growth, metabolism, and immune function.
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Serum perfluoroalkyl substances in residents following long-term drinking water contamination from firefighting foam in Ronneby, Sweden.
Science
29 Dec 2020 | Environ Int
Serum PFHxS and PFOS levels were a hundredfold higher than the general population.
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Deposition of PFAS 'forever chemicals' on Mt. Everest.
Science
28 Dec 2020 | Sci Total Environ
PFOS, PFOA, and PFHxA were found in Mt. Everest snow and the below-glacier watershed.
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Assessing the human health risks of per- and polyfluoroalkyl substances: A need for greater focus on their interactions as mixtures
Science
22 Dec 2020 | J Haz. Mat.
The combined effects or potential interactions of PFAS mixtures should be considered and integrated into toxicity assessment to obtain a realistic and more refined human health risk assessment.
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Legacy and emerging per- and polyfluoroalkyl substances (PFASs) in Australian biosolids
Science
22 Dec 2020 | Chemosphere
Using the population data supplied by the participating WWTPs, the mean annual estimated biosolids-associated PFAS contribution is 6 mg per person per year and ranged between 0.6 mg and 15 mg.