Showing 1816-1830 of 2162
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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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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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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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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.
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From Alaska to Florida, Harmful PFAS Compounds Pollute Water at Multiple Sites in Every State
News
21 Dec 2020 | Eco Watch
Tom Kennedy learned about the long-term contamination of his family's drinking water about two months after he was told that his breast cancer had metastasized to his brain and was terminal.
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Investigation targets discharges of next-generation 'forever chemicals' from 3M's Cottage Grove plant
News
18 Dec 2020 | Star Tribune
State and federal pollution regulators are investigating 3M Co.'s reporting on next-generation "forever chemicals" discharged from its Cottage Grove plant into the Mississippi River, even as Minnesota struggles to address ever-growing contamination from the original versions the manufacturer no longer makes.
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Re Advance Notice on the Regulation of Perfluoroalkyl, Polyfluoroalkyl Substances (PFAS) as a Class
Policy
15 Dec 2020
Technical comments submitted to the Vermont Agency of Natural Resources regarding managing the class of PFAS.
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Perfluoroalkyl Substances in the Urine and Hair of Preschool Children, Airborne Particles in Kindergartens, and Drinking Water in Hong Kong
Science
15 Dec 2020 | Env Poll
PFOA was the major PFAS detected in hair, urine, and drinking water samples, while PFOA, PFDA, and PFHpA were dominant in airborne particles.
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Per- and Polyfluoroalkyl Substances and Obesity, Type 2 Diabetes and Non-alcoholic Fatty Liver Disease: A Review of Epidemiologic Findings
Science
15 Dec 2020 | Toxicol Environ Chem
2/3 of studies reported positive associations between PFAS exposure and the prevalence of obesity and/or type 2 diabetes.
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Cosmetics, cellphones, guitar strings: where we found 'forever chemicals'
News
14 Dec 2020 | The Guardian
Altogether, we found PFAS in more than 200 use categories. We already knew about PFAS in fire-fighting foams, refrigerants, lithium-ion batteries, carpets, waterproof fabrics, ski waxes, fast-food paper and board containers, muffin forms, popcorn bags, and dental floss.