Showing 166-180 of 1034
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Emerging Contaminants and New POPs (PFAS and HBCDD) in Endangered Southern Resident and Bigg’s (Transient) Killer Whales (Orcinus orca): In Utero Maternal Transfer and Pollution Management Implications
Science
13 Dec 2022 | ACS
7:3-fluorotelomer carboxylic acid was the primary PFAS detected in killer whales' skeletal muscle and liver samples in the Northeastern Pacific Ocean, followed by PFOS, PFOA, and PFHxS.
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Perfluoroalkyl and polyfluoroalkyl substances in cord serum of newborns and their potential factors
Science
12 Dec 2022 | Chemosphere
Maternal age, maternal education, diet, and nutritional supplementation during pregnancy can all affect umbilical serum exposure to PFAS.
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DuPont loses challenge over cancer victim’s $40m verdict in PFAS case
News
7 Dec 2022 | Reuters
A federal appeals court has upheld a $40 million verdict for a cancer survivor who sued E.I. du Pont de Nemours and Co after years of exposure to a toxic chemical that it manufactured.
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Human serum poly- and perfluoroalkyl substance concentrations and their associations with gestational diabetes mellitus
Science
6 Dec 2022 | Environ Pollut
Higher serum PFAS concentrations were associated with gestational diabetes incidence in pregnant women, especially for PFOA, PFNA, PFHxS, and 6:2 Cl-PFESA.
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Occurrence, partitioning and transport of perfluoroalkyl acids in gas and particles from the southeast coastal and mountainous areas of China
Science
5 Dec 2022 | Environ Sci Pollut Res Int.
The longer the fluorinated carbon chain length of the PFAA, the more the PFAA tended to exist in the particulate phase, and PFAS in China can be widely spread through the atmosphere due to winter monsoon winds.
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Hydrogen-polarized vacuum ultraviolet photolysis system for enhanced destruction of perfluoroalkyl substances
Science
1 Dec 2022 | JHM Letters
Hydrogen and UV light treatments were found to destroy PFOS and PFOA up to 95% in tap water in 45 minutes in laboratory conditions.
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Bayesian Estimation of Human Population Toxicokinetics of PFOA, PFOS, PFHxS, and PFNA from Studies of Contaminated Drinking Water
Science
1 Dec 2022 | Environ Health Perspect
A harmonized methodology was developed to determine the half-life and volume of distribution for PFOA, PFOS, PFNA, and PFHxS.
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More than 110 experts raise alarm over WHO’s ‘weak’ PFAS limits for drinking water
News
19 Nov 2022 | The Guardian
Independent scientists raise concerns about apparent industry influence and distortions of the science in WHO guidelines.
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A Year in Review: EPA’s Work on PFAS
News
18 Nov 2022 | Environmental Protection
The EPA’s A Year of Progress Under EPA’s PFAS Strategic Roadmap, published this week, outlines what actions have been taken so far to better the lives of people in our communities.
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Biota-Sediment Accumulation Factors (BSAFs) for Per- and Polyfluorinated Substances (PFAS)
Science
18 Nov 2022 | Environ Toxicol Chem
A summary of biota-sediment accumulation factors is given for many PFAS, and the largest research gap identified is understanding the effects of concentration and mixtures upon bioaccumulation from sediments.
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[Public Comments] New Jersey Department of Environmental Protection Comments on Draft World Health Organization Drinking Water Quality Guidelines for PFOA and PFOS
Science
17 Nov 2022
NJDEP identified the need for many revisions in both the factual information and the conclusions about health effects, treatment removal, and other topics discussed in the draft WHO document.
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[Press Release] 116 Scientists Reject WHO’s Draft PFAS Guidelines
News
10 Nov 2022 | Green Science Policy Institute
More than 100 scientists sent a letter to the World Health Organization today urging a complete overhaul or withdrawal of the organization’s draft drinking water guidelines for the two most well-studied PFAS.
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[Public Comments] International Society for Environmental Epidemiology Comments on Draft World Health Organization Drinking Water Quality Guidelines for PFOA and PFOS
Science
10 Nov 2022 | ISEE Website
The ISEE, a leading scientific association in environmental epidemiology that impacts research, training, and policy worldwide, identified that the provisional WHO guidelines neither protect human health nor include the latest scientific literature.
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Interface hydrogen bonding dominated perfluorooctanoic acid (PFOA) accumulation by iron particles in drinking water pipes
Science
8 Nov 2022 | Chemosphere
Old unlined drinking water pipes had a higher accumulation capacity for PFOA than new pipes due to the accumulation of some iron particles.
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The effects of perfluoroalkyl and polyfluoroalkyl substances on female fertility: A systematic review and meta-analysis
Science
2 Nov 2022 | Environ Res
Increased levels of PFAS exposure are associated with reduced female fertility, which should be taken into account for risk assessments of manufacturing products containing PFAS.