Showing 496-510 of 1110
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California expands review of PFOS, PFOA to include cancer risk
News
17 May 2021 | JD Supra
The California Office of Environmental Health Hazard Assessment is expanding its review of potential substances to add to its Proposition 65 list of chemicals that cause cancer. This includes PFOA, PFOS with PFDA, PFHxS, PFNA, and PFUnDA next.
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Per- and Polyfluoroalkyl Substances (PFAS) in Breast Milk: Concerning Trends for Current-Use PFAS
Science
17 May 2021 | Environ Sci Technol
PFOS and PFOA levels have decreased in breast milk from 1996-2019 although short-chain detection doubles every 4 years.
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PFAS and their substitutes in groundwater: Occurrence, transformation and remediation
Science
11 May 2021 | J Hazard Mater
GenX, F-53B, and OBS in groundwater treatment by UV/sulfite system and electrochemical oxidation proved effective.
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Occurrence, profiles, and ecotoxicity of poly- and perfluoroalkyl substances and their alternatives in global apex predators: A critical review
Science
11 May 2021 | J of Env Sci
PFOS was the dominant PFAS found in the top predators, followed by PFUnDA, and the proportions of odd C-chain length PFCAs were higher than adjacent even C-chain length PFCAs.
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Spatial and temporal baseline of perfluorooctanesulfonic acid retained in sediment core samples from Puget Sound, Washington, USA
Science
11 May 2021 | Mar Pollut Bull
Sediments adjacent to Seattle, WA, had the largest PFOS flux, beginning in 1959.
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Perfluoroalkyl substances in drinking water sources along the Yangtze River in Jiangsu Province, China: Human health and ecological risk assessment
Science
11 May 2021 | Ecotoxicol Environ Saf
PFOS, PFOA, and PFBS induced considerable risk on human health and aquatic species.
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These pets have high levels of forever chemicals in their blood. Has that made them sick?
News
10 May 2021 | North Carolina Health News
A study of pets who live near Chemours plant in Fayetteville found at least one measurable type of PFAS in every dog tested and all but one horse. Some of the levels were staggering.
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Per and polyfluoroalkyl substances (PFAS) at high concentrations in neonatal Australian pinnipeds
Science
5 May 2021 | Sci. Tot. Env.
The geographical foraging range is the suspected factor for interspecies differences in marine mammals.
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Adsorption Behavior of Perfluorooctanesulfonate (PFOS) onto Activated Spent Coffee Grounds Biochar in Synthetic Wastewater Effluent
Science
4 May 2021 | J Haz. Mat. L
Spent coffee ground activated biochar performed comparably to commercial adsorbents.
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Diffusion of perfluoroalkyl acids through clay-rich soil
Science
4 May 2021 | J Contam Hydrol
Surface diffusion serves a potentially important role for strongly sorbing PFAAs in clay-rich soils.
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Microwave regeneration of granular activated carbon saturated with PFAS
Science
4 May 2021 | Water Res
Multiple cycles of microwave treatments were found to successfully regenerate activated carbon saturated with PFOA and PFOS.
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Committee recommends stricter water standards for ‘forever chemicals’
News
30 Apr 2021 | Press Herald
The proposal would set an interim standard of 20 ppt for PFAS in Maine's drinking water, in line with several other New England states and lower than the current federal health advisory level.
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Flurry of PFAS actions in the first 100 days of the Biden Administration: The highlights
News
30 Apr 2021 | JD Supra
Many of these proposed actions could have far-reaching and significant implications for many industries and businesses.
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Systemic PFOS and PFOA exposure and disturbed lipid homeostasis in humans: what do we know and what not?
Science
27 Apr 2021 | Crt. Rev. Tox.
This paper aims to present the main issues regarding the modulation of lipid homeostasis by the two most common PFASs, PFOS and PFOA, with emphasis on the underlying mechanisms relevant for humans.
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Review on plant uptake of PFOS and PFOA for environmental cleanup: potential and implications
Science
27 Apr 2021 | Environ Sci Pollut Res Int
This review provides an overview of current studies on plant uptake of PFOS and PFOA from the perspective of phytoremediation.