Showing 46-60 of 179
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[Press Release] Flea-control products found to be infested with forever chemicals
News
7 Jun 2021 | PEER
One major concern is that people can be exposed to these products though their skin by petting and playing with their pets and children face even greater risk through their frequent hand-to-mouth behavior.
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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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‘Canary in a coal mine’: Scientists test alligators for PFAS chemical compounds
News
6 May 2021 | The Fayetteville Observer
Alligators in the lower Cape Fear River had changes in their immune system that could indicate the development of autoimmune-like diseases in response to exposure to high-levels of the contaminants.
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Exploring Unknown Per- and Polyfluoroalkyl Substances in the German Environment – the Total Oxidizable Precursor Assay as Helpful Tool in Research and Regulation
Science
7 Apr 2021 | Sci. Total Environ.
Time trend analysis showed decreasing trends for most detected PFAS since 2005 with the results demonstrating that target analysis detects only a minor fraction of the PFAS burdens in environmental samples.
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UK ‘flying blind’ on levels of toxic chemicals in tap water
News
25 Mar 2021 | The Guardian
The UK government has so far only made plans to make plans to understand the levels of drinking water pollution.
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Development and Applications of Novel DGT Passive Samplers for Measuring 12 Per- and Polyfluoroalkyl Substances in Natural Waters and Wastewaters
Science
16 Mar 2021 | Environ Sci Technol
A thin-films passive sampling method was developed for monitoring five PFCAs, five PFSAs, 6:2 FTSA, and GenX in water.
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PFAS in pesticides: ‘A problem of epic proportions’
News
5 Mar 2021 | E&E News
It is unclear how the PFAS are getting into the pesticides, and whether manufacturers are intentionally adding the chemicals, as opposed to accidental contamination from equipment used to manufacture or transport the pesticides.
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Cross-Flow Treatment of PFAS in Water: Materials Challenges and Potential Solutions
Science
23 Feb 2021 | Acc. Mater. Res.
Thin-film composite membranes have shown highly efficient in removing PFAS from contaminated water.
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Response to “Comment on Scientific Basis for Managing PFAS as a Chemical Class
Science
1 Feb 2021 | Environ. Sci. Technol
Here we are responding to the comment by Singh and Papanastasiou who disagree with a class-based approach to PFAS and build their argument around hydrochlorofluorocarbons.
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DEQ cites Chemours for PFAS treatment system failures
News
28 Jan 2021 | North Carolina Health News
The chemical plant in Bladen County, NC receives notice of violation for problems with a new treatment system that is expected to remove 99 percent of residual PFAS before they reach the Cape Fear River. This is the third notice of violation the DEQ has issued Chemours for its treatment system, and one of many since the public became aware of the contamination from the plant.
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Predicting the risk of GenX contamination in private well water using a machine-learned Bayesian network model
Science
19 Jan 2021 | J. of Haz. Mat.
Modeling predicts that atmospheric deposition rate is the most important factor influencing risk.
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Characterizing the Air Emissions, Transport, and Deposition of Per- and Polyfluoroalkyl Substances from a Fluoropolymer Manufacturing Facility
Science
12 Jan 2021 | Environ Sci Technol
PFAS with acid functionality has higher deposition due to enhanced water solubility and pH-driven partitioning to aqueous media.
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Per- and polyfluoroalkyl substances and their alternatives in black-tailed gull (Larus crassirostris) eggs from South Korea islands during 2012-2018
Science
6 Jan 2021 | J Hazard Mater
Significant increasing temporal trends were observed for PFOS, PFNA, and F-53B suggesting continuous use or accumulation of these in the Korean environment.
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Toxic effects and mechanisms of PFOA and its substitute GenX on the photosynthesis of Chlorella pyrenoidosa
Science
5 Jan 2021 | Sci Total Environ
Prolonged exposure to GenX lead to decreased ability to photosynthesize.
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Profiling of emerging and legacy per-/polyfluoroalkyl substances in serum among pregnant women in China
Science
29 Dec 2020 | Env. Poll.
6:2Cl-PFESA to PFOS ratio in serum shows an apparent geographic difference in China.