Showing 1531-1545 of 1694
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Will Congress finally address toxic 'forever chemicals?'
Policy
30 Jun 2020
The haunting folk song refrain, “When will we ever learn?” could apply well to the reckless manufacture of a class of harmful chemicals called PFAS.
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Non-target and suspect screening of per- and polyfluoroalkyl substances in Chinese municipal wastewater treatment plants
Science
30 Jun 2020 | Water Res.
63 PFAS was found in wastewater with emerging PFAS not effectively removed using traditional methods.
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Toxicity of Balb-C Mice Exposed to Recently Identified 1,1,2,2-Tetrafluoro-2-[1,1,1,2,3,3-hexafluoro-3-(1,1,2,2-tetrafluoroethoxy)propan-2-yl]oxyethane-1-sulfonic acid (PFESA-BP2)
Science
30 Jun 2020 | Toxicology
PFAS from the Cape Fear River basin in North Carolina was associated with increased liver and body weight percents.
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Thermal desorption as a high removal remediation technique for soils contaminated with per- and polyfluoroalkyl substances (PFASs)
Science
30 Jun 2020 | PLoS ONE
PFSAs and FOSAs showed higher removal than the perfluoroalkyl carboxylates PFCAs using thermal desorption.
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Environmental levels and human body burdens of per- and poly-fluoroalkyl substances in Africa: A critical review
Science
25 Jun 2020 | Sci. Total Environ.
This paper synthesises literature about the status of the pollutants and their precursors, identifies knowledge gaps and discusses future perspectives on the study of PFASs in Africa.
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Direct contact membrane distillation for effective concentration of perfluoroalkyl substances – Impact of surface fouling and material stability
Science
24 Jun 2020 | Water Re.
PFAS was removed from contaminated waters using a PTFE membrane.
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Per- And Polyfluoroalkyl Substances in the German Environment - Levels and Patterns in Different Matrices
Science
24 Jun 2020 | Sci. Tot. Env.
The screening data provided here may support the differentiation between background levels and hotspot contaminations.
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[REPORT] Initiatives to Evaluate the Presence of PFAS in Municipal Wastewater and Associated Residuals (Sludge/Biosolids) in Michigan
Science
24 Jun 2020 | EGLE
This report provides a summary of the status and findings of the Industrial Pretreatment Program PFAS Initiative and an evaluation of 42 municipal WWTPs for the presence of PFAS in influents, effluents, and associated residuals (sludge/biosolids) generated at the facilities.
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Another Pathway for Firefighter Exposure to Per- and Polyfluoroalkyl Substances: Firefighter Textiles
Science
23 Jun 2020 | ES&TL
Textiles used as firefighter turnout gear were found to have high levels of total fluorine, and individual PFAS were identified and measured on new and used firefighting turnout gear.
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DOD must do more to address PFAS pollution
News
19 Jun 2020 | Bloomberg Law
Military service members and their families are especially at risk from forever chemicals because of the DOD’s 50-year use of fire-fighting foam made with PFAS.
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Perfluoroalkyl substances (PFASs) in special management sea areas of Korea: Distribution and bioconcentration in edible fish species
Science
17 Jun 2020 | Mar. Pollut. Bull.
PFAS was found throughout Korean waters in edible fish and bivalves.
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Bioaccumulation of perfluoroalkyl substances in greenhouse vegetables with long-term groundwater irrigation near fluorochemical plants in Fuxin, China
Science
17 Jun 2020 | Environ. Res.
The bioaccumulation efficiencies for PFAS contaminants from soil to vegetables were negatively associated with the carbon chain length in PFAS.
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Temporal and spatial analysis of per and polyfluoroalkyl substances in surface waters of Houston ship channel following a large-scale industrial fire incident
Science
16 Jun 2020 | Env. Poll.
This work documents the impact of a large-scale industrial fire on the environmental levels of PFAS, establishes a baseline concentration of PFAS in the affected area, and highlights the critical need for the development of PFAS water quality standards.
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Spatiotemporal variations, sources and health risk assessment of perfluoroalkyl substances in a temperate bay adjacent to metropolis, North China
Science
16 Jun 2020 | Env. Poll.
Terrigenous input, tide, and rainfall affected the spatiotemporal variation of PFAS levels.
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Review on perfluoroalkyl and polyfluoroalkyl substances (PFASs) in the Chinese atmospheric environment
Science
16 Jun 2020 | Sci. Total Environ.
This review documented twenty-eight studies on PFASs in Chinese outdoor air published to date. Methods of sampling, extraction, cleanup, and instrumental analysis were summarized for both ionic and neutral PFASs.