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Showing 1501-1515 of 2007

• 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.

• The Case for Direct Measures of Soil-to-Groundwater Contaminant Mass Discharge at AFFF-Impacted Sites

  Science

  4 May 2021 | Environ Sci Technol

  This perspective provides a rationale for why alternative approaches are critically necessary and proposes a practical solution to accurately assess PFAS transport within unsaturated vadose zone soils.

• 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.

• Immunotoxicity of Per-and Polyfluoroalkyl Substances: Insights into Short-Chain PFAS Exposure

  Science

  3 May 2021 | Toxics

  Understudied PFAS have toxicological potential but require additional investigation across endpoints and species, including humans, to understand health effects via drinking water exposure.

• PFAS paper mill settlement reflects growing trend

  News

  28 Apr 2021 | National Law Review

  Just a few days ago, an $11.9 million settlement was announced in a Michigan lawsuit in which a class of approximately 3,000 plaintiffs alleged that a PFAS manufacturer and a PFAS-using paper mill contaminated drinking water supplies, thereby polluting the environment and placing nearby citizens at increased risk of adverse health effects.

• EPA Administrator Regan Establishes New Council on PFAS

  Policy

  27 Apr 2021

  Administrator Michael S. Regan issued a memorandum to EPA’s senior leadership calling for the creation of a new “EPA Council on PFAS” that is charged with building on the agency’s ongoing work to better understand and ultimately reduce the potential risks caused by these chemicals. 

• 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.

• Total and class-specific analysis of per- and polyfluoroalkyl substances in environmental samples using nuclear magnetic resonance spectroscopy

  Science

  27 Apr 2021 | J Haz. Mat. L.

  This paper presents 19F-NMR reference spectra for 34 PFAS and discusses the complementarity of this method with other approaches for the total and class-specific analysis of PFAS.

• 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.

• Thermal Regeneration of Spent Granular Activated Carbon Presents an Opportunity to Break the Forever PFAS Cycle

  Science

  27 Apr 2021 | Environ Sci Technol

  This comprehensive review evaluates the past two decades of research on conventional thermal regeneration of activated carbon and critically analyzes and summarizes the literature on regeneration of PFAS-laden activated carbon.

• Perfluoroalkyl substances (PFASs) in the Ugandan waters of Lake Victoria: Spatial distribution, catchment release and public exposure risk via municipal water consumption

  Science

  27 Apr 2021 | Sci Total Environ

  PFAS were likely recycled from the industrially contaminated water and into municipal drinking water.

• Atmospheric Fate of a New Polyfluoroalkyl Building Block, CFOCHFCFSCHCHOH

  Science

  27 Apr 2021 | Environ Sci Technol

  The kinetics and degradation pathway of a novel PFAS, FESOH, was investigated.

• Perfluorooctane sulfonate decreases the performance of a sequencing batch reactor system and changes the sludge microbial community

  Science

  27 Apr 2021 | Chemosphere

  Sequencing batch reactor wastewater treatment systems were found not to be suitable for PFOS removal, which should be addressed during pretreatment.

• Life-course exposure to perfluoroalkyl substances in relation to markers of glucose homeostasis in early adulthood

  Science

  27 Apr 2021 | J Clin Endocrinol Metab

  PFOS exposure was associated with decreased insulin sensitivity.

• Atmospheric Deposition and Annual Flux of Legacy Perfluoroalkyl Substances and Replacement Perfluoroalkyl Ether Carboxylic Acids in Wilmington, NC, USA

  Science

  26 Apr 2021 | ES&T L

  Particle-bound and gas-phase PFAS that may have undergone long-range transport can be incorporated into raindrops and removed rapidly.