Latest Science

Sequestration and potential release of PFAS from spent engineered sorbents

14 Oct 2020 | Sci of Tot Env

Used water filters were found to potentially be a secondary source of PFAS contamination.

Endocrine disruption of vitamin D activity by perfluoro-octanoic acid (PFOA)

14 Oct 2020 | Sci Rep

PFOA exposure was found to be associated with vitamin D deficiency and potentially weakening bones.

Consumption of freshwater fish: a variable but significant risk factor for PFOS exposure.

14 Oct 2020 | Environ Res

Despite highly variable PFOS concentrations in fish from different sites, the three most commonly consumed freshwater species in Sweden constitute an important source for the total annual intake even for people who eat this kind of fish only a few times per year.

Design, synthesis, characterization, and surface activities of comb-like polymeric fluorinated surfactants with short fluoroalkyl chains

13 Oct 2020 | Colloids Surfaces A

A new comb-like polymeric fluorinated surfactant was designed and synthesized.

[Report] Furthering Understanding of Emissions from Landfilled Waste Containing POP BFRs and PFASs (FUEL)

13 Oct 2020 | EPA Res.

The FUEL project measured brominated flame retardants and PFAS in leachate from landfills and collected air, soil, and groundwater samples traceable to these landfills.

Reductive Defluorination and Mechanochemical Decomposition of Per- and Polyfluoroalkyl Substances (PFASs): From Present Knowledge to Future Remediation Concepts

13 Oct 2020 | Int. J Env Res. & Pub Hel.

Comparisons between existing PFAS decomposition reactions and reductive approaches are discussed in detail, regarding their applicability in possible remediation processes.

Per- and Polyfluoroalkyl Substances (PFAS) in Surface Water Near US Air Force Bases: Prioritizing Individual Chemicals and Mixtures for Toxicity Testing and Risk Assessment

13 Oct 2020 | Environ Toxicol Chem

Data science was applied to characterize and prioritize PFAS and PFAS mixtures from a large dataset of PFAS measurements in surface waters associated with U.S. Air Force Installations with a history of aqueous film-forming foams use.

Demographic and exposure characteristics as predictors of serum per- and polyfluoroalkyl substances (PFASs) levels - A community-level biomonitoring project in Pennsylvania

13 Oct 2020 | Int J Hyg Environ Health

PFAS serum levels were associated with sex, age, employment in the study area, the quantity of daily tap water consumption, and length of residence in the study area.

Per- and Polyfluoroalkyl Substance Toxicity and Human Health Review: Current State of Knowledge and Strategies for Informing Future Research

13 Oct 2020 | Environ Toxicol Chem

The goals of this review are to assess the state of the science regarding the toxicological effects of PFAS, and to develop strategies for advancing knowledge on the health effects of this large family of chemicals.

Are Fluoropolymers Really of Low Concern for Human and Environmental Health and Separate from Other PFAS?

12 Oct 2020 | ES&T

Given fluoropolymers’ extreme persistence; emissions associated with their production, use, and disposal; and a high likelihood for human exposure to PFAS, their production and uses should be curtailed except in cases of essential uses.

Levels of per- and polyfluoroalkyl substances (PFAS) in ski wax products on the market in 2019 indicate no changes in formulation

7 Oct 2020 | Environ Sci Process Impacts

Analysis of eleven of the best-selling fluorinated ski wax products found that although some indicated that they have switched short-chain PFAS they are continuing to use long-chain varieties.

Perfluorooctanesulfonic acid (PFOS) and perfluorohexanesulfonic acid (PFHxS) alter the blood lipidome and the hepatic proteome in a murine model of diet-induced obesity.

7 Oct 2020 | Toxicol. Sci.

PFOS and PFHxS were found to increase the risk of metabolic and inflammatory disease when a diet high in fat was consumed.

First report on the sources, vertical distribution and human health risks of legacy and novel per- and polyfluoroalkyl substances in groundwater from the Loess Plateau, China

6 Oct 2020 | J Haz. Mat.

In the Loess Plateau, both industrial and agricultural activities have contributed to PFAS pollution with short-chain alternatives replacing legacy compounds.

Emerging and Legacy Per- and Polyfluoroalkyl Substances in House Dust from South China: Contamination Status and Human Exposure Assessment.

6 Oct 2020 | Environ. Res.

Analysis based on compositions in house dust from East Asia, North America, and Europe were found to exhibit a region-specific indicating region-specific market demands, application patterns, as well as associated human exposure risks.

Associations between serum concentrations of perfluoroalkyl substances and DNA methylation in women exposed through drinking water: A pilot study in Ronneby, Sweden.

6 Oct 2020 | Env. Int.

Women exposed to PFAS contaminated water were found to likely be at risk of hormone disruption and cancer due to altered DNA methylation.

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