Determination of per-and polyfluoroalkyl compounds in paper recycling grades using ultra-high-performance liquid chromatography–high-resolution mass spectrometry
11 Apr 2024 | Environ Sci Pollut Res Int
PFAS concentrations in paper products were found to be highest in post-consumer recycled paper, highlighting the need to reduce the use of paper additives and improve the collection and sorting of paper for recycled materials.
Estimating the dynamic early life exposure to PFOA and PFOS of the HELIX children: Emerging profiles via prenatal exposure, breastfeeding, and diet
9 Apr 2024 | Environ. Int.
Children's exposure to PFAS from birth to 12 years old was estimated using a model that revealed fluctuations in plasma concentrations influenced by factors such as fetal development, breastfeeding, and food intake, thereby highlighting the importance of investigating early-life exposure to enhance risk assessment.
PFAS Contamination in Europe: Generating Knowledge and Mapping Known and Likely Contamination with “Expert-Reviewed” Journalism
9 Apr 2024 | Environ Sci Technol
The "Forever Pollution Project" (FPP), a collaborative effort between journalists and scientific advisers, used investigative techniques to reveal widespread PFAS contamination across Europe, emphasizing the importance of data transparency and collaboration among researchers, policymakers, and journalists in addressing environmental issues.
Underestimated burden of per-and polyfluoroalkyl substances in global surface waters and groundwaters
8 Apr 2024 | Nature
This study compiled data from over 45,000 surface and groundwater samples worldwide to assess the global prevalence of PFAS contamination, revealing that many samples exceed safe drinking water guidelines.
Constraining global transport of perfluoroalkyl acids on sea spray aerosol using field measurements
5 Apr 2024 | Science Advances
PFAAs were found to be present in sea spray aerosols in global oceans at levels significantly higher than in seawater, indicating that sea spray aerosols emissions may be a major source of PFAAs in the atmosphere, comparable to or greater than other known sources such as manufacturing emissions and precursor degradation.
Peril in the Pipeline: Unraveling the threads of PFAS contamination in US drinking water systems
4 Apr 2024 | PLoS One
PFAS contamination levels were linked to factors such as the size and water sources of public water systems, population density, and regional industrial activities, with non-white communities experiencing lower contamination levels, highlighting the broader impact of industrial and household activities on water quality.
On the Chemical Pathways Influencing the Effective Global Warming Potential of Commercial Hydrofluoroolefin Gases
4 Apr 2024 | ChemSusChem
The introduction of hydrofluoroolefins as a low Global Warming Potential substitute for hydrofluorocarbons raised concerns about the long-term atmospheric fate of their primary degradation products, particularly TFE, TFF, and TF due to the potential secondary formation of HFC-23, a potent greenhouse pollutant. This analysis indicates a need for further research to assess the climate risks associated with HFOs.
Crop Contamination and Human Exposure to Per- and Polyfluoroalkyl Substances around a Fluorochemical Industrial Park in China
4 Apr 2024 | Toxics
Researchers examined the environmental consequences of transitioning from PFOS to shorter-chain alternatives like PFBS in two PFAS manufacturing plants in Fujian, China, revealing significant contamination of surface water, sediment, and fish by various PFAS compounds, highlighting ongoing environmental risks and emphasizing the need for effective management strategies to mitigate ecological impacts.
Per- and polyfluoroalkyl substances and bone mineral content in early adolescence: Modification by diet and physical activity
3 Apr 2024 | Environ Res
In a study of 197 adolescents, exposure to PFAS was associated with lower bone mineral content, which can be mitigated by consuming a healthy mineral rich diet and engaging in higher intensity physical activity during adolescence.
Global quantification of emerging and legacy per- and polyfluoroalkyl substances in indoor dust: Levels, profiles and human exposure
1 Apr 2024 | Sci Total Environ
PFAS were found in house dust across six global regions, with variations in concentration and composition likely influenced by geography and socioeconomic factors, implying potential exposure risks for toddlers, although overall health risks seem minimal.
Investigating the sources and fate of per- and polyfluoroalkyl substances (PFAS) in food waste compost
1 Apr 2024 | Waste Manag
Researchers investigating PFAS in food waste compost at a pilot-scale facility found that PFAS concentrations increased with compost maturity with food contact materials having the highest PFAS levels. This highlights the need for source-separation practices to effectively mitigate PFAS contamination.
Life in the PFAS lane: The impact of perfluoroalkyl substances on photosynthesis, cellular exudates, nutrient cycling, and composition of a marine microbial community
26 Mar 2024 | Sci Total Environ
This study investigated the effects of PFAS on microbial communities in the northwestern Gulf of Mexico, revealing that PFOS but not 6:2 FTS induced significant phototoxicity and shifts in community structure, highlighting the importance of understanding PFAS impacts on microbial ecosystems.
Public Health Risks of PFAS-Related Immunotoxicity Are Real
25 Mar 2024 | Curr. Environ. Health Rep.
Clinical recommendations for PFAS-exposed individuals and communities should be revisited and strengthened to provide guidance on incorporating immune system monitoring and other actions that can be taken to protect against adverse health outcomes.
Exposure to per- and polyfluoroalkyl substances and high-throughput proteomics in Hispanic youth
23 Mar 2024 | Environ Int
PFAS exposure in Hispanic youth was linked to changes in plasma proteins associated with inflammation and immunity, suggesting potential cardiometabolic toxicity.
Crowdsourcing citizens for statewide mapping of per-and polyfluoroalkyl substances (PFAS) in Florida drinking water
22 Mar 2024 | Sci Total Environ
This study examined 448 drinking water samples collected from taps across Florida, revealing PFAS concentrations ranging from non-detectable to 219 ng/L, with a median of 2.90 ng/L and a mean of 14.06 ng/L, providing crucial baseline data for monitoring and the opportunity to educate impacted communities in water quality issues.