A data-driven approach to identifying PFAS water sampling priorities in Colorado, United States
1 Aug 2024 | J Expo Sci Environ Epidemiol
A predictive model identified high-risk areas for PFAS groundwater contamination in Colorado, pinpointing private wells, schools, mobile home parks, and certain public water systems as priority sampling locations, helping decision-makers use limited resources to protect the most people.
Combined screening and retroactive data mining for emerging perfluoroethers in wildlife and pets in the Cape Fear Region of North Carolina
29 Jul 2024 | Chemosphere
Non-targeted analysis techniques uncovered novel fluorinated compounds, such as PFO6TeDA, PFO7HxDA, PFO8OcDA, and Nafion byproduct 6, in wildlife but not domestic animals in the Cape Fear River region, with PFO6TeDA being the most frequently detected, necessitating further studies to assess the impact of regrettable substitutes on wildlife and humans.
Examining the Impact of Polyfluoroalkyl Substance Exposure on Erythrocyte Profiles and Its Related Nutrients: Insights from a Prospective Study on Young Taiwanese
29 Jul 2024 | Environ. Pollut.
A decade-long study of 502 young Taiwanese individuals found that PFAS exposure is associated with changes in erythrograms, linking specific PFAS compounds to increased transferrin saturation and decreased vitamin B12 levels, with significant interactions involving iron status, vitamin B12, and folate.
Associations between prenatal exposure to per- and polyfluoroalkyl substances and plasma immune molecules in three-year-old children in China
27 Jul 2024 | Toxicol Appl Pharmacol
Prenatal exposure to PFAS significantly affects immune molecule levels in three-year-old children, with specific PFAS linked to increases in interleukins and Eotaxin-3, which help regulate the immune system, highlighting the need to understand environmental impacts on early immune development.
Determination of legacy and emerging per-and polyfluoroalkyl substances (PFAS) in indoor and outdoor air
25 Jul 2024 | ACS ES&T Air
High levels of fluorotelomer alcohols (FTOHs) and other legacy & emerging PFAS were found in indoor and outdoor air, with significant temporal variations and distinct gas/particle partitioning, highlighting the need for better understanding and regulation of airborne PFAS.
Prenatal Exposure of PFAS in Cohorts of Pregnant Women: Identifying the Critical Windows of Vulnerability and Health Implications
25 Jul 2024 | Environ. Sci. Technol.
From 2018 to 2020, a prenatal PFAS exposure study in pregnant women and their newborns showed a decline in older PFAS but an increase in emerging PFAS and highlighted the third trimester as a critical window affecting birth weight and length.
Interaction and coexistence characteristics of dissolved organic matter and toxic metals with per- and polyfluoroalkyl substances in landfill leachate
24 Jul 2024 | Environ Res
Landfill leachate containing PFAS poses significant environmental risks, with high concentrations of short-chain PFAS like PFBA and PFBS strongly interacting with dissolved organic matter and toxic metals, particularly manganese, highlighting the need for better management strategies.
[Perspective] The Far Reach of PFAS-Inert Ingredients and Adjuvants in Pesticide Formulations
24 Jul 2024 | Environ Health Perspect
New attention to PFAS presence in pesticide formulations represents an opportunity for the EPA to improve the scientific validity of pesticide risk assessment, especially considering chemical mixtures.
Forever Pesticides: A Growing Source of PFAS Contamination in the Environment.
24 Jul 2024 | Environ Health Perspect
Analysis of PFAS in pesticide products found that the biggest contributor to PFAS in pesticides was active ingredients and their degradation products, as well as PFAS leaching from fluorinated containers into pesticides.
Interaction of microplastics with perfluoroalkyl and polyfluoroalkyl substances in water: A review of the fate, mechanisms and toxicity
23 Jul 2024 | Sci Total Environ
Microplastics and PFAS, both prevalent in aquatic environments, interact to enhance their combined toxicity, with this review examining their interaction mechanisms, influencing factors, and impacts on environmental distribution, providing insights for understanding their fate and toxicity.
[Perspective] From “forever chemicals” to fluorine-free alternatives
18 Jul 2024 | Science
PFAS are persistent chemicals with significant health hazards, leading to regulatory actions and efforts to find safer alternatives, which present challenges in ensuring effective replacements without causing unintended consequences or compromising performance.
Per- and poly-fluoroalkyl substances (PFAS) effects on lung health: a perspective on the current literature and future recommendations
18 Jul 2024 | Front Toxicol
A review on PFAS effects on lung health included impaired fetal lung development, reduced immune function in children, and potential lung cancer, highlighting the need for more research on their toxicity mechanisms and improved risk assessment.
Nontarget Analysis of Legacy and Emerging PFAS in a Lithium-Ion Power Battery Recycling Park and Their Possible Toxicity Measured Using High-Throughput Phenotype Screening
17 Jul 2024 | Environ Sci Technol
The rapid growth of the lithium-ion battery recycling industry and scarcity of battery materials is raising concerns about environmental risks, particularly from PFAS, with a study identifying 25 types of PFAS in battery recycling areas and highlighting their toxicity and widespread presence.
Effect of Short-term Sample Storage and Preparatory Conditions on Losses of 18 Per-and Polyfluoroalkyl Substances (PFAS) to Container Materials
15 Jul 2024 | Chemosphere
Glass and PET labware containers had the lowest losses of PFAS to adsorption, highlighting the need for careful selection of container materials and storage conditions when analyzing PFAS, especially for long-chain compounds.
The Fate of Fluorine Post Per-and Polyfluoroalkyl Substances Destruction during the Thermal Treatment of Biosolids: A Thermodynamic Study
15 Jul 2024 | Energies
PFAS found in biosolids can be partially destroyed and converted to smaller compounds during thermal treatment, with factors like feedstock composition and the addition of minerals significantly affecting the emission and capture of fluorine compounds, offering insights for optimizing thermal treatment processes.