Exposure to perfluoroalkyl substances in waste recycling workers: Distributions in paired human serum and urine
9 Nov 2021 | Environ Int
The results of this study suggest that sorters at recycling facilities may be directly exposed to PFAS and is the first to detect PFPAs in human urine.
Distribution of perfluoroalkyl acids in fish species from the Baltic Sea and freshwaters in Finland
9 Nov 2021 | Chemosphere
Moderate consumption of most Baltic fishes exceeded the tolerable weekly intake set by the European Commission for the sum of four PFAS (PFOA, PFNA, PFHxS, and PFOS).
Emerging investigator series: human CYP2A6 catalyzes the oxidation of 6:2 fluorotelomer alcohol
9 Nov 2021 | Environ Sci Process Impacts
An enzyme was found to play an important role in the indirect human exposure to bioactive and persistent PFCAs which are metabolites of 6:2 fluorotelomer alcohol.
Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis
9 Nov 2021 | Environ Sci Technol
Common solvents were found to degrade PFAS during chemical analysis, potentially corrupting results.
Half-lives of several polyfluoroalkyl substances (PFAS) in cattle serum and tissues
9 Nov 2021 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
Cattle drank water contaminated with PFAS-containing fire fighting from were found to have PFOS, PFHpS, PFNA, PFDA, and PFHxS in their blood which was used to estimate half-lives for these substances.
Global occurrence and probabilistic environmental health hazard assessment of per- and polyfluoroalkyl substances (PFASs) in groundwater and surface waters
8 Nov 2021 | Sci Total Environ
US EPA drinking water lifetime health advisory levels were exceeded for PFOS in up to 74% of Oceania groundwater samples and exceeded for PFOA in up to 69% of North American groundwater samples.
Identification of point source dischargers of per- and polyfluoroalkyl substances in the United States
2 Nov 2021 | AWWA
A screening-level analysis was conducted of the potential for environmental PFAS releases from contaminated sites, active industrial sites, wastewater treatment plants, and waste disposal sites nationwide.
Bioaccumulation and metabolic response of PFAS mixtures in wild-caught freshwater turtles (Emydura macquarii signata) using omics-based ecosurveillance techniques
2 Nov 2021 | Sci Total Environ
Turtle populations were surveyed to understand the effects of PFAS exposure around factories.
Analytical uncertainties in a longitudinal study - A case study assessing serum levels of per- and poly-fluoroalkyl substances (PFAS)
2 Nov 2021
PFAA precursors were most likely to be the primary contaminant in AFFF-impacted surface soils.
Occurrence and infant exposure assessment of per and polyfluoroalkyl substances in breast milk from South Africa
2 Nov 2021 | Chemosphere
Infant sex was correlated to PFAS exposure in newborns and showed widespread contamination.
Susceptibility to COVID-19 after High Exposure to Perfluoroalkyl Substances from Contaminated Drinking Water: An Ecological Study from Ronneby, Sweden
2 Nov 2021 | Int J Environ Res Public Health
High PFAS exposure is potentially linked to an increased susceptibility to COVID-19.
Analytical uncertainties in a longitudinal study - A case study assessing serum levels of per- and poly-fluoroalkyl substances (PFAS)
2 Nov 2021 | Int J Hyg Environ Health
The variance between sample collection was found to be an important consideration affecting long-term PFAS studies.
Chronic exposure to perfluorohexane sulfonate leads to a reproduction deficit by suppressing hypothalamic kisspeptin expression in mice
2 Nov 2021 | J Ovarian Res
Long-term exposure of mice to PFHxS reduced reproductive ability by inhibiting normal organ development.
Detection of long chain per- and polyfluoroalkyl substances (PFAS) in the benthic Golden tilefish (Lopholatilus chamaeleonticeps) and their association with microscopic hepatic changes
2 Nov 2021 | Sci Total Environ
PFAS exposure was found to be possibly detrimental to bottom-dwelling aquatic species.
Per- and polyfluoroalkyl substances, epigenetic age and DNA methylation: a cross-sectional study of firefighters
2 Nov 2021 | Epigenomics
PFAS exposure was associated with indicators of adverse health outcomes in firefighters.