Showing 46-60 of 1002
-
Exposure to Per-and Polyfluoroalkyl Substances in Women With Twin Pregnancies: Patterns and Variability, Transplacental Transfer, and Predictors
Science
28 Aug 2023 | J. Hazard. Mater.
PFOS, PFOA, and 6:2 Cl-PFESA were identified as the most dominant PFAS in both maternal and twin cord serum.
-
All About PFAS, the ‘Forever Chemicals’ That US and EU Are Targeting
News
24 Aug 2023 | The Washington Post
Meet PFAS, a class of chemicals that some scientists call the next DDT.
-
Temporal Decline in Serum PFAS Concentrations among Metropolitan Firefighters: Longitudinal Study on Post-Exposure Changes following PFAS Foam Cessation
Science
22 Aug 2023 | Environ. Int.
After switching from AFFF to alternative firefighting foams, younger firefighters and those with minimal prior occupational PFAS exposure experienced substantially greater annual reductions in PFAS blood levels.
-
Human health risk-based soil generic assessment criteria of representative perfluoroalkyl acids (PFAAs) under the agricultural land use in typical Chinese regions
Science
14 Aug 2023 | Environ Pollut
This study provides a technical reference for deriving soil generic assessment criteria for PFAAs and found that the dominant exposure pathway for PFBA and PFBS in some regions of China was vegetables and attached soil.
-
Prenatal and childhood exposure to per-/polyfluoroalkyl substances (PFASs) and its associations with childhood overweight and/or obesity: a systematic review with meta-analyses
Science
14 Aug 2023 | Environ Health
The review revealed positive correlations between prenatal PFNA and BMI, between PFOA and BMI in children older than 3 years, as well as between prenatal PFNA and waist circumference. Negative associations were found between prenatal PFOS and BMI in children younger than 3 years and PFHxS and the risk of being overweight.
-
Per- and Polyfluoroalkyl Substances (PFAS) and Lipid Trajectories in Women 45-56 Years of Age: The Study of Women's Health Across the Nation
Science
8 Aug 2023 | Environ Health Perspect
Research conducted among midlife women revealed a correlation between specific PFAS and elevated cholesterol levels in the bloodstream, characterized by a distinctive pattern of rapid increase followed by a decrease.
-
PFAS CERCLA Expansion Comment Period Closing
Policy
4 Aug 2023
The public comment period for the CERCLA PFAS proposed rule closed on November 7, 2022, and the EPA is now undertaking a review of the comments and will have the opportunity to determine whether to modify the rule before issuing a final rule.
-
Prenatal exposure to perfluoroalkyl substances and inflammatory biomarker concentrations
Science
31 Jul 2023 | Environ. Epidemiol
PFOA, PFOS, and PFHxS, individually and as a mixture, were positively associated with inflammatory responses during pregnancy.
-
Fetal Glucocorticoid Mediates the Association between Prenatal Per- and Polyfluoroalkyl Substance Exposure and Neonatal Growth Index: Evidence from a Birth Cohort Study
Science
26 Jul 2023 | Environ Sci Technol
Fetal hormone levels were found to influence the association between mothers’ PFAS levels and fetal growth.
-
Per- and polyfluoroalkyl substances in ambient fine particulate matter in the Pearl River Delta, China: Levels, distribution and health implications
Science
25 Jul 2023 | Env Poll
PFAS exposure via inhalation of particulate matter was found to be dominated by low levels of PFSAs and PFCAs, but inhalation exposure is still important due to its long-term and cumulative nature.
-
6:2 Chlorinated Polyfluoroalkyl Ether Sulfonates Exert Stronger Thyroid Homeostasis Disruptive Effects in Newborns than Perfluorooctanesulfonate: Evidence Based on Bayesian Benchmark Dose Values from a Population Study
Science
25 Jul 2023 | Environ Sci Technol
Models suggested that 6:2 Cl-PFESA, an alternative to PFOS, has a stronger impact on newborns’ thyroids compared to PFOS and other legacy PFAS.
-
Environmental explanation of prostate cancer progression based on the comprehensive analysis of perfluorinated compounds
Science
25 Jul 2023 | Ecotoxicol Environ Saf
PFOA and PFNA were found to promote the growth of prostate cancer cells.
-
‘Forever Chemical’ Lawsuits Could Ultimately Eclipse the Big Tobacco Settlement
News
13 Jul 2023 | TIME
So far, DuPont, Chemours, Corteva, and 3M have paid a total of nearly $11.5 billion in damages for PFAS contamination. But that number could grow considerably, even exceeding the more than $200 billion paid by Big Tobacco in the 1990s.
-
Per- and polyfluoroalkyl substances (PFAS) measured in seafood from a cross-section of retail stores in the United States
Science
13 Jul 2023 | J Hazard Mater
PFAS levels in several grocery store seafood samples were found to exceed safe levels, and PFBS from food storage bags contaminated the fish, potentially leading to a substantial impact on human exposure.
-
An LC-MS/MS method for the quantitative determination of 57 per- and polyfluoroalkyl substances at ng/kg levels in different food matrices
Science
6 Jul 2023 | Food Addit Contam Part A Chem Anal Control Expo Risk Assess
An analytical method was optimized for quantifying the amount of PFAS in milk powder, milk-based infant formula, meat-based baby food puree, fish and fish oil, fresh egg, and soluble coffee, with limits of quantification low enough to comply with EU regulation.