Showing 1741-1755 of 2330
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PFOS in U.S. Ambient Surface Waters: A Review of Occurrence in Aquatic Environments and Comparison to Global Concentrations
Science
6 Jul 2021 | Environ Toxicol Chem
This review summarizes currently available literature on PFOS occurrence in surface waters across the U.S. and highlights existing data gaps.
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Per- and Polyfluoroalkyl Substances (PFAS) and Hormone Levels during the Menopausal Transition
Science
6 Jul 2021 | J Clin Endocrinol Metab
PFAS was found to affect reproductive aging through stimulating follicle hormones and estradiol levels in midlife women during the menopausal transition.
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Ship navigation disturbance alters multiphase distribution of perfluoroalkyl acids and increases their ecological risk in waterways
Science
6 Jul 2021 | Sci Total Environ
The present study provides crucial information for simulating the environmental behaviors of PFAAs under the influence of ship navigation and is significant for the integration of inland water transport development and aquatic environmental protection.
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Prospective associations of mid-childhood plasma per- and polyfluoroalkyl substances and pubertal timing
Science
6 Jul 2021 | Environ Int
Higher PFAS plasma concentrations in mid-childhood were associated with the later onset of puberty in girls.
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Hair determination of Per- and polyfluoroalkyl substances (PFAS) in the Italian population
Science
6 Jul 2021 | Toxicology
The presence and prevalence of PFAS in hair were found to be correlated to geographic location.
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[News release] FDA Provides Update on Ongoing Efforts to Better Understand the Occurrence of PFAS in the Food Supply
News
30 Jun 2021 | FDA
The U.S. FDA is providing an update on its ongoing sampling and testing efforts designed better to understand the occurrence of PFAS in the food supply.
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FDA: Nearly all foods cleared for PFAS concerns
News
30 Jun 2021 | MedPage Today
Of the 94 samples tested, only cod had "detectable" levels of PFOS measured in parts per trillion -- at 98 ng/kg -- and PFNA at 233 ng/kg.
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Mixture effects of prenatal exposure to per- and polyfluoroalkyl substances and polybrominated diphenyl ethers on maternal and newborn telomere length.
Science
30 Jun 2021 | Environ Health
PFAS and PBDEs may be positively associated with newborn telomere length which can be associated with developmental issues.
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[Book Chapter] Fluorine Free Foams
Science
29 Jun 2021 | CRC Press
The objectives are to assist with transitioning to F3 foams by providing a summary of the properties and extinguishment accreditations achieved by multiple F3 foams and outline pragmatic approaches to adopting safer fire extinguishment systems based on F3 foams.
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Fluorine mass balance analysis of selected environmental samples from Norway
Science
29 Jun 2021 | Chemosphere
About 70% of extractable organic fluorine was not accounted for in the 37 PFAS monitored, which poses potential health and environmental hazard, as their composition remains primarily unknown.
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Assessment of regional and temporal trends in per- and polyfluoroalkyl substances using the Oriental Magpie (Pica serica) in Korea
Science
29 Jun 2021 | Sci Total Environ
Sex was a crucial physiological factor of PFAS accumulation in Magpies with PFOS, PFUnDA, and PFTrDA were predominant.
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Effects of gestational exposures to chemical mixtures on birth weight using Bayesian factor analysis in the Health Outcome and Measures of Environment (HOME) Study
Science
29 Jun 2021 | Environ Epidemiol
PFAS exposure was linked to lower birth weights.
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Per and poly-fluoroalkyl substances (PFAS) as a contaminant of emerging concern in surface water: A transboundary review of their occurrences and toxicity effects
Science
29 Jun 2021 | J Hazard Mater
Direct discharge and atmospheric deposition were identified as primary sources of PFAS in surface water and cryosphere, respectively.
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Cost of tackling PFAS pollution on US military bases expected to reach $2.1bn
News
28 Jun 2021 | Chemistry World
The Pentagon has identified 687 military installations that have known or suspected contamination by these fluorinated chemicals.
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Breastfeeding Initiation and Duration after High Exposure to PFAS through Contaminated Drinking Water: A Cohort Study from Ronneby, Sweden
Science
28 Jun 2021 | Nordic Council of Ministers
Exposure to high levels of PFAS was associated with increased risks of not initiating breastfeeding as well as with shorter breastfeeding duration.