Showing 556-570 of 1398
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End-of-life circulation of PFAS in metal recycling streams: A sustainability-focused review
Science
1 May 2023 | Res. Cons. and Recycling
Many PFAS were detected in automobile shredder residue – the mixed material waste from vehicles at their end-of-life – with important implications for the circular economy and for PFAS contamination in landfills and wastewater.
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Occurrence and risk assessments of per-and polyfluoroalkyl substances in tea bags from India
Science
1 May 2023 | Food Control
PFOS, PFHxS, and PFuNA were abundantly present in tea bag materials and tea powder, with PFOS and PFHxS contributing to high levels of exposure.
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Association of Early Pregnancy Perfluoroalkyl and Polyfluoroalkyl Substance Exposure With Birth Outcomes
Science
1 May 2023 | JAMA Netw Open
Associations between blood PFOS and PFNA concentrations and lower birth weight, and between PFNA and preterm birth were noted only among mothers whose prenatal folic acid levels were low.
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Evidence of compost contamination with per- and polyfluoroalkyl substances (PFAS) from "compostable" food serviceware
Science
1 May 2023 | Biointerphases
Including compostable serviceware in compost likely contaminates the finished compost with PFAS – including PFOA – and threatens surrounding groundwater, surface waters, and crops.
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North Carolina residents urge UN to investigate toxic PFAS pollution
News
28 Apr 2023 | The Guardian
Chemical manufacturer Chemours accused of violating human rights by releasing ‘forever chemicals’ into Cape Fear River basin.
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Is PFAS pollution a human rights violation? These activists say yes
News
27 Apr 2023 | Grist
Activists in North Carolina allege that DuPont has for decades fouled Cape Fear River. They want the UN Human Rights Commission to hold it accountable.
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Lithium-ion battery recycling: a source of per- and polyfluoroalkyl substances (PFAS) to the environment?
Science
27 Apr 2023 | Environ. Sci: Process. Impacts.
This review highlights the need to further study emissions of fluorinated substances during lithium-ion battery recycling and suggests that substitution or treatment of PFAS-based materials is needed.
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Environmental Protection Agency ordering Chemours to address PFAS pollution
Policy
26 Apr 2023
The Environmental Protection Agency has announced that it’s taking action to address PFAS discharges from the Washington Works facility operated by Chemours.
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[Opinion] What Limits Will the World Health Organization Recommend for PFOA and PFOS in Drinking Water?
Science
26 Apr 2023 | Environ. Sci. Technol.
To support the work of public health agencies worldwide providing people with safe drinking water, the WHO guidance levels need to be updated to reflect scientific evidence.
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Impact of PFAS exposure on prevalence of immune-mediated diseases in adults in the Czech Republic
Science
26 Apr 2023 | Environ Res.
PFAS exposure was found to have some adverse immune effects, including an association of elevated PFOS levels in men with higher rates of eczema.
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Smouldering to treat PFAS in sewage sludge
Science
25 Apr 2023 | Waste Manage.
Smoldering combustion completely removed all 4-8 carbon chain length PFAS from sewage sludge under all conditions, though extremely high temperatures and the addition of CaO were needed to mineralize the PFAS completely.
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Association of perfluoroalkyl and polyfluoroalkyl substances with sex hormones in children and adolescents 6-19 Years of age
Science
23 Apr 2023 | Environ Pollut
Serum concentrations of individual PFAS and mixtures were associated with changes in developmental hormone levels.
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IDTechEx Examine the Use of PFAS as Low-Loss Materials for 5G Application
News
21 Apr 2023 | Yahoo Finance
But with certain members of the PFAS family, namely fluoropolymers like PTFE, being considered for next-gen 5G applications, how will this affect the low-loss materials market for 5G?
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Mechanistic Middle-Out Physiologically Based Toxicokinetic Modeling of Transporter-Dependent Disposition of Perfluorooctanoic Acid in Humans
Science
18 Apr 2023 | ES&T
A new model was developed to explain the persistence of PFOA in humans after both high-dose, acute and low-dose, chronic exposures.
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70 analyte PFAS test method highlights need for expanded testing of PFAS in drinking water
Science
17 Apr 2023 | Sci. Total Environ.
Unregulated Contaminant Monitoring Rule will likely underreport PFAS in drinking water due to existing methods’ limited coverage and higher minimum reporting limits. The most common PFAS present was PFPrA, a poorly studied and monitored short-chain PFAS.