Showing 76-90 of 100
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Removal of eight perfluoroalkyl acids from aqueous solutions by aeration and duckweed
Science
19 May 2020 | Sci the Total Env
With duckweed, >95% of long chain PFAS at 200 ppb were removed after 2 weeks.
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Long-term investigation on the removal of perfluoroalkyl substances in a full-scale drinking water treatment plant in the Veneto Region, Italy
Science
12 May 2020 | Sci. of the Total Envir.
A granular activated carbon system was studied for five years in Italy to determine various PFAS breakthrough behaviors.
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Detecting toxic PFAS with a chip-sized sensor
News
22 Apr 2020 | Pacific Northwest National Laboratory (PHYS.org)
The device can provide real time, point-of-use measurement data for PFOS at 0.5 ppt and the research team is working to extend this technology to detect other PFAS including PFOA, PFBA, PFBS, and GenX.
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Communities Petition EPA to Regulate Hazardous PFAS Chemicals
Policy
16 Jan 2020
The Green Science Policy Institute is petitioning the EPA to list hundreds of PFAS (per- and polyfluorinated chemicals) as hazardous wastes under the Resource Conservation and Recovery Act (RCRA).
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[Conference Abstract] Identification of per- and polyfluorinated substances in food contact materials by mass spectrometric profiling
Science
30 Dec 2019 | DTU Orbit
A screening study of food contact materials was found to contain various PFAS, including PFBA, PFPeA, PFHxA, PFHpA, PFDA, and PFOA.
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Pollution Characteristics and Exposure Risk Assessment of Perfluoroalkyl Substances in Road Dust, Chengdu
Science
26 Dec 2019
PFAS was found in dust collected from local Chinese roadways putting children at risk of increased exposure.
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The short-chain perfluorinated compounds PFBS, PFHxS, PFBA and PFHxA, disrupt human mesenchymal stem cell self-renewal and adipogenic differentiation
Science
25 Dec 2019 | J Environ Sci (China).
PFBS, PFHxS, PFBA, and PFHxA were found to be cyto- and potentially developmentally toxic in human cells.
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Behavioural effects and bioconcentration of per- and polyfluoroalkyl substances (PFASs) in zebrafish (Danio rerio) embryos
Science
25 Dec 2019 | Chemosphere
PFAS exposure significantly disrupted zebrafish development.
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Bioaccumulation and human exposure of perfluoroalkyl acids (PFAAs) in vegetables from the largest vegetable production base of China
Science
10 Dec 2019 | Environ Int
PFAS found to bioaccumulate in vegetables leading to increased amounts in preschool-aged children.
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High trans-placental transfer of perfluoroalkyl substances alternatives in the matched maternal-cord blood serum: Evidence from a birth cohort study
Science
9 Dec 2019 | Sci. of the Tot. Env.
Short-chain PFAS found to cross the placental barrier at higher rates than long-chain PFAS.
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[Monitoring Data] Evaluation of Kentucky Community Drinking Water for Per- and Poly-Fluoroalkyl Substances (PFAS)
Science
22 Nov 2019
Monitoring data from sampling 74 public water systems for eight PFAS compounds in the state of Kentucky.
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[Public comment] Systematic review protocol for the PFBA, PFHxA, PFHxS, PFNA, and PFDA IRIS assessments
Policy
8 Nov 2019
The U.S. EPA is holding a 45-day public comment period for the systematic review protocol for the PFBA, PFHxA, PFHxS, PFNA, and PFDA IRIS assessments. Deadline: Monday, December 23, 2019.
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Closing the gap – inclusion of ultrashort-chain perfluoroalkyl carboxylic acids in the total oxidizable precursor (TOP) assay protocol
Science
30 Oct 2019 | Environ. Sci. Process & Impacts
An improved protocol for the total oxidizable precursor assay was developed for precursors of PFAS.
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PFAS Experts Symposium: Statements on regulatory policy, chemistry and analytics, toxicology, transport/fate, and remediation for per‐ and polyfluoroalkyl substances (PFAS) contamination issues
Science
23 Sep 2019 | Remediation
Sixty leading experts provide a consensus statement regarding issues concerning PFAS.
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Evaluation of perfluoroalkyl substances in field-cultivated vegetables
Science
16 Sep 2019 | Chemosphere
Different PFAS accumulate in various types of vegetables.