Showing 1606-1620 of 1718
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[REPORT] Initiatives to Evaluate the Presence of PFAS in Municipal Wastewater and Associated Residuals (Sludge/Biosolids) in Michigan
Science
24 Jun 2020 | EGLE
This report provides a summary of the status and findings of the Industrial Pretreatment Program PFAS Initiative and an evaluation of 42 municipal WWTPs for the presence of PFAS in influents, effluents, and associated residuals (sludge/biosolids) generated at the facilities.
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Another Pathway for Firefighter Exposure to Per- and Polyfluoroalkyl Substances: Firefighter Textiles
Science
23 Jun 2020 | ES&TL
Textiles used as firefighter turnout gear were found to have high levels of total fluorine, and individual PFAS were identified and measured on new and used firefighting turnout gear.
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[Webinar] Symposium: Science Gaps for Risk Assessment of PFAS in Food
Events
23 Jun 2020
ILSI North America will be hosting a webinar concerning the status and challenges of PFAS detection and analysis, exposure routes, and toxicity mechanisms in foods and ingredients.
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[Webinar] PFAS "the Forever Chemicals" Contamination in the Great Lakes Basin – A Strategic Discussion on Further Steps Around Binational Citizen Action
Events
22 Jun 2020
Bi-national work in the Great Lakes Basin has achieved benefits in the past and this interactive webinar will explore the opportunities to work bi-nationally to protect the Great Lakes from PFAS Contamination.
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Temporal and spatial analysis of per and polyfluoroalkyl substances in surface waters of Houston ship channel following a large-scale industrial fire incident
Science
16 Jun 2020 | Env. Poll.
This work documents the impact of a large-scale industrial fire on the environmental levels of PFAS, establishes a baseline concentration of PFAS in the affected area, and highlights the critical need for the development of PFAS water quality standards.
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Characterisation of human exposure pathways to perfluorinated compounds — Comparing exposure estimates with biomarkers of exposure
Science
16 Jun 2020 | Environ. Intern.
Significant positive associations between concentrations of PFAS in house dust and the corresponding serum concentrations underline the importance of the indoor environment as an exposure pathway for PFAS.
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Spatiotemporal variations, sources and health risk assessment of perfluoroalkyl substances in a temperate bay adjacent to metropolis, North China
Science
16 Jun 2020 | Env. Poll.
Terrigenous input, tide, and rainfall affected the spatiotemporal variation of PFAS levels.
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Pharmacokinetic profile of Perfluorobutane Sulfonate and activation of hepatic nuclear receptor target genes in mice
Science
16 Jun 2020 | Toxicology
PFBS was found to have a short half-life in mice and induce an acute response to the chemical at a high dose.
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Review on perfluoroalkyl and polyfluoroalkyl substances (PFASs) in the Chinese atmospheric environment
Science
16 Jun 2020 | Sci. Total Environ.
This review documented twenty-eight studies on PFASs in Chinese outdoor air published to date. Methods of sampling, extraction, cleanup, and instrumental analysis were summarized for both ionic and neutral PFASs.
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Levels of Perfluoroalkyl Acids (PFAAs) in Human Serum, Hair and Nails in Guangdong Province, China: Implications for Exploring the Ideal Bio-Indicator
Science
11 Jun 2020 | Arch. Environ. Contam. Toxicol.
Significant positive correlations were observed between nail and serum for PFOS, PFOA, and PFHxS, suggesting that human nails are a promising bio-indicator for PFAS risk assessment.
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Nontargeted mass-spectral detection of chloroperfluoropolyether carboxylates in New Jersey soils
Science
10 Jun 2020 | Science
The historical legacy-PFAS fingerprint for sources in New Jersey was developed.
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In Vivo Generation of PFOA, PFOS, and Other Compounds From Cationic and Zwitterionic Per- And Polyfluoroalkyl Substances in a Terrestrial Invertebrate (Lumbricus terrestris)
Science
10 Jun 2020 | ES&T
Earthworms were found to only partially breakdown PFAS indicating that not all fluorinated compounds can be broken down by enzymes.
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Biomonitoring of PFOA, PFOS and PNFNA in human milk from Czech Republic, time trends and estimation of infant’s daily intake
Science
10 Jun 2020 | Env. Res.
PFASs analyzed in human milk samples and compared with intake with provisional Tolerable Weekly Intake levels showed an increased risk for infants.
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Total oxidizable precursor assay in the determination of perfluoroalkyl acids in textiles collected from the United States
Science
10 Jun 2020 | Env. Poll.
PFCA precursors were found in textiles.
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Per- and poly-fluoroalkyl substances (PFAS) current status and research needs
Science
10 Jun 2020 | Environ. Tech. & Inn.
This paper is intended to capture the shared information, comments, and current thinking related to PFAS challenges and research needs as identified by the group of expert participants; the write up is not intended to be a complete dissertation on the science and work that has been carried out.