Occurrence and behavior of per- and polyfluoroalkyl substances and conversion of oxidizable precursors in the waters of coastal tourist resorts in China

Cao, Xuezhi; Xin, Shuhan; Liu, X.X.; Wang, S.L.

doi:10.1016/j.envpol.2022.120460

Cited by 3 publications

(3 citation statements)

References 61 publications

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“…Other studies on PFASs in freshwater fishes have been conducted, but very few have focused on the species selected in the present work. PFASs were never assessed in P. clarkii , while C. auratus was studied only in Chinese ecosystems [ 43 , 44 ].…”

Section: Resultsmentioning

confidence: 99%

Exploring Perfluoroalkyl Substances (PFASs) in Aquatic Fauna of Lake Trasimeno (Italy): Insights from a Low-Anthropized Area

Stecconi,

Stramenga,

Tavoloni

et al. 2024

Toxics

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This study investigated the concentrations and profiles of 19 perfluoroalkyl substances (PFASs) in the muscle and liver of four freshwater species from Lake Trasimeno (Italy): Anguilla anguilla (European eel), Carassius auratus (goldfish), Perca fluviatilis (European perch), and Procambarus clarkii (red swamp crayfish). In livers, the amount of PFASs ranged from 3.1 to 10 µg kg⁻¹, significantly higher than that in muscle (0.032–1.7 µg kg⁻¹). The predominant PFASs were perfluorooctane sulfonic acid (PFOS) and long-chain carboxylic acids (C8-C14). Short-chain compounds (C4-C5), as well as the long-chain sulfonic acids (C9-C12), were not quantified. The contamination patterns were similar among species with few differences, suggesting the influence of species-specific accumulation. The PFAS concentrations in livers were comparable among species, while in muscle, the higher values were measured in European eel, followed by goldfish, European perch, and red swamp crayfish. The levels were generally lower than those reported for fish from Northern Italian lakes and rivers. The concentrations of regulated PFASs were lower than the maximum limits set by Regulation EU 2023/915 and did not exceed the Environmental Quality Standards (PFOS in biota). This study provides the first valuable insights on PFASs in freshwater species from Lake Trasimeno.

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Section: Resultsmentioning

confidence: 99%

Exploring Perfluoroalkyl Substances (PFASs) in Aquatic Fauna of Lake Trasimeno (Italy): Insights from a Low-Anthropized Area

Stecconi,

Stramenga,

Tavoloni

et al. 2024

Toxics

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“…3 Fluorotelomer alcohols (FTOHs) are important precursors in the formation of several terminal ionic PFAS (iPFAS) found in the environment and human tissues. 4,5 Understanding the sources and occurrence of FTOHs is essential for elucidating the fate and health risks of PFAS. 6,7 However, methods for the analysis of neutral PFAS (nPFAS) precursors are often different from those of iPFAS.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Per- and polyfluoroalkyl substances (PFAS) comprise a diverse array of thousands of anthropogenic chemicals, which received considerable attention due to their persistence, ubiquitous environmental occurrence, and potential adverse effects on human health and ecosystems. , PFAS exhibit remarkable stability, chemical resistance, and surfactant properties, which led to their widespread use in industrial and consumer applications . Fluorotelomer alcohols (FTOHs) are important precursors in the formation of several terminal ionic PFAS (iPFAS) found in the environment and human tissues. , Understanding the sources and occurrence of FTOHs is essential for elucidating the fate and health risks of PFAS. , However, methods for the analysis of neutral PFAS (nPFAS) precursors are often different from those of iPFAS. nPFAS precursors, including FTOHs, n -alkylated perfluorooctanesulfonamides (FOSAs), polyfluoroalkyl phosphate esters (PAPs), and fluorotelomer sulfonates (FTSs), can transform into terminal ionic PFAS in human bodies and the environment. − Owing to their widespread use in consumer products, the precursors are expected to be prevalent in environmental matrices .…”

Section: Introductionmentioning

confidence: 99%

A Simple and Sensitive Method for Simultaneous Analysis of 58 Neutral and Ionic PFAS Using UPLC-MS/MS

Li,

Kannan

2024

Environ. Sci. Technol. Lett.

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Analysis of neutral and ionic per- and polyfluoroalkyl substances (PFAS) required two discrete techniques- with methods based on gas chromatography–mass spectrometry (GC-MS) for the former and ultrahigh performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) for the latter. In this study, we developed a method for simultaneous analysis of 58 neutral and ionic PFAS in environmental samples, obviating the need for distinct extraction and instrumental methods. The UPLC-MS/MS method was optimized and validated for sensitivity, selectivity, linearity, precision, and accuracy. The instrumental detection limits for fluorotelomer alcohols (FTOHs) ranged from 0.08 to 0.50 pg on the column. Select environmental samples, including food packaging, indoor dust, roadside soil, polyurethane foam, carpet, and consumer products, were analyzed. The highest concentrations of polyfluoroalkyl phosphates (Σ6PAPs, 650 ± 910 ng/g) and fluorotelomer sulfonates (Σ4FTSs, 36 ± 51 ng/g) were found in indoor dust, whereas Σ5FTOHs (81 ± 69 ng/g) were found in carpet. Emerging PFAS, including F-53B, ADONA, and Gen-X, were found at sub ng/g concentrations. Hydrogen-substituted polyfluorocarboxylates (H-PFCAs), such as 7H-PFHpA, were found at concentrations of up to 4 ng/g in indoor dust. This method can expedite the analysis of neutral PFAS precursors, including FTOHs, PAPs, and FTSs along with legacy iPFAS in environmental samples.

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Per- and polyfluoroalkyl substances (PFASs) in Chinese surface water: Temporal trends and geographical distribution

Wang,

Shen,

Zhang

et al. 2024

Science of The Total Environment

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Occurrence and behavior of per- and polyfluoroalkyl substances and conversion of oxidizable precursors in the waters of coastal tourist resorts in China

Cited by 3 publications

References 61 publications

Exploring Perfluoroalkyl Substances (PFASs) in Aquatic Fauna of Lake Trasimeno (Italy): Insights from a Low-Anthropized Area

Exploring Perfluoroalkyl Substances (PFASs) in Aquatic Fauna of Lake Trasimeno (Italy): Insights from a Low-Anthropized Area

A Simple and Sensitive Method for Simultaneous Analysis of 58 Neutral and Ionic PFAS Using UPLC-MS/MS

Per- and polyfluoroalkyl substances (PFASs) in Chinese surface water: Temporal trends and geographical distribution

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