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• W4220777320 endingPage "965" @default.
• W4220777320 startingPage "953" @default.
• W4220777320 abstract "Abstract The present study investigated the occurrence and distribution of polycyclic aromatic hydrocarbons (PAHs) and phenolic endocrine‐disrupting compounds (PEDCs), including bisphenol A (BPA), 4‐nonylphenol (4‐NP), and its monoethoxylate (NP1EO) and diethoxylate precursors in marine sediments in an Arctic fjord (Svalbard, Norway). The contribution of different local sources of contamination was also evaluated, together with a risk assessment for the marine environment. Samples were collected during two consecutive summer seasons (2018 and 2019), and target contaminants were analyzed with gas chromatography–mass spectrometry (MS) and high‐performance liquid chromatography–MS/MS. The results showed no statistical differences between total PAH concentrations measured in 2018 (mean value 53.7 ± 54.3 ng/g) and 2019 (mean value 58.1 ± 63.6 ng/g). Low‐ring (three or four rings) PAHs were the most abundant congeners, and single PAH ratios indicated a predominance of petrogenic sources (i.e., coal and liquid fossil fuel combustion). Nonylphenols and BPA showed a significant decrease in 2019 compared to 2018; 4‐NP and NP1EO prevailed in both years, particularly in sediments close to the Ny‐Ålesund research village. Overall, the results indicate that local anthropic activities are the major source of contamination in the Kongsfjorden ecosystem, but also melting waters from glaciers in the summer season can play an important role as a secondary source of pollutants previously trapped in ice. Comparison between our data and empirical and mechanistic indices derived from sediment quality guidelines suggests that the occurrence of PAHs and PEDCs in sediments does not currently pose a risk for this Arctic ecosystem, but further investigation is needed on the spread of hazardous contaminants and their effects on these fragile environments. Environ Toxicol Chem 2023;42:953–965. SETAC" @default.
• W4220777320 created "2022-04-03" @default.
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• W4220777320 date "2022-05-03" @default.
• W4220777320 modified "2023-10-01" @default.
• W4220777320 title "Priority Organic Pollutants and Endocrine‐Disrupting Compounds in Arctic Marine Sediments (Svalbard Islands, Norway)" @default.
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• W4220777320 doi "https://doi.org/10.1002/etc.5334" @default.
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