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Assessment of native and alkylated polycyclic aromatic hydrocarbons (PAHs) in sediments and mussels (Mytilus spp.) in the southern Baltic Sea

Abstract

Native and alkylated polycyclic aromatic hydrocarbons (PAHs) were investigated in whole and fine grain (F < 63 µm) sediment fractions and mussels in the southern Baltic Sea. Both, sediments and mussels, showed spatial differences in PAH levels and profiles. In whole sediments, mean concentrations of Ʃ16PAHs, ƩaPAHs, and ƩPAHs reached up to 1537, 415, and 1952 ng g-1 dry weight (dw), respectively, in mussels up to 235, 143, and 325 ng g-1 dw, respectively, depending on location. ƩaPAHs made up to 36 % of ƩPAHs in whole sediments and up to 55 % in some mussels in the Gulf of Gdańsk. The PAHs affiliation with the sediment F < 63 µm differed depending on PAH compound and season. Analysis of PAH sources was done by PCA and the ratios of specific compounds concentrations. The sediment and mussels PAH levels evaluated against environmental quality criteria indicated no risk related to PAHs occurrence in the study area.

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Publication details

The article was received on 22 Aug 2018, accepted on 07 Jan 2019 and first published on 08 Jan 2019


Article type: Paper
DOI: 10.1039/C8EM00384J
Citation: Environ. Sci.: Processes Impacts, 2019, Accepted Manuscript
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    Assessment of native and alkylated polycyclic aromatic hydrocarbons (PAHs) in sediments and mussels (Mytilus spp.) in the southern Baltic Sea

    I. Waszak, H. Dabrowska and J. Warzocha, Environ. Sci.: Processes Impacts, 2019, Accepted Manuscript , DOI: 10.1039/C8EM00384J

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