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Flawed risk assessment of antifouling paints leads to exceedance of guideline values in Baltic Sea marinas by Lagerström, Maria; Ferreira, João; Ytreberg, Erik; Eriksson-Wiklund, Ann-Kristin is a Environmental Science article available to read on EtoBox.

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The seasonal variations of dissolved and bioavailable copper (Cu) and zinc (Zn) were studied in two recreational marinas in Sweden and Finland. The time series from the two marinas were characterized by rising concentrations during the spring boat launching, elevated concentrations all through the peak boating season, and decreasing concentrations in autumn when boats were retrieved for winter storage. This pattern shows a clear link between Cu and Zn concentrations and boating activity, with antifouling paints as the principal source. The leaching from antifouling paints was also found to significantly alter the speciation of dissolved Cu and Zn in marina waters, with an increase of the proportion of metals that may be considered bioavailable. This change in speciation, which occurred without any change in dissolved organic carbon (DOC), further increases the environmental risk posed by antifouling paints. In the Swedish marina, dissolved Cu and Zn exceed both Environmental Quality Standards (EQS) and Predicted No Effect Concentrations (PNEC), indicating that the current Swedish risk assessment (RA) of antifouling paints is failing to adequately protect the marine environment. An

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Author

Lagerström, Maria; Ferreira, João; Ytreberg, Erik; Eriksson-Wiklund, Ann-Kristin

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Publons; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0944-1344)

Published

2020

Language

EN

Field

Environmental Science (Physical Sciences)