Organotin compounds in seawater and Mytilus galloprovincialis mussels along the Croatian Adriatic Coast

Furdek, Martina; Vahčič, Mitja; Ščančar, Janez; Milačič, Radmila; Kniewald, Goran; Mikac, Nevenka

Organotin compounds in seawater and Mytilus galloprovincialis mussels along the Croatian Adriatic Coast

2012

In this work, data on the level of organotin compounds (OTCs) in seawater and mussels collected along the entire Croatian Adriatic Coast are presented. The samples were collected in 2009 and 2010 at 48 locations representing different levels of maritime activities, including marinas, ports and reference sites. Butyltins (BuTs) were found in all analyzed samples, representing >97% of OTCs, and ranged from 0.46 to 27.98ngSnL⁻¹ in seawater and from <6 to 1675ngSng⁻¹ in mussels. The results indicate a recent input of TBT, with the highest concentrations of BuTs found in the marinas. It appears that the Adriatic coast is still polluted with TBT despite the fact that TBT-containing antifouling paints have been banned in Croatia since 2008. It is questionable how much TBT pollution decreased since 2005, when a high incidence of imposex was established in the same area.

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