Twenty years later – Atrazine concentrations in selected coastal waters of the Mediterranean and the Baltic Sea
2013
Despite its EU-wide ban in 2004 the triazine herbicide atrazine (ATR) and its transformation products (TPs) are frequently detected in the aqueous environment. In this study, concentrations of ATR, two of its TPs, and terbuthylazine (TERB) are presented and discussed in coastal waters of the Northern Aegean Sea, the Dardanelles, the Baltic Sea (Germany), the Northern Adriatic Sea (Italy), and the coastline close to Barcelona (Spain). The water samples (n=132) were taken in 2009–2011. Sediment samples (n=7) were taken from Baltic Sea (Germany) and Thermaikos Gulf (Greece). Maximum ATR concentrations (31–41ngL−1) were detected in Istanbul and the Dardanelles. A concentration gradient from East to West in the Aegean Sea was observed, indicating ongoing ATR contamination via the Dardanelles. Low concentrations and detection frequencies were observed at the other locations, indicating the success of the prohibition. However, the presence of TERB in the Northern Adriatic Sea raises concern.
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