Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 9, Issue 5, Pages 327-332Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/BF02987576
Keywords
antifouling booster biocides; chlorothalonil; dichlofluanid; irgarol 1051; sea-nine 211
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Since the restriction imposed by European Union regulations on the use of TBT-based antifouling paints on boats below 25 in in length, new terms have been introduced in the 'small boat' market. Replacement products are generally based on copper metal oxides and organic biocides. Several studies have demonstrated the presence of these biocides in European ports and marinas of Spain, France, Germany and the United Kingdom. An extended survey of the antifouling biocides chlorothalonil, dichlofluanid, irgarol 1051 and sea-nine 211 was carried out in Greek ports and marinas of high boating activities from October 1999 to September 2000. The sampling sites were: Piraeus, Elefsina, Thessaloniki, Patras, Chalkida, Igoumenitsa, and Preveza (Aktio). The extraction of these compounds from the seawater samples was performed off-line with C-18 solid phase extraction (SPE) disks while the determination was carried out with gas chromatography coupled to electron capture (ECD), thermionic (FTD) and mass spectroscopy (MS) detectors. The concentration levels of biocides were higher during the period from April to October. This seasonal impact depends on the application time of antifouling paints and mimic trends in the seasonal distribution of biocides in other European sites.
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