Scarlett Biselli

Concentrations of the antifouling compound Irgarol 1051 and of organotins in water and sediments of German North and Baltic Sea marinas

Abstract A survey of 2-methylthio-4-tert-butylamino-6-cyclopropylamino-s-triazine (Irgarol 1051) and organotins, used as biocides in antifouling paints, was carried out in German marinas of the North and Baltic Sea. Highest levels of the s-triazine herbicide were found in Baltic Sea marinas where water exchange was restricted (water up to 440 ng/l; sediment about 220 ng/g dry weight), while in the North Sea marinas with higher water exchange rates lower concentrations were encountered (water 11–170 ng/l; sediment 3–25 ng/g dry weight). Although the application of the antifouling agent tributyltin (TBT) was banned for small vessels (

Chlorostyrenes in fish and sediment samples from the river Elbe

Chlorinated styrenes were identified in fish (bream) and sediment samples from the river Elbe. Four hexachlorostyrenes, four heptachlorostyrenes (concentrations in fish 1-10 ng/g wet weight) and octachlorostyrene (10-45 ng/g wet weight) were analysed. The gas chromatographic retention times and the electron impact (EI) mass spectra of the respective hepta- and hexachloro congeners found in the environment as well as those of some synthesised compounds are presented and discussed. The comparison of the chromatograms from the samples in the upper part of the river with those from the estuary revealed a possible difference in the pattern of chlorostyrenes.

Results of non target screening of lipophilic organic pollutants in the German Bight III: Identification and quantification of 2,5-dichloroaniline

Abstract The presence of 2,5-dichloroaniline in estuarine and marine waters is reported. A method for the quantification is described and the results of the quantification in water from the North Sea are given for 1990 and 1995. The concentrations reach from