Erratum to: Environ Sci Pollut Res

DOI 10.1007/s11356-009-0179-4

Unfortunately, the first part of fig. 2 was published with an error. The correct version of the first part is given here.

Fig. 2
figure 2

Selective ion chromatograms of quantification ions m/z 119 for 1H-BT, m/z 104 for 5Me-BT and 4Me-BT, and m/z 118 for surrogate standard (5,6-dimethyl-1H-benzotriazole-monohydrate) resulted from the SPE/GC-MC analysis of a river water extract taken from Hengstbach River with signals for BT and retention times (in minutes)