Fig. 3From: Under the influence of regulations: spatio-temporal trends of the UV filter 2-Ethylhexyl-4-methoxycinnamate (EHMC) in German riversa–h Temporal trends for EHMC in annual SPM samples from eight sampling sites. ● measured value (ng/g dw); ○ measured value < LOQ (ng/g dw); ––– LOESS Smoother; — linear trendBack to article page