BaSaR water article

Emissions from building materials – a threat for the environment?

In this paper, we show the extent of emissions induced by rain events in two study sites in Berlin.

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A large variety of substances are used in building materials to improve their properties. In this project, stormwater runoff from roofs, façades, and in storm sewers was sampled and analysed over a period of 1.5 years in two residential catchments. Results show that, in particular, the biocides diuron and terbutryn from façades, the root protection agents mecoprop and MCPA in bituminous sheeting, and zinc from roofs and façades reach concentrations in the stormwater sewer that exceed limit values for surface waters.

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