2. 3. 3. Limits for heavy metals

description relevant product categories 


A number of heavy metals are toxic even in small concentrations (e.g. arsenic, lead, cadmium, chromium and mercury). These heavy metals are not degradable and may accumulate in the food chain.


Heavy metals may be found in paints and coatings, especially as pigments or siccatives (drying agents). Heavy metal in flooring may be released as a result of abrasion.

minimum requirement

Coatings must be free from compounds that contain arsenic, lead, cadmium, chromium (VI) or mercury. Any impurities must not exceed 0.005% by weight (50 ppm). In the case of arsenic, the maximum admissible content is 0.001% by weight (10 ppm), and in the case of cadmium and mercury, it is 0.0002% by weight (2 ppm).

Supporting documents:
Safety data sheet in accordance with Regulation (EC) No 1907/2006 as amended by Regulation (EU) No 453/2010, or manufacturer's confirmation.

All products bearing one of the following organic labels meet these criteria:


Alternatively, the corresponding baubook declaration may serve as evidence (www.baubook.info/oea).

background, sources

baubook green procurement
Harmonised “EcoBuildingCriteria” provided by “ÖkoKauf Wien” and “service package sustainable construction in Vorarlberg”