Maps showing the distribution of 20 chemical elements of mainly geogenic origin in the Swiss top soil layers have been established. They are essential for the management of soil affected by geogenic pollution.
Together with the Federal Office for Agriculture (FOAG), the FOEN operates a national soil pollution monitoring network (NABO).
The precautionary principle has absolute priority in soil protection.
Soil is a limited, ecologically and economically valuable non-renewable resource.
