Laboratory for Waste Management (LES)

LES is the Swiss competence center for geochemistry and multi scale radionuclide and mass transport in argillaceous rocks and cement and their applications to deep geological systems and Swiss radioactive waste repositories.


Paul Scherrer Institut
Laboratory for Waste Management
5232 Villigen PSI

Beatrice Gschwend
Telephone: +41 56 310 24 17
E-mail: beatrice.gschwend@psi.ch

Homepage NES

Nuclear Energy and Safety Research Department at PSI

Intranet LES

Access for LES only