As a result of this project, fundamental lessons were learned concerning the existing potential hazard of non-metallic materials in Russian space stations. The results of the TOXI project offer an insight into the methods of the CIS, which are applied while taking into account the potential hazard for the selection of non-metallic materials. (orig./RHM)SIGLEAvailable from TIB Hannover: F96B32+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman