4. The classification into hazardous and non-hazardous waste is based on the system for the classification and labelling of dangerous substances and preparations, which ensures the application of similar principles over their whole life cycle.
La classification en déchets dangereux et non dangereux se fonde sur la classification et l &apos; étiquetage des substances et préparations dangereuses, ce qui garantit l &apos; application de principes similaires sur la totalité du cycle de vie.