EIG EURIDICE (European Underground Research Infrastructure for Disposal of nuclearwaste in a Clay Environment) is an Economic Interest Grouping, a joint venture between the Belgian Agency for Radioactive Waste and Enriched Fissile Materials (ONDRAF/NIRAS) and the Belgian Nuclear Research Centre (SCK•CEN). These two parties have joined forces to fulfil an important part oftheir common mission: to conduct research into the safety and feasibility of radioactive waste disposal.