[ASME ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management - Brussels, Belgium (Sunday 8 September 2013)] Volume 1: Low/Intermediate-Level Radioactive Waste Management; Spent Fuel, Fissile Material, Transuranic and High-Level Radioactive Waste Management - Building Flexibility Into the Design of a Pilot Plant for the Immobilisation of Pu Containing Residues and Wastes