Direct ultimate waste disposal means that the entire fuel elementArrangement of a number of fuel rods into which the nuclear ... including the valuable substances uraniumNatural radioactive element with the atomic number 92. The n... and plutoniumPlutonium - the 94th element in the classification of elemen... is disposed of as radionuclideUnstable nuclide spontaneously decaying without external eff... waste following interim storage to allow decayThe spontaneous conversion of a nuclide into another nuclide... of the short-lived radionuclidesThe Radiological Protection Ordinance defines radioactive su... and a related reduction in the heat generation. In a conditioning plant, the fuelSee 'nuclear fuel'. elements are dismantled, packed in special drums suitable for ultimate disposal before being stored as radioactive waste in a repository.