Usually the containers with the sources are placed in 200 l barrels which are filled with concrete. Liquid waste is collected in one of the sections of the new vault in a 8 m 3 vessel. It is foreseen to use it for utilizing the solid waste. The old vaults for solid waste contain the main quantities of radioactive waste, disposed since 1962. There is a computer data base developed in Baldone for all the waste disposed.
Interim storage is carried out for different kind of sources.
For better understanding, it has to be noted that information covers 35 years of operation and the number of records exceeds 30 thousands. Usually a better situation is with spent sealed sources. Corrections of historical information remains a task for future, it regards, for example, sources with plutonium. Unfortunately, in former Soviet Union, the isotopic content for such sources were usually not provided in technical specifications . There were also some activities at the Nuclear Research Center and at the other facilities, but due to unavailability of classified information, we cannot make correct assumptions on defense related waste from this facility, for this reason, such data are not included in this abstract.