a device for disposing of a contaminated suction tube connected to a storage container for glass - enclosed radioactive waste material by inserting the tube in the container for ultimate disposal with the container . the device consists of a metal sleeve that is mounted on the bottom wall of the container and extends upwardly into the container and an inner tube which slides in the sleeve . the suction tube is connected to the lower end of the inner tube . detachable connecting means , such as solder , fixes the inner tube and hence the suction tube to the sleeve until the glass filling operation is over . at this point the solder melts and the suction tube and inner tube are free to be inserted into the container by sliding the inner tube upwardly in the sleeve .