81.   In addition, the Energy Department said Friday that it had suspended all shipments of nuclear materials and nuclear waste because of the terrorist attacks.

82.   In another matter, Putin managed to engineer passage of legislation that put controls on the export of nuclear materials from Russia to Iran, the official said.

83.   In recent years, several middlemen peddling nuclear material stolen from the former Soviet Union have been arrested in Europe.

84.   In the past, the principal security concern was the theft of nuclear material, Albright said.

85.   Indeed, there were national security justifications for keeping the nuclear materials under federal control.

86.   Initially, some administration officials thought that the best thing would be for the Russians to take the nuclear material and put it under international safeguards.

87.   India and Pakistan should agree to refrain from missile deployments and to work with the U.S., Russia, and China to halt production of nuclear material.

88.   In the past, authorities here relied on a system of rewards for its nuclear elite and the iron grip of the Soviet state to protect nuclear materials.

89.   In the past, Russia has agreed to accept some nuclear material from Kazakhstan.

90.   Iranian officials argue that the Bushehr complex will house two light-water reactors incapable of producing much usable nuclear material for bomb building.