In this chapter:
((1)) The term “weapon of mass destruction” means any weapon or device that is intended, or has the capability, to cause death or serious bodily injury to a significant number of people through the release, dissemination, or impact of—
((A)) toxic or poisonous chemicals or their precursors;
((B)) a disease organism; or
((C)) radiation or radioactivity.
((2)) The term “independent states of the former Soviet Union” has the meaning given that term in .
((3)) The term “highly enriched uranium” means uranium enriched to 20 percent or more in the isotope U–235.