Pages • 2
Uranium/ Special Nuclear Material Essay Preview: Uranium/ Special Nuclear Material Report this essay SPECIAL NUCLEAR MATERIA L “Special nuclear material” (SNM) is defined by Title I of the Atomic Energy Act of 1954 as plutonium, uranium-233, or uranium enriched in the isotopes uranium-233 or uranium-235. In 1789, Uranium was discovered in the mineral called pitchblende,.