#research #nuclear/power #nuclear/nonproliferation See also: [[Yellowcake]] # Special Nuclear Material Motivation: Just filling in gaps in here. ## What is special Nuclear Material (SNM)? Special nuclear Material (SNM) is defined by Title I of the Atomic energy Act of 1954 as: - Plutonium - Uranium-233 - Uranium enriched in the isotope Uranium-235 by 20% or more. [^1] [^1]: NERS 535 lecture notes SNM is of interested in nuclear nonproliferation applications because is used in the production of nuclear explosives