Strategic Special Nuclear Material (SSNM) Law and Legal Definition

According to 10 CFR 26.5 [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 26 -- Fitness For Duty Programs; Subpart A -- Administrative Provisions], the term strategic special nuclear material (SSNM) means “uranium-235 (contained in uranium enriched to 20 percent or more in the uranium-235 isotope), uranium-233, or plutonium.”