Definitions.
CFR · 2024-01-01 · US · Title 6
As used in this part: (1) Release (including toxic, flammable, and explosive); (2) Theft and diversion (including chemical weapons and chemical weapons precursors, weapons of mass effect, and explosives and improvised explosive device precursors); (3) Sabotage and contamination; and (4) Critical to government mission and national economy.
official document · source cfr-2024 · id 6:§ 27.105