I. Class A explosives or so-called dangerous explosives shall include: ammunition for cannon with explosive projectile; explosive projectiles; explosive grenades; explosive bombs; explosive mines; explosive torpedoes; rocket ammunition; chemical ammunition; explosive boosters; jet thrust units (JATO), class A; detonating primers; detonating fuses, boosters, or other detonating fuse parts containing an explosive; cartridge bags empty, with black powder igniters; percussion, tracer, combination time fuses and tracers; nitroglycerine blasting caps and electric blasting caps in quantity exceeding 1,000 caps in the aggregate; dynamite; T.N.T. (trinitrotoluene); fulminate of mercury; ammonia nitrate, when stored with, transported with, or used with explosives, or with any substance which, when mixed with ammonium nitrate, creates an explosive; or any substance highly susceptible to detonation or otherwise of a maximum hazard.
II. Class B explosives or so-called flammable hazards shall include: ammunition for cannon with empty projectiles, inert loaded projectiles, solid projectiles, or without projectiles or shell; rocket ammunition; jet thrust units (JATO), Class B; or any other substance highly susceptible to detonation.
III. Class C explosives or so-called minimum hazards shall include: explosives cable cutters; empty grenades, primed; explosive rivets; blasting caps and electric blasting caps, not exceeding 1,000 caps; smokeless powder; small arms ammunition; igniters; delay igniters or fuse lighters; ammunition for cannon; ammunition for small arms with explosive bullets or explosive projectiles; black powder; primers.