What is dot hazard 1 division 3?

DOT Hazard Class 1 Division 3 refers to a category of explosives that are classified as "Explosives, Mass Explosion Hazard," specifically those that have a low probability of mass detonation but can still present a significant risk. These materials are capable of producing a powerful explosion but are designed to be stable under normal conditions. Examples include certain types of fireworks and some low-order explosives. Proper handling, storage, and transportation regulations are critical to ensure safety when dealing with these materials.