1.1
1
The symbol for a mass detonation hazard using the USAF system is an orange octagon with the #1 in the center. This differs from the other three fire symbols.
1.3
Aerial flares are classified as DOT Class 1.4G explosives. This classification indicates that they are regarded as "minor explosive devices" that pose a low risk, primarily used in signaling and distress situations. While they can create a fire hazard, they are designed to minimize the potential for a mass detonation.
Class 3
A non-mass explosion fragment producing hazard class/division is typically classified as either Class 1.4 or Division 1.4.
3
Division 1.1 of class 1 explosives has a mass explosion hazard, which means they can produce a large explosion. These substances are extremely dangerous and can cause widespread devastation.
1.2
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.
Hazard Class 3
Class 1 materials are explosives.Materials that have an explosive hazard are in Hazard Class 1.