Class 1 Explosives
Class 1: Explosives
Information on this graphic changes depending on which, "Division" of explosive is shipped. Explosive Dangerous Goods have compatibility group letters assigned to facilitate segregation during transport. The letters used range from A to S excluding the letters I, M, O, P, Q and R. The example above shows an explosive with a compatibility group "A" (shown as 1.1A). The actual letter shown would depend on the specific properties of the substance being transported.
For example, the Canadian Transportation of Dangerous Goods Regulations provides a description of compatibility groups.
1.1 Explosives with a mass explosion hazard
Ex: TNT, dynamite, nitroglycerine.
1.2 Explosives with a severe projection hazard.
1.3 Explosives with a fire, blast or projection hazard but not a mass explosion hazard.
1.4 Minor fire or projection hazard (includes ammunition and most consumer fireworks).
1.5 An insensitive substance with a mass explosion hazard (explosion similar to 1.1)
1.6 Extremely insensitive articles.
The United States Department of Transportation (DOT) regulates hazmat transportation within the territory of the US.
1.1 — Explosives with a mass explosion hazard. (nitroglycerin/dynamite)
1.2 — Explosives with a blast/projection hazard.
1.3 — Explosives with a minor blast hazard. (rocket propellant, display fireworks)
1.4 — Explosives with a major fire hazard. (consumer fireworks, ammunition)
1.5 — Blasting agents.
1.6 — Extremely insensitive explosives.
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Hazardous Materials |
Class 1: Explosives |
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Hazardous Materials |
Class 1.1: Explosives |
Mass Explosion Hazard |
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Hazardous Materials |
Class 1.2: Explosives |
Blast/Projection Hazard |
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Hazardous Materials |
Class 1.3: Explosives |
Minor Blast Hazard |
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Hazardous Materials |
Class 1.4: Explosives |
Major Fire Hazard |
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Hazardous Materials |
Class 1.5: Blasting Agents |
Blasting Agents |
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Extremely Insensitive Explosives
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Hazardous Materials |
Class 1.6: Explosives |
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