CDL Hazardous Materials Endorsement (HME)Loading and Unloading Hazardous MaterialsMedium
Which of the following classes of hazardous materials is NEVER permitted to be loaded into or on a portable tank?
- AClass 2.1 Flammable Gas
- BDivision 1.1 Explosives
- CClass 8 Corrosive Material
- DClass 3 Flammable Liquid
Show answer & explanationAnswer & explanation
Correct answer: B. Division 1.1 Explosives
Division 1.1 explosives are extremely dangerous and are not permitted to be transported in portable tanks. Portable tanks are typically used for liquids or gases, not for solid explosives that require specific packaging and handling for stability.
Why the other options are wrong
- A. Class 2.1 Flammable Gases are commonly transported in portable tanks.
- C. Class 8 Corrosive Materials are commonly transported in portable tanks.
- D. Class 3 Flammable Liquids are commonly transported in portable tanks.
Prohibited HazMat in Portable Tanks
Certain hazardous materials, due to their extreme hazard or physical state, are never permitted for transport in portable tanks.
- Portable tanks are for liquids/gases.
- Division 1.1 explosives are prohibited.
- Ensures containment matches hazard level.
Memory trick: Portable tanks are for flow, not for things that go BOOM!