Federal rules say some hazardous materials must stay dry while they are loaded, hauled, and unloaded. Which of these hazard classes includes such materials?

Answer options

Why

Class 4 includes Division 4.3, materials labeled DANGEROUS WHEN WET because contact with water can make them give off flammable gas or ignite. Potassium metal is one example, and because of this reaction such materials must stay dry from loading through unloading.

About this question

Topic: Hazardous materials   License: CDL

Part of these practice sets:

• Loading and Unloading HazMat

Where it applies: Asked in every state.

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