Final answer:
The DOT hazard class for explosives is Class 1, which includes materials with explosive properties and is categorized into several subclasses based on specific types of explosive hazards.
Step-by-step explanation:
The DOT hazard class that includes explosives is Class 1. The Department of Transportation (DOT) categorizes hazardous materials into nine classes for regulatory purposes, with each class representing a different type of risk. Class 1 materials are those with explosive properties, posing significant risks such as mass explosion hazards, projection hazards, and fire hazards if not properly handled or transported.
For instance, fireworks, ammunition, and dynamite are examples of materials that would be classified under Class 1: Explosives. Each subclass within this hazard class is further categorized based on the specific type of explosive hazard. For safety during transportation, it's essential for shippers and carriers to properly classify, package, label, and document hazardous materials according to the DOT's regulations.