Which classification identifies materials that are reactive during hazardous materials incidents?

The classification that identifies materials that are reactive during hazardous materials incidents is "Reactive hazards." This classification is crucial because reactive materials can undergo violent reactions when they come into contact with certain substances, including air, water, or other chemicals. Understanding reactive hazards is essential for peace officers involved in hazardous materials incidents, as it helps them assess the potential risks and take appropriate safety measures.

Reactive hazards are defined by their propensity to undergo chemical reactions that can lead to explosions, the release of toxic gases, and other dangerous scenarios. This classification alerts responders to the need for specific precautions when handling or approaching these materials, ensuring both safety and effective incident management.

In contrast, other classifications such as corrosive materials focus more on the ability of substances to damage living tissue or materials upon contact, which is a different kind of hazard. Similarly, options like high susceptibility may refer to the likelihood of a material reacting under certain conditions, but they do not specifically denote the category of reactive hazards as indicated by the correct answer. Understanding these distinctions helps hazardous materials responders effectively prioritize their actions during an incident.