In hazardous materials incidents, which hazard should be assessed first?

The correct answer is radiation. In hazardous materials incidents, the assessment of radiation hazards is critical because exposure to radioactive materials can pose immediate and severe health risks to responders and the public. Unlike other hazards, radiation can have effects that are not immediately visible, making it essential to identify and mitigate this hazard before other considerations.

Assessing radiation levels can help establish the safe zone and guide the response efforts accordingly. This initial focus allows for informed decisions to be made about evacuations, protective measures, and the allocation of resources to ensure the safety of all involved.

While flammability, toxicity, and oxygen availability are also vital considerations in hazardous materials incidents, addressing radiation first is crucial due to its potential for immediate and long-lasting impacts. By prioritizing radiation assessment, responders can effectively manage the risks associated with exposure and protect both personnel and the community.