What is a "hazardous material incident" defined as?

A "hazardous material incident" is defined as an occurrence where hazardous materials leak or spill. This definition encompasses any situation that poses a risk due to the release of hazardous substances into the environment, which can lead to potential harm to people, property, or the ecosystem.

When hazardous materials escape from their intended containment, such as during transportation or storage, it can create immediate and long-lasting dangers. This includes not only spills but also leaks, releases, or any event that results in uncontrolled exposure. Recognizing the gravity of such incidents is crucial for emergency response and public safety, as they require specific protocols for containment, cleanup, and mitigation of risks.

The other options do not accurately reflect the definition of a hazardous material incident. Organized drills are part of preparedness, planned transportation routes focus on logistics, and exposure to HAZMAT by employees pertains more to workplace safety than to an incident in the context of a leak or spill.