What characterizes extraordinary fire conditions?

Extraordinary fire conditions are characterized by atypical fire situations that involve hazardous materials. Such conditions arise when fires burn materials that pose significant risks beyond what is encountered in standard fire scenarios. This can include chemicals that ignite easily, create toxic fumes, or lead to explosive scenarios. The presence of hazardous materials requires specialized training and equipment to manage effectively and safely. Understanding these extraordinary conditions is crucial for first responders and firefighters to mitigate risks and protect life and property during emergency situations.

Typical fire scenarios with common materials, controlled burns for training, and residential area fires do not encompass the heightened risks and complexities associated with hazardous materials, which is why the focus is on option B.