What immediate action should the EHS and FS responders take to protect human health and the environment?

The vehicle that was transporting the explosive in Part A has been struck by another vehicle. A small fire appears to be spreading from a tire on a vehicle at the scene of the accident.

Identify the explosive material that could be involved, and describe the chemical interaction that could be occurring as a result of the collision between the two vehicles. What immediate action should the EHS and FS res ponders take to protect human health and the environment?