Part A: You are the Environmental Coordinator for a demolition company that still prefers the use of dynamite sticks for demolition. You are tasked with the compliant and safe transport of dynamite to the demolition sites. Identify the proper placarding, labeling, and shipping documentation of the transport vehicle as required by the DOT. 

Part B: The vehicle that was transporting the dynamite sticks 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 responders take to protect human health and the environment?