Hazardous materials are chemicals that are harmful to humans and to the environment.
Accidents can force an evacuation from your home and the surrounding area. Fumes from fire or chemical releases can create problems over a large area. Such accidents are likely to occur in industrial parks, along highways, or along railways. Hazardous materials accidents can be very dangerous because of the possibility of dealing with unknown chemicals. Always be very careful around any chemical accident or chemical spill or fire.