Hazardous materials are regulated by several different government agencies. the five main federal agencies involved in hazardous materials regulation are the pipeline and hazardous materials safety administration (phmsa), occupational health and safety administration (osha), nuclear regulatory commission (nrc), environmental protection agency (epa), and:

Hazardous materials are regulated by several different government agencies. the five main federal agencies involved in hazardous materials regulation are the pipeline and hazardous materials safety administration (phmsa), occupational health and safety administration (osha), nuclear regulatory commission (nrc), environmental protection agency (epa), and Department of Transportation (DOT).

The correct answer is the Department of Transportation (DOT)
Hazardous material is any item or agent which either biological, chemical, and physical, which has the potential to cause harm to humans, animals, or the environment, either by itself or through interaction with other factors.