Answer :
Final answer:
The regulation that provides information on hazardous material classes and their associated hazards is 49 CFR 172 subpart B. It classifies hazardous materials into different classes and provides detailed information on the associated hazards and proper handling, labeling, and packaging requirements. So the correct option is B) 49 CFR 172 subpart B
Explanation:
The regulation that provides information on hazardous material classes and their associated hazards is 49 CFR 172 subpart B. This regulation, also known as the Hazardous Materials Regulations (HMR), is issued by the United States Department of Transportation (DOT). It classifies hazardous materials into different classes, such as explosives, gases, flammable liquids, and corrosive substances, and provides detailed information on the associated hazards and proper handling, labeling, and packaging requirements for each class.
