The NFPA 704 placard system applies to which of the following?

• A. Laboratories only.
• B. Residential buildings.
• C. Vehicles in transit.
• D. Applies to fixed facilities in which hazardous materials are stored.

Answer: (D)

NFPA 704 is a system used to communicate the hazards of materials at a site for emergency responders. It is designed for fixed facilities where hazardous materials are stored or used, such as plants, warehouses, or chemical handling sites. The placard provides at-a-glance information about health, flammability, reactivity, and any special hazards to help responders quickly assess risk. It’s not limited to laboratories or residential buildings, and it’s not the system used for transport of hazardous materials on vehicles (that uses transportation-specific placards). So the option describing fixed facilities in which hazardous materials are stored best captures the scope and purpose of NFPA 704.