Which NFPA Standard governs the classification and marking of hazardous materials for fixed facilities?

• A. NFPA 101
• B. NFPA 704
• C. NFPA 13
• D. NFPA 25

Answer: (B)

This item tests recognizing the system used to identify and communicate material hazards at fixed facilities. NFPA 704 provides a standardized hazard identification diamond that conveys health, flammability, reactivity, and special hazards for emergency responders. The colored quadrants (blue for health, red for flammability, yellow for reactivity, white for special hazards) carry numbers from 0 to 4, indicating increasing severity, so responders can quickly gauge risk and needed protective actions. This is why NFPA 704 is the standard that governs classification and marking of hazardous materials in fixed facilities. The other standards listed address entirely different topics—life safety requirements, sprinkler system design, and sprinkler maintenance—not hazard labeling.