Which NFPA code deals with the identification of materials hazards for emergency response?

The correct choice is NFPA 704, which is specifically designed to provide a standardized system for identifying hazards associated with materials, particularly for emergency response situations. This code outlines a color-coded label with a number rating system that indicates the health, flammability, and reactivity hazards of materials. The use of this system is vital for firefighters and other emergency responders, as it allows them to quickly assess the risks involved when approaching a scene involving hazardous materials.

The clarity and simplicity of the NFPA 704 system enable responders to make informed decisions rapidly, which is crucial for their safety and the effective management of incidents involving hazardous materials. This system not only assists in identifying the dangers present but also acts as a guide for the appropriate protective measures and firefighting tactics that should be employed.

In contrast, NFPA 70 pertains to electrical safety and codes, NFPA 101 focuses on life safety from fire, and NFPA 25 addresses the inspection, testing, and maintenance of water-based fire protection systems. While these codes are important within their specific contexts, they do not deal directly with the identification of materials hazards for emergency response as NFPA 704 does.