How many smaller diamonds are comprised in the NFPA 704 placard?

The NFPA 704 placard, known for its use in identifying the hazards associated with materials, comprises four smaller diamonds. Each diamond represents a different type of hazard: health, flammability, instability, and specific hazards. The numerical rating in each diamond indicates the severity of the hazard, with 0 being minimal and 4 being severe. This standardized system allows for quick and effective communication of hazards, especially in emergency situations.

The correct understanding of the NFPA 704 placard is essential for those involved in safety, emergency response, and hazardous materials management, ensuring they're equipped with the necessary information to respond appropriately to potential dangers.