Which color on the NFPA 704 diamond indicates the health hazard?

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Multiple Choice

Which color on the NFPA 704 diamond indicates the health hazard?

Explanation:
Hazard communication at a glance uses the NFPA 704 diamond, which has four colored sections to show different hazard types. The blue section represents health hazard—the potential for injury or illness from exposure. The numbers inside that blue area range from 0 to 4 to indicate severity, with higher numbers meaning greater health risk. Red signals flammability, yellow indicates reactivity, and white covers special hazards or notes (such as oxidizers or water-reactive materials). So for health hazard, you refer to the blue area.

Hazard communication at a glance uses the NFPA 704 diamond, which has four colored sections to show different hazard types. The blue section represents health hazard—the potential for injury or illness from exposure. The numbers inside that blue area range from 0 to 4 to indicate severity, with higher numbers meaning greater health risk. Red signals flammability, yellow indicates reactivity, and white covers special hazards or notes (such as oxidizers or water-reactive materials). So for health hazard, you refer to the blue area.

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