44 nfpa 704 colors
What do the colors represent on the NFPA diamond? - Creative Safety Supply Blue NFPA Diamond On the left side of the NFPA diamond when looking at it will be the color blue. This is used to indicate that the chemical being labeled has some type of health hazard. If it has a zero in the blue diamond then there is no health hazards at all. As the number goes up to four the severity of the hazard continues to escalate. NFPA 704 Hazard Identification System - Albuquerque Public Schools The blue, red, and yellow fields (health, flammability, and reactivity) all use a numbering scale ranging from 0 to 4. A value of zero means that the material poses essentially no hazard; a rating of four indicates extreme danger. The fourth value - white- shows special precautions - either water reactive or an oxidizing agent.
PDF National Fire Protection Association - Bowling Green State University The National Fire Association (NFPA) has developed a color-coded number system called NFPA 704. Th...