What is the NFPA hazard symbol?
What is the NFPA hazard symbol?
diamond
The National Fire Association (NFPA) has developed a color-coded number system called NFPA 704. The system uses a color-coded diamond with four quadrants in which numbers are used in the upper three quadrants to signal the degree of health hazard (blue), flammability hazard (red), and reactivity hazard (yellow).
Is the NFPA 704 symbol required?
NFPA 704 labels are required when another Federal, state or local regulation or code requires their use. NFPA 704 does not specify when a container, tank or facility must label with the 704 diamond.
Where are NFPA signs required?
Local authorities have jurisdiction as to where and how many are needed, but NFPA suggests at a minimum the signs should be located on: Two exterior walls of a building or facility; Each access to a room or area; or. Each principal means of access to an exterior storage area.
Which NFPA symbol indicates the greatest risk?
The red, blue, and yellow diamonds use a numbering system from 0 – 4 to indicate the severity of each fire, health, and reactivity hazard, respectively. “0” indicates no hazard and “4” indicates the most severe hazard.
How do you read NFPA 704?
Within the diamond is a number (with the exception of the white diamond). The number corresponds to the level of danger a chemical poses. The lower the number, the lower the hazard. The numbers range from zero to four, with zero representing no hazard at all, and four representing an extreme hazard.
What does 4 represent in the NFPA 704 Diamond?
Number System: NFPA Rating and OSHA’s Classification System 0-4 0-least hazardous 4-most hazardous 1-4 1-most severe hazard 4-least severe hazard • The Hazard category numbers are NOT required to be on labels but are required on SDSs in Section 2. Acute hazards are more typical for emergency response applications.
What is NFPA labeling system?
NFPA 704 is a labeling system used to identify hazardous materials. It is published by the National Fire Protection Association (NFPA). NFPA diamond labels can be used on any type of chemical container to alert people to the specific hazards present.
