What is the 704 marking system?
NFPA 704 Marking System is a system developed by the National Fire Protection Association to alert emergency personnel of the type and degree of hazards within an area enabling them to more easily decide whether to evacuate the area or to commence control procedures.
What is NFPA diamond label?
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).
What are the four categories embodied in NFPA 704?
What are the four categories embodied in NFPA 704? The four divisions are typically color-coded with red on top indicating flammability, blue on the left indicating level of health hazard, yellow on the right for chemical reactivity, and white containing codes for special hazards.
What does 4 represent in the NFPA 704 diamond?
4-Very flammable gases or very volatile flammable liquids. The yellow diamond, appearing at the right side of the label, conveys Reactivity (or Stability) information.
Which number on an NFPA 704 label indicates the most severe hazard?
1-4 1
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.
Is the NFPA 704 symbol required?
A: The NFPA 704 standard is a voluntary standard. NFPA 704 signs are required when another federal, state or local regulation or code requires their use. Some of the more widely adopted and used NFPA codes that require 704 signs for specific occupancies, storage and hazardous materials include: NFPA 1 – Fire Code.
What does 2 in the risk Diamond indicate?
2-Can cause injury. Requires prompt treatment. 3-Can cause serious injury despite medical treatment. 4-Can cause death or major injury despite medical treatment.
What is the NFPA 704 diamond label?
The NFPA 704 label contains lots of information in a compact and easy-to-understand format, which is essential in emergency situations. The most recognizable part of the label is the diamond, which is further broken up into four smaller diamonds.
What is the NFPA 704 code for cryogenic chemicals?
CRY or CRYO – Cryogenic chemicals may have this symbol listed in the white diamond. Unlike many other labeling systems, the NFPA 704 system is not required. The NFPA is not a governmental agency and it has no specific enforcement powers.
Will the NFPA 704 classification system change with GHS incorporation?
The NFPA Technical Committee on Classification will continue to assess the impact of GHS incorporation into OSHA’s HC2012 standard. In the meantime, there is no immediate plan to change the existing NFPA 704 system.
Is the NFPA 704 system required?
Unlike many other labeling systems, the NFPA 704 system is not required. The NFPA is not a governmental agency and it has no specific enforcement powers. Companies and individuals use this system because it is effective and can dramatically improve the safety of many environments. People will notice this type of label in a wide range of areas.