What are Diamond placards?
A four section multicolor “square-on-point” (diamond/placard) is used to address the health, flammability, instability and special hazards presented by short-term, acute exposures that could occur during fires, spills or other similar emergencies.
What does the diamond hazard symbol mean?
The red diamond, appearing at the top of the label, conveys Flammability Hazard information.
Are NFPA diamonds 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.
What type of warning does each diamond indicate?
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). The bottom quadrant is used to indicate special hazards.
What is the importance of NFPA diamond?
It’s a multi-dimensional code that offers people a quick label or diagram of the potential hazards and dangers of a substance. It’s used to tag, label, mark, identify, and notify workers about the severity of a substance.
What is the purpose of the fire diamond?
Multi-colored fire diamonds, a common fixture on tanks and buildings, are meant to communicate hazard information quickly to firefighters and other first responders to help determine what precautions to take, procedures to follow, and equipment to use.
What does the blue red yellow and white diamond mean?
The sign is called an NFPA panel. NFPA stands for National Fire Protection Association. The idea behind these signs is to give firefighters some sort of advanced notice on what they are getting themselves into when they arrive at the scene of a fire.
What number is the most hazardous?
Category 1 is always the greatest level of hazard (that is, it is the most hazardous within that class). If Category 1 is further divided, Category 1A within the same hazard class is a greater hazard than category 1B. Category 2 within the same hazard class is more hazardous than category 3, and so on.
What do the four areas of the diamond stand for?
The purpose of the NFPA hazard rating diamond is to identify and rank the hazard level of certain materials. The four smaller diamonds are red,blue,white and yellow. Each color stands for a different category they are health,flammability,reactivity and special.
What does a 4 on a hazmat diamond meaning?
4. Material that, on very short exposure, could cause death or major residual injury. White for health hazard (W-Water Reactive, OX-Oxidizer) W. Material shows unusual reactivity with water (i.e., don’t put water on it)
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