What information does the NFPA label give you?

1. What is NFPA 704? NFPA 704 provides a simple, readily recognized, easily understood system for identifying the specific hazards of a material and the severity of the hazard that would occur during an emergency response.

What information is included in the white section of an NFPA warning label?

In the NFPA system, the white area is used to convey special hazards whereas HMIS uses the white section to indicate what personal protective equipment (PPE) should be used when working with the material.

What do the numbers mean on the NFPA 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).

What does the NFPA diamond tell you?

The system addresses the health, flammability, instability, and special hazards presented from short-term, acute exposures that could occur as a result of a fire, spill, or similar emergency.

What are the 9 hazard symbols?

Hazard pictograms (symbols)

  • Explosive (Symbol: exploding bomb)
  • Flammable (Symbol: flame)
  • Oxidising (Symbol: flame over circle)
  • Corrosive (Symbol: corrosion)
  • Acute toxicity (Symbol: skull and crossbones)
  • Hazardous to the environment (Symbol: environment)
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What are the 4 hazard categories?

Physical Hazards

Hazard Class Associated Hazard Category
Gases under pressure 4 Groups include: Compressed gas, Liquefied gas, Dissolved gas, and Refrigerated liquefied gas
Flammable liquids Categories 1 – 4
Flammable solids Categories 1 and 2
Self-reactive substances Types A-G

Which number on an NFPA 704 label indicates the most severe hazard?

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.

What does white represent on the NFPA diamond?

The white diamond, appearing at the bottom of the label, conveys Special Hazard information. This information is conveyed by use of symbols that represent the special hazard.

What does the diamond with numbers mean?

Fire diamonds located on tanks and buildings indicate the level of chemical hazard located there. The four colors are blue, red, yellow, and white. The numbers superimposed over the colors rank the severity or danger, ranging from one to four, with four being the highest rating.

What are the 9 DOT hazard classes?

A visor card guide for state and local law enforcement officials illustrating vehicle placarding and signage for the following nine classes of hazardous materials: 1) Explosives, 2) Gases, 3) Flammable Liquid and Combustible Liquid, 4) Flammable Solid, Spontanaeously Combustible and Dangerous When Wet 5) Oxidizer and …

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