What does a NFPA label with a white diamond indicate?

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 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.

Which NFPA symbol indicates the greatest risk?

“0” indicates no hazard and “4” indicates the most severe hazard. The white diamond uses different symbols to indicate different special hazards.

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)

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 …

Is the NFPA diamond still used?

Their answer: Yes, OSHA will continue to allow NFPA and/or HMIS rating systems on labels and SDSs as supplemental information. However, the rules for labeling and placement on the SDSs still apply. See below for a detailed discussion on how one can use NFPA and/or HMIS rating systems on labels and SDSs.

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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

What are the components of a risk diamond?

The diamond is divided into four color-coded squares, each which conveys information about specific hazards present in the area. The top square is red and describes flammability hazards, the leftmost square is blue and describes health hazards, and the rightmost square is yellow and describes reactivity hazards.

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.

How do you read a danger 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. Each number also has a specific meaning based on which diamond it is in.

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