What does a dangerous placard mean?

The DANGEROUS placard is a useful tool for carriers of hazardous materials because it allows them to substitute one placard for any two or more hazardous materials that require placarding.

What do the colors mean on a placard?

White placards indicate the material is an inhalation hazard and/or poison; Black and white placards indicate the material is corrosive; Red and white placards indicate the material is a flammable solid or spontaneously combustible (it depends on the color pattern);

What does a placard represent?

Placards warn the people of the presence of hazards while they’re driving or near large quantities of hazmat being transported. They inform emergency responders – if shipping papers aren’t available at the scene of an accident, a placard may be the only way responders know what materials are involved in the accident.

What do all the hazard symbols mean?

Flammable (Symbol: flame) Oxidising (Symbol: flame over circle) Corrosive (Symbol: corrosion) Acute toxicity (Symbol: skull and crossbones) Hazardous to the environment (Symbol: environment)

How many different types of hazmat placards are there?

nine different classifications
Hazmat warning placards are broken down into nine different classifications, along with their divisions. Each class number is found at the bottom of the sign, while the division number can be found in the middle.

What can the placards tell first responders?

NFPA 704 placards may provide general information about the nature of the hazards in a particular facility or building (see Table 1 ). The NFPA 704 designations indicate the most severe risks associated with all of the materials in the building or facility.

What do red yellow and blue signs mean?

The panel has four areas: Red – Fire hazard. Blue – Health hazard. Yellow – Reactivity. White – Specific hazard.

What are the different hazard signs?

Pictograms and Descriptions

  • Health Hazard.
  • Flame.
  • Exclamation Mark.
  • Gas Cylinder.
  • Corrosion.
  • Exploding Bomb.
  • Flame Over Circle.
  • Skull and Crossbones.