What do DOT placards indicate?

What do DOT placards indicate?

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 appears on a DOT label?

DOT labels must have the hazard class number, or the division number, printed in a font that is at least 6.3 mm (0.25 inches) and not greater than 12.7 mm (0.5 inches) in height.

What are the 4 traits of a DOT label?

D.O.T. hazmat labels give you forewarning of the hazards that are contained inside each package. The labels are diamond-shaped, color-matched, and have pictograms of the hazard and the class that the material belongs in. They also include special handling instructions.

What are the four sections of the DOT placard?

The square is divided into four sections, color coded: Red – flammability; blue – health hazard; yellow – reactivity/instability; White – special hazard, such as oxidizers, water reactive or Asphyxiating gas. The red, yellow and blue sections are labeled on scale of 0 to 4; 0 ‘minimal hazard’ to 4, ‘severe hazard’.

What is DOT hazard classification?

DOT Hazard Classification System Placards are used to identify the class or division of a material. The hazard class or division number must be displayed in the lower corner of a placard and is required for both primary and subsidiary hazard classes and divisions, if applicable.

What is the correct format for a proper hazmat description?

The basic description of a hazardous material includes the Identification Number, the Proper Shipping Name, Hazard Class and Packing Group (when applicable).

What is DOT classification?

A DOT hazardous material classification is applied if a material, in a particular amount and form, poses an unreasonable risk to health, safety or property. Below is the list of DOT hazmat classes. For more information about the Department of Transportation, visit here. DOT Hazardous Classes.

What are the 6 categories of HazMat?

Classifications of Hazardous Materials

• Class 1: Explosives.
• Class 2: Gases.
• Class 3: Flammable liquids.
• Class 4: Flammable solids.
• Class 5: Oxidizers/organic peroxides.
• Class 6: Toxic and infectious substances.
• Class 7: Radioactive material.
• Class 8: Corrosives.

What is HazMat DOT?

DOT HazMat Definition The term includes hazardous substances, hazardous wastes, marine pollutants, elevated temperature materials, materials designated as hazardous in the Hazardous Materials Table (see 49 CFR 172.101), and materials that meet the defining criteria for hazard classes and divisions (see 49 CFR 173.2).

What three things do you need to know to decide what placards if any are needed on a shipment?

You can decide which placards to use if you know these three things:

• Material’s hazard class.
• Amount being shipped.
• Amount of all hazardous materials of all classes on your vehicle.

What does a blue HAZMAT placard mean?

are dangerous when wet
Blue represents goods that are dangerous when wet — meaning when these materials meet water, they can become flammable. Examples include sodium, calcium and potassium. You’ll see dangerous when wet, an image of a flame and the number 4 on these placards.

How many hazard classifications are used by the DOT?

nine different categories
The DOT separates hazardous materials into nine different categories or “hazard classes.” They are defined by specific hazardous properties and have distinct regulatory requirements for packaging, markings, and labels.