How many hazardous materials are listed in the hazardous materials Table?

Nine Classes of Hazardous Materials (Yellow Visor Card) | FMCSA.

What is column 1 of the hazardous materials Table?

Column 1 uses six symbols to identify hazardous materials with special shipping conditions—such as restrictions for air, domestic, international, or water vessel transport.

What are the 9 different hazard classes?

The nine hazard classes are as follows:

• Class 1: Explosives.
• Class 2: Gases.
• Class 3: Flammable and Combustible Liquids.
• Class 4: Flammable Solids.
• Class 5: Oxidizing Substances, Organic Peroxides.
• Class 6: Toxic Substances and Infectious Substances.
• Class 7: Radioactive Materials.
• Class 8: Corrosives.

What is G in column 1 of HMT?

Symbol Meaning G Identifies proper shipping names for which one or more technical names must be entered in parentheses, in association with the basic description. I Identifies proper shipping names which are appropriate for international transportation.

What does the letter a mean in column 7 of HMT?

a special provision
A code containing the letter “A” refers to a special provision which applies only to transportation by aircraft. If your shipment of HazMat is not by air, then this special provision will not be applicable. A code containing the letter “B” refers to a special provision that applies only to bulk packaging requirements.

What are hazardous material placards?

Placards are standard hazmat identifiers, designed to meet certain specifications, and placed on outer containers, trucks, cylinders, or other vehicles used for transport. Markings are additional identifiers (other than hazard labels & placards) that further describe the package.

Which dot table is used to classify hazardous materials?

The Hazardous Materials Table [§172.101, Col. 6] identifies the proper label(s) for the hazardous material listed. Any person who offers a hazardous material for transportation MUST label the package, if required [§172.400(a)].