What Are The 9 DOT Hazard Classes?

What are the hazard classifications?

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.More items….

What are the five classification of hazard?

Types of workplace hazards include chemical, ergonomic, physical, psychosocial and general workplace. Luckily, there are ways to mitigate the risks from these hazards such as through planning, training and monitoring.

What is a Category 4 Hazard?

GHS hazard class represents the nature of a chemical hazard, i.e., flammable liquids, carcinogen. … For example, hazard class flammable liquids can be divided into 4 categories among which flammable liquids category 1 represents the most severe hazard.

What is a Class 6 Hazard?

Hazard Class 6 consists of two divisions: Division 6.1 includes toxic substances, poisons, and irritating material. … Examples of Division 6.2 materials include infectious substances, biological products, regulated medical waste, sharps medical waste, used health care products, and forensic materials.

What is a Class 1 dangerous good?

Class 1 dangerous goods are explosive substances and articles. There are 6 sub-divisions: Division 1.1: Substances and articles which have a mass explosion hazard. Division 1.2: Substances and articles which have a projection hazard but not a mass explosion hazard.

Does Class 9 Hazmat need placards?

For Class 9 (Miscellaneous) hazardous materials, placards are not required to be displayed for domestic transportation, including that portion of international transportation, that occurs within the United States (see § 172.504(f)(9)).

What is a Class 4 explosive?

Class 4 – Flammable solids; Substances liable to spontaneous combustion; Substances which, on contact with water, emit flammable gases. Division 4.1 Flammable solids, self-reactive substances and solid desensitized explosives.

What are the 6 categories of hazmat?

What are the six categories of HAZMAT? Flammable Liquids, Toxic Materials, Corrosives either Acids or Alkalis, Oxidizing Agents, Aerosols, and Compressed Gases.

What type of hazard can cause serious eye damage?

The corrosion pictogram is used for the following classes and categories: Corrosive to metals (Category 1) Skin corrosion/irritation – Skin corrosion (Category 1, 1A, 1B and 1C) Serious eye damage/eye irritation – Serious eye damage ( Category 1)

What is a DOT Hazard Class?

The U. S. Department of Transportation (DOT) has specific rules for shipping hazardous materials. … 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.

Which hazard class is most dangerous?

Category 1 is always the greatest level of hazard (that is, it is the most hazardous within that class). If Category 1 is further divided, Category 1A within the same hazard class is a greater hazard than category 1B. Category 2 within the same hazard class is more hazardous than category 3, and so on.

What are the 3 major hazard groups?

There are three major hazard groups: Physical hazards. Health hazards. Environmental hazards.

What are the 5 types of hazards?

What types of hazards are there?biological – bacteria, viruses, insects, plants, birds, animals, and humans, etc.,chemical – depends on the physical, chemical and toxic properties of the chemical,ergonomic – repetitive movements, improper set up of workstation, etc.,More items…

How do you determine your hazard class?

Below are the basic steps in auditing your chemical products to properly classify them under GHS standards:Identify the relevant data concerning the hazards of the chemical.Determine if the chemical is hazardous based on its physical hazards, health hazards, and environmental hazards.More items…

How many dot hazard classes are there?

nine classesA 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 …

Which packing group is most dangerous?

Packaging Your Dangerous GoodsPacking group I: substances presenting high danger;Packing group II: substances presenting medium danger; and.Packing group III: substances presenting low danger.

What is a Class 5 HazMat site?

345.1 Definition. Hazard Class 5 consists of two divisions: Division 5.1, Oxidizing Substances. A material that may, generally by yielding oxygen, cause or enhance the combustion of other materials. Division 5.2, Organic Peroxides.

How dangerous is corrosive 8?

Class 8 dangerous goods are corrosive substances. There is no sub-division. Corrosive substances may cause severe damage when in contact with living tissue such as skin or damage or destroy surrounding materials in case of leakage.