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 are the three main classification of hazard?

All hazards are assessed and categorized into three groups: biological, chemical and physical hazards.

What are the 4 main types of hazards in a workplace?

Workplace Hazards: 4 Common Types

• Physical Hazards. This is the most common type of workplace hazards.
• Ergonomic Hazards. Every occupation places certain strains on a worker’s body.
• Chemical Hazards.
• Biological Hazards.
• MOBILE OFFICE LOCATION.
• PASCAGOULA OFFICE LOCATION.

What is fire hazard and its types?

While there are many specific types of fire hazards, common industrial hazards include combustible dust, electrical, combustible materials, flammable liquids, chemical, hot work, equipment, and machinery. Hot work is any industrial activity that creates an ignition source such as a spark, flame, or intense heat.

What is the classification of a fire hazard?

Classification of hazards In accordance with NFPA, areas are typically classified as being light (low) hazard, ordinary (moderate) hazard, or extra (high) hazard. Light (low) hazard areas are locations where the quantity and combustibility of Class A combustibles and Class B flammables is low.

What is an ordordinary hazard?

Ordinary Hazard  These hazard areas are environments where the combustibility and quantity of Class B flammables and Class A combustible materials are moderate. You can expect fires to grow with moderate heat release rates in these environments.

What is the most common fire hazard in an office?

Common fire hazards are found in most occupancies and are not associated with any special occupancy. Smoking, trash, electrical appliances, storage, and heating are common to most occupancy types. However, smoke-free workplaces are making smoking a less common problem.

What is the NFPA 10 classification of fire?

Classification of fire The National Fire Protection Association (NFPA) categorizes fires by class. The relevant graphics and letter designations that accompany these classes are specified by NFPA 10, the standard for portable fire extinguishers.