What are the 3 classification of hazard?

All hazards are assessed and categorized into three groups: biological, chemical and physical hazards. A general definition of a hazard as related to food safety is conditions or contaminants that can cause illness or injury.

What is a Class 5 substance?

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 many standard classifications of dangerous goods are there?

9 classes
Dangerous goods are classified into 9 classes, based on the substance’s characteristics and properties. These criteria are outlined in the TDG Regulations. Assigning a substance into a hazard class is usually done by the consignor.

How many categories are there for the dangerous goods Ordinance in HK?

2.2 “The Legislation” now stipulates about 400 types of dangerous goods which are classified into 10 Categories in accordance with their characteristics, e.g. inflammable, toxic, corrosive, spontaneous combustible, dangerous when wet, etc.

What is a Class 8 Chemical?

Class 8 substances (corrosive substances) are substances which, by chemical action, will cause severe damage when in contact with living tissue, or, in the case of leakage, will materially damage, or even destroy, other goods or the means of transport.

How can we classify the dangerous goods by IMDG?

IMDG cargo is usually classified into: Class 1: Explosives. Class 2.1: Flammable Gases. Class 2.2: Non-flammable/Non-Toxic Gases.
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Know the cargo groups
  1. Group 1: Cargo which are extremely dangerous.
  2. Group 2: Cargo with moderate danger.
  3. Group 3: Cargo with less danger.

What is a class 3 dangerous good?

Class 3 dangerous goods are flammable liquids with flash points no more than 60 celcius degrees. It covers liquid substances, molten solid substances with a flash point above 60 celcius degrees and liquid desensitized explosives.

What is a Class 7 hazardous material?

Class 7 dangerous goods are radioactive materials. There is no sub-division. However, there are different labels for radioactive materials which depend on the content and activity of such materials.

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 6.1 materials (not all of which are mailable) include bromobenzyl cyanide, methyl bromide, motor fuel anti-knock mixtures, and tear gas. Division 6.2 includes infectious substances.

What is a Class 1 chemical?

Class 1 goods are products that possess the ability to alight or detonate as a consequence of a chemical reaction. Explosives are classified as a hazardous product for a pretty clear reason – they can explode.

What are the 4 types of hazardous materials?

Class 1: Explosives. Class 2: Gases. Class 3: Flammable Liquids. Class 4: Flammable Solids or Substances.

What are 3 types of hazardous classifications used on chemicals?

They are used to describe 3 main types of chemical hazards: physical hazards, health hazards and environmental hazards.

What are some examples of hazard Class 1?

Hazard Class 1 has six divisions as follows: Division 1.1 consists of explosives that have a mass explosion hazard. Examples are black powder, nitroglycerine (desensitized), dynamite, most types of torpedoes, and mercury fulminate.

What are the 4 classification of waste?

For the purposes of this review these sources are defined as giving rise to four major categories of waste: municipal solid waste, industrial waste, agricultural waste and hazardous waste.

What are the 4 types of environmental hazards?

Types of Environmental Hazards

To better understand them, we can think of them as falling into four categories: physical, chemical, biological, and cultural. Physical hazards are physical processes that occur naturally in the environment.

What is the UN classification of hazardous chemicals?

CLASS 1 : Explosive

but not a mass explosion hazard. Division 4 – Substances and articles which present no significant hazard. Division 5 – Very insensitive substances which have a mass explosion hazard. CLASS 2 : Gases compressed, liquefied, dissolved under pressure or deeply refrigerated.

What are the 3 classification of waste?

Classifying waste
  • special waste.
  • liquid waste.
  • hazardous waste.
  • restricted solid waste.
  • general solid waste (putrescible)
  • general solid waste (non-putrescible)

What is main classification of waste?

Two main waste categories can be established based on the distinct legislation and policy instruments usually in place: non-hazardous or solid waste; and hazardous waste.