What Are The 9 Hazard Symbols?

What is the radioactive symbol?

The life of the radioactive ‘trefoil’ began in 1946 at the University of California, Berkeley.

The symbol was first ‘doodled’ by members of a research group headed by Nels Garden, who wrote in a letter that the symbol “would best symbolize the degree of hazard, type of activity, etc., but which was simple in design”..

What are the 9 main groups of hazardous substances?

The 9 Classes of Dangerous GoodsExplosive materials (Class 1) … Gases (Class 2) … Flammable Liquids (Class 3) … Flammable Solids (Class 4) … Oxidising Substances and Organic Pesticides (Class 5) … Toxic and Infections Substances (Class 6) … Radioactive Materials (Class 7) … Corrosive Materials (Class 8)More items…•

What are hazard classifications?

GHS uses three hazard classes: Health Hazards, Physical Hazards and Environmental Hazards. These aren’t required by OSHA. Health hazards present dangers to human health (i.e. breathing or vision) while physical hazards cause damage to the body (like skin corrosion).

What is a Class 9 dangerous good?

Class 9 Miscellaneous Dangerous Goods are substances and articles which during transport present a danger or hazard not covered by other 8 classes.

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.

Where is a hazard pictogram found?

Where will I find the pictograms? Pictograms will be on the product supplier labels of the hazardous products you work with. They will also be on the SDSs (as the symbol or words that describe the symbol).

How do you read hazard signs?

The panel has four areas: Red – Fire hazard. Blue – Health hazard. Yellow – Reactivity….In the Fire hazard area, the numbers indicate the flash point:0 = Will not burn.1 = Above 200 degrees F (93 C)2 = Below 200 degrees F.3 = Below 100 degrees F (38 C)4 = Below 73 degrees F (23)

What are all the hazard symbols?

CLP hazard pictogramsExplosive (Symbol: exploding bomb)Flammable (Symbol: flame)Oxidising (Symbol: flame over circle)Corrosive (Symbol: Corrosion)Acute toxicity (Symbol: Skull and crossbones)Hazardous to the environment (Symbol: Dead tree and fish)More items…

What are the 10 Whmis symbols?

WHMIS 2015 / GHS SYMBOL GuideExploding Bomb (Explosive)Flame (Flammable)Flame Over Circle (Oxidizing)Gas Cylinder (Gases Under Pressure)Corrosion.Skull & Crossbones (Acute Toxicity)Health Hazard.Exclamation Mark (Health Hazards)

What does a pictogram look like?

Pictogram means a graphical composition that may include a symbol plus other elements, such as a border, background pattern or color that conveys specific information. All hazard pictograms should be in the shape of a square set on a point (diamond).

What are the 9 pictograms?

Pictograms and DescriptionsHealth Hazard.Flame.Exclamation Mark.Gas Cylinder.Corrosion.Exploding Bomb.Flame Over Circle.Skull and Crossbones.More items…•

What does a danger sign look like?

Danger signs must be red, black, and white, and include ‘DANGER’ printed in white lettering on a red, oval shaped background. OSHA requires that all employees be made aware that danger signs indicate immediate danger and extreme caution must be used in the area at all times.

Which pictogram is used for health hazards?

In addition to the specific hazards identified by the exclamation mark pictogram, it is important to remember that a product may have other hazards, for example: other health hazards such as respiratory sensitization, germ cell mutagenicity, carcinogenicity and specific target organ toxicity (repeated)

What’s a pictogram?

A pictogram is one of the simplest (and most popular) forms of data visualization out there. Also known as “pictographs”, “icon charts”, “picture charts”, and “pictorial unit charts”, pictograms use a series of repeated icons to visualize simple data.

Why are hazard symbols used?

Hazard symbols are used on containers. They are there to: indicate the dangers associated with the substance inside. give information about how to work safely with the substance in the laboratory.

What is a hazard symbol?

Hazard symbols or warning symbols are recognisable symbols designed to warn about hazardous or dangerous materials, locations, or objects, including electric currents, poisons, and radioactivity. The use of hazard symbols is often regulated by law and directed by standards organizations.

What Colour are hazard symbols?

Commonly seen when using hazardous chemicals, a warning sign is triangular in shape. Over 50% of the sign must be yellow or amber with a thick black edge and a clear pictogram of the hazard, often referred to as hazard signs.

WHO classifies dangerous?

shippersUnder the Transportation of Dangerous Goods Act, shippers are responsible for classifying dangerous goods, completing documentation, selecting the proper means of containment and displaying dangerous goods safety marks on the container.