Laboratory safety symbols

Question 1

Laboratory safety symbols

Answer 1

are standardized icons or signs used in laboratories to communicate potential hazards and safety precautions to those working in or around the lab

Question 2

General warning

Answer 2

Presence of possibly hazardous materials/environment

Question 3

Biological Hazard symbols in the lab

Answer 3

represent biological substances that have the potential to negatively affect human health or the health of any living beings.

Question 3

Health Hazard

Answer 3

Presence of chemical, physical, or biological factors with the potential to have a negative effect on our health.

Question 4

BSL 1

Answer 4

Low risk to personnel and environment

Question 5

BSL 2

Answer 5

Moderate risk to personnel and environment

Question 6

BSL 3

Answer 6

Serious disease for human, animal, plant (not spread by casual contact)

Question 7

BSL 4

Answer 7

Very serious disease for human, animal, plant (often untreatable)

Question 8

Poison/poisonous materials

Answer 8

Presence of toxic materials. Ex. Silver chloride, Cadmium sulfate, Mercury acetate, Barium carbonate, Lead acetate

Question 9

Carcinogenic

Answer 9

presence of carcinogenic materials. Ex. asbestos, nickel, cadmium, radon, vinyl chloride, benzidene, and benzene

Question 10

Corrosive material hazard

Answer 10

presence of corrosive substances. Ex. Bromine, sodium hydroxide, sulfuric acid and hydrogen peroxide are examples of highly corrosive liquids.

Question 11

Harmful irritants

Answer 11

presence of harmful chemicals causing irritations. Ex. Chloroform: A volatile solvent that can irritate the skin, eyes, and lungs, Corrosive Gases: Gases like Ammonia and Hydrogen chloride can cause severe irritation and bodily injury

Question 12

Physical material hazard symbols in the lab

Answer 12

These symbols represent the presence of a specific substance, condition, or factor with the potential to harm humans or any other living objects in contact with them. Physical hazards may be physical conditions like heat, cold, pressure, vibration, etc., sound, radiation, and electricity.

Question 13

High voltage

Answer 13

Supply of high-voltage electricity

Question 14

Electric hazard

Answer 14

Risk of getting electric shock. (The device might give mild to severe electric shock.)

Question 15

Cytogenic hazard

Answer 15

Low-temperature zone

Question 16

Flammable material

Answer 16

Presence of combustible materials (a substance that can easily burn)

Question 17

Explosive material

Answer 17

Presence of explosive and/or self-reactive substances

Question 18

Hot surface

Answer 18

Risk of burning if you touch with naked hands

Question 19

Ionizing radiation hazard

Answer 19

Presence of radioactive materials emitting ionizing radiation or the presence of electromagnetic waves having the capacity to ionize an atom

Question 20

Non-ionizing radiation hazard

Answer 20

Presence of electromagnetic waves that don’t have ionizing capacity but have the capacity to excite electrons (UV light)

Question 21

Entry/working requirement symbols in the lab

Answer 21

These symbols indicate what must be done before entering or working in the zone. They indicate what personal protective equipment must be used by personnel intending to do a specific job in a particular area

Question 22

Different stations symbols in the lab

Answer 22

These symbols specify a location/station where a specific task is expected to be performed.

Question 23

Location symbols of a specific object in the lab

Answer 23

These symbols indicate the location of specific materials/devices for use on specific occasions. It includes first aid boxes, fire extinguishers, fire blankets, alarm systems, etc

Question 24

Prohibition symbols in the lab

Answer 24

These symbols indicate what actions or objects are not permitted to do or carried within the specific area. These symbols are usually a figure crossed with a red mark.