1. Learn ‘em Love ‘em Live ‘em
Safety Symbols
Learn ‘em
Love ‘em
Live ‘em

2. Safety Goggles Required

3. Danger or Poison

4. Don’t Do It
Forbidden

5. Don’t Drink the Water

6. Radioactive Substance Present

7. Flammable Material Present Open Flame Present

8. Corrosive Material

9. Biohazard Present

10. Definiton: Biohazard
A biological agent that is a threat to human health or safety. Includes such things as:
Infectious agents such as bacteria, viruses, etc
Toxins or venom produced by a living thing
Pieces of DNA, tissue, dead organisms, blood, or other bodily fluids
Medical waste- Used bandages, etc.

11. High Voltage or Electrical Shock Hazard

12. Strong Magnetic Field

13. Hot Surface

14. Extremely Cold Substance (Cryogenic Substance)

15. Presence of a Laser

16. Tsunami Hazard

17. Weapons of Mass Destruction

18. NFPA Fire Diamond

19. NFPA Fire Diamond: Blue Diamond: Health Hazard
How hazardous to human health the substance is.
0 = Not dangerous to humans.
4 = Short exposure will cause immediate death or serious injury.

20. Red Diamond: Flammability
How easily the material catches fire or burns
0 = Does not burn
4= Easily forms flammable vapors and easy to ignite
(gasoline has a Flammability rating of 3)

21. Yellow Diamond: Instability
How easily the material detonates or explodes
0= Stable, even under fire conditions
4= May explode under normal conditions, temperatures or pressures (eg TNT).

22. White Diamond- Special Hazards
(No numbers, only symbols)
Possible symbols:
ox = oxidizer, a chemical that increases the rate of chemical reactions
W = Reactive when mixed with water
Acid = Strong Acid
Alk = Alkaline (Strong Base)
Other safety symbols may be found here also

24. Recyclable Material

25. For plastics, the recycling symbol generally has a number inside the arrows:
These numbers and the letters below tell recycling plants what type of plastic the object is made of.

26. See additional safety symbols and their meanings on page 17 of textbook.