Learn ‘em Love ‘em Live ‘em Safety Symbols Learn ‘em Love ‘em Live ‘em

Safety Goggles Required

Danger or Poison

Don’t Do It Forbidden

Don’t Drink the Water

Radioactive Substance Present

Flammable Material Present Open Flame Present

Corrosive Material

Biohazard Present

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.

High Voltage or Electrical Shock Hazard

Strong Magnetic Field

Hot Surface

Extremely Cold Substance (Cryogenic Substance)

Presence of a Laser

Tsunami Hazard

Weapons of Mass Destruction

NFPA Fire Diamond

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.

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)

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).

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

Recyclable Material

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.

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