1. Chemical Safety

2. Science Safety Symbols
Symbols you may find when doing labs that alert you to work carefully.

3. Safety Symbol Whiteboard Review

4. Biohazard!
Breakage
Plant Safety
Biohazard
Poison

5. Safety Goggles! General Safety Awareness Safety Goggles Breakage
Animal Safety

6. Electric Shock! Poison Corrosive Chemicals Sharp Objects

7. Animal Safety!
Plant Safety
Fumes
Animal Safety
Disposal

8. Breakage!
Breakage
Plastic Gloves
Physical Safety
Disposal

9. Plastic Gloves! Corrosive Chemicals Heat Resistant Gloves Disposal

10. Fire Extinguisher Classification Symbols
Class A – used to extinguish flames on ordinary combustibles (wood, cloth, paper)
Class B – used to extinguish flames on liquids (liquids, grease, gases)
Class C – electrical equipment (things you plug in to the wall)
Class D – fires involving metals (magnesium, titanium)

11. NFPA Chemical Hazard Labels
The National Fire Protection Association has developed a color coded, numerical system for indicating hazards of chemicals.
Diamond symbol is divided into 4 types of hazards:
Health Hazards (blue)
Flammability Hazards (red)
Reactivity Hazards (yellow)
Special Hazards (white)
Levels of hazard (0-4)
0 is not hazardous, 4 is extremely
hazardous

13. MSDS
Material Safety Data Sheets – provide more detailed information regarding chemical safety
Chemical Composition (what’s it made of?)
Hazards
First Aid & Exposure
Storage

14. Reading MSDS’s
It’s important to be familiar with chemicals before using them!
How much can you learn about a chemical?
Answer the questions on the handout using the MSDS at your table!