2. General Lab Safety Guidelines No eating in the lab! Know the location of safety equipment. Wear appropriate clothing. Read labels. Never remove chemicals from the lab. Report ALL accidents to the teacher. If you have questions, ASK!

3. General Lab Safety Guidelines Always keep work areas clean and organized. Keep floor free of clutter. Read procedures for labs BEFORE entering lab. NEVER fool around in the lab. NEVER work alone in the lab.

4. Lab Techniques Never put excess chemicals back into original containers Dispose of chemicals properly If smelling chemicals use wafting technique Use fume hood when necessary Always add acid to water when diluting

5. WHMIS

6. Workplace hazardous material information system

7. WHMIS Made of 3 components 1. Labels – applied to containers of dangerous substances 2. MSDS – Material safety data sheet 3. Education and Training

10. Hazardous Household Product Symbols (HHPS)

12. Household Products

14. Law of Conservation of Mass Mass is neither created or destroyed!

15. Hindenburg