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WHMIS

Workplace Hazardous Materials Information System http://www.youtube.com/watch?v=R7hIUhXnG-Q. WHMIS. 1. What does WHMIS stand for? 2. What is the purpose of WHMIS? 3. What information would you find on a WHMIS label? 4. Do all products and chemicals have WHMIS labels? Explain. Questions.

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WHMIS

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  1. Workplace Hazardous Materials Information System http://www.youtube.com/watch?v=R7hIUhXnG-Q WHMIS

  2. 1. What does WHMIS stand for? 2. What is the purpose of WHMIS? 3. What information would you find on a WHMIS label? 4. Do all products and chemicals have WHMIS labels? Explain. Questions

  3. Symbols, hazard and examples

  4. 1. What does WHMIS stand for? Workplace Hazardous Materials Information System.

  5. 2. What is the purpose of WHMIS? It is an information system of special labels, symbols and materials safety data sheets (MSDS) for potentially dangerous chemicals used on a job.

  6. 3. What information would you find on a WHMIS label? - Name of the Chemical - The WHMIS hazard symbol - Risks and precautions - First aid isntructions

  7. 4. Do all products and chemicals have WHMIS labels? Explain. No, some products like pesticides and household materials are covered by other legislation.

  8. Symbols, hazard and examples

  9. 1. Write 2 things you need to do/know before beginning any activity. 2. Write 10 General Safety Precautions (EX: Never work alone). 3. Write 10 Safety Rules (EX: No running). 4. Handling a Heat Source – 3 things 5. Handling an Open Flame – 3 things Safety in the Science Lab

  10. Before beginning any activity • * Know what is expected • * Prepare a clear work environment • * Wait for permission to start • * Whenever special attention is needed in a Lab activity you will see the word Caution (This means that special care must be taken when proceeding with this activity).

  11. General Safety Precautions • * Work quietly and carefully • * Never work alone • * Wear appropriate clothing • * Wear safety equipment • * Inform your supervisor of health-related problems, allergies • * Never eat or drink In the Lab area • * Touch substances only when told to do so

  12. General Safety Precautions * Smell substances using the proper technique (wafting fumes toward you) * Pour substances properly and safely * Rinse off substances immediately that come into contact with skin or clothing * Wash hands after handling substances and before leaving the Lab * Clean up all spills Immediately * Dispose of harmful substances by following teacher's directions

  13. Safety Rules • # Do not perform unauthorized experiments. • # Report all accidents immediately to your teacher. • # Wear chemical splash goggles. • # Wear a chemical resistant apron. • # Wear chemical resistant gloves. • # Tie back long hair. • # Do not wear loose sleeves. • # Do not wear shorts. • # Do not wear sandals.

  14. Safety Rules • # Do not wear contact lenses. • # No food or beverages. • # No gum chewing. • # Do not leave experiments unattended. • # Know the location of all of the science lab safety equipment, exits and telephone. • # No running. • # Keep aisles clear. • # Extinguish burners when away from desk

  15. Handling Heat Source • Use hot plates that have thermostatic controls. • Use a beaker of water on a hot plate to heat substances In test tubes. • Use heat-resistant glass (Pyrex or Kimax) - never use cracked glass. • Always keep the open end of the test tube pointed away from everyone. • Never allow any container to boil dry. • Use gloves to pick up hot objects. • Turn off hot plate when not In use.

  16. Handling Open Flame • * Locate fire safety equipment before using any open flame (fire blanket, fire extinguishers, fire alarm, first-aid kit) • * Remove all flammable substances from the room before lighting a flame • * Use a test tube holder if the test tube Is being heated in an open flame • * Point the open end away from yourself and others • * Gently move the test tube back and forth over the flame so that it is heated evenly

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