Lab Safety Rules - PowerPoint PPT Presentation

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Lab Safety Rules
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Lab Safety Rules

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  1. Lab Safety Rules Expectations for all lab activities

  2. General Rules • Follow all written and verbal instructions carefully • If you don’t understand something, ask your instructor before proceeding • Never work in the lab without the teacher present

  3. General Rules • When 1st entering the science room, DON’T touch ANY equipment, chemicals or other materials for lab until instructed to do so • Students are never permitted in the science storage rooms or preparation areas

  4. General Rules • No food • No drinks • No gum • Never use laboratory glassware as containers for food or beverages

  5. General Rules • Only perform experiments authorized by your instructor • Never do anything in the lab that is not called for in the procedures or by your instructor • Unauthorized experiments are prohibited

  6. General Rules • Never fool around in the lab • Horseplay, practical jokes, and pranks are dangerous and prohibited • There are no “warnings” • Any misbehavior will result in being removed from lab and receiving zero points for that lab

  7. General Rules • Keep work areas clean and tidy • Leave your backpack and any unnecessary materials at your desk • Keep aisles clear. Push your chair in when not in use

  8. General Rules • Know the location of safety equipment • Know the procedure for a fire alarm

  9. General Rules • Never pour chemicals down the sink unless told by your instructor • Dispose of chemicals in the proper waste receptacle

  10. General Rules • Keep hands away from face, eyes, mouth and body when using chemicals or preserved specimens • Wash your hands with soap and water after ALL experiments

  11. General Rules • Experiments must be personally monitored at all times • You will be assigned a lab station • Do not wander to other stations, disturb other students, or interfere with other students’ lab experiments

  12. General Rules • Handle all living organisms in a humane manner • Preserved biological materials are to be treated with respect and disposed of properly

  13. General Rules • When using knives and other sharp instruments, always carry with tips and points pointing down and away • Always cut away from your body

  14. General Rules • Dress properly for lab activities • Long hair must be tied back • Dangling jewelry or baggy clothing must be removed • Wear shoes that cover as much of your feet as possible

  15. Accidents and Injuries • Report ANY accident to the instructor immediately, no matter how trivial it may appear • If a chemical splashes on your skin, flush with running water • If it gets in your eyes, flush with water using the eye wash station

  16. Handling Chemicals • All chemicals in the lab are to be considered dangerous • Don’t touch, smell, or taste any chemicals unless specifically instructed to do so • When instructed to smell a chemical, waft the smell towards you. Don’t smell the chemical directly

  17. Handling Chemicals • Always double check the label on chemical bottles before removing any of the chemical • Take only as much as you need • Never return unused chemicals to their original containers • Never remove chemicals or other materials from the lab

  18. Handling Equipment/Glassware • Never handle broken glass with your bare hands • Use a brush and dustpan to clean up broken glass • Place broken glass in the designated glass disposal container

  19. Handling Equipment/Glassware • Never use chipped, cracked or dirty glassware • Do not immerse hot glassware in cold water as it may shatter • If you don’t understand how to use a piece of equipment, ask the instructor for help

  20. Heating Substances • Exercise extreme caution when using a gas burner • Never leave a lit burner unattended • Never leave anything that is being heated or is visibly reacting unattended • Turn off burner or hot plate when not in use

  21. Heating Substances • You will be instructed in proper methods of heating/boiling liquids in test tubes • Never point the open end of a test tube being heated at yourself or others • Never look into a container that is being heated

  22. Heating Substances • Heated metals and glass remain very hot for a long time • They should be set to cool and picked up with caution • Use tongs or heat-protective gloves if necessary