Identify Common Hazards in a Laboratory
- 2. Protect Your Eyes • Appropriate eye protection must be worn at all times! • Inform your teacher if you wear contact lenses.
- 3. Wear appropriate protective clothing • Lab aprons can be used to protect good clothing and you • Loose clothing should not be worn because it may dip into chemicals or fall into a flame and catch fire
- 4. Wear shoes that cover your feet. • Sandals and open- toed shoes do not protect your feet from broken glass that is frequently found in the lab
- 5. Do not apply cosmetics, eat, or drink in the lab. • These activities are ways by which you can accidentally ingest harmful chemicals
- 7. Do not taste any chemical!
- 8. Pour from large containers to smaller ones.
- 9. Always ADD ACID to water acid water
- 10. Work with volatile chemicals under a fume hood.
- 11. Check glassware for stars or cracks.
- 12. Heat test tubes at an angle.
- 13. Handle hot glassware with gloves or beaker tongs.
- 14. First light the match THEN Turn on the gas!
- 15. Do not smell any chemicals directly! • Smell chemicals only if your teacher specifically tells you to do so, then use your hand to fan the vapor to your nose.
- 16. Do not pipet solutions by mouth! • Use a rubber suction bulb or other device to fill a pipet.
- 17. Wash your hands with soap and water before leaving. • This rule applies even if you have been wearing gloves!
- 18. Know the hazards of the materials being used. • Read and reread labels carefully to make sure that you are using the right chemical. • Pay attention to the warnings about the chemicals used in the lab.
- 19. Tie Back Loose Hair • Dangling hair can fall into the Bunsen burner and catch fire or can fall into a chemical solution • P.S. Burning hair REALLY STINKS!
- 20. Know the safety equipment • Eye wash fountain • Safety shower • Fire extinguisher • Emergency exits
- 21. Carry out only the experiments assigned by your teacher I wonder what he’s planning to do with that thing.
- 22. Never remove chemicals from the laboratory This guy put chemicals in his locker!
- 23. Never work alone in the lab • In case of a problem, you may need another person to prevent injury or even save your life!
- 24. Remember that the lab is a place for serious work! Careless behavior may endanger yourself and others and will not be tolerated!
- 25. Demonstrate safe behavior • Obey all safety instructions given by your teacher or found in you experimental procedure. • Clean up spills immediately; IF you know how. If you are uncertain how to clean up a spill or if a large spill occurs, notify your teacher immediately.
- 26. Demonstrate safe behavior • Before leaving the lab:
- 27. Demonstrate safe behavior • Before leaving the lab: – Return equipment and chemicals to their proper places (Ms. Heller’s pet peeve!)
- 28. Demonstrate safe behavior • Before leaving the lab: – Return equipment and chemicals to their proper places – Be sure to replace the lids to all containers
- 29. Demonstrate safe behavior • Before leaving the lab: – Return equipment and chemicals to their proper places (Ms. Heller’s pet peeve!) – Be sure to replace the lids to all containers (Ms. Heller’s really big pet peeve!) – Clean up your work area (Yes – another of Ms. Heller’s pet peeves!)
- 30. Know how to dispose of waste • Dispose of all waste materials according to your instructional procedure or your teacher’s instructions ? ? ? ?
- 31. Report any accidents or unsafe conditions immediately!