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Lab Safety PowerPoint Presentation

Lab Safety

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Lab Safety

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  1. Lab Safety

  2. 1. Use a low speaking voice in the lab. 2. No horseplay or goofing around of any kind allowed in the lab. 3. No sitting on lab tables. 4. Be prepared to work when you arrive at the laboratory. If instructed to do so by your teacher, familiarize yourself with the lab procedures before beginning the lab. General Safety Rules

  3. 5. Perform only those lab activities assigned by your teacher. Never do anything in the laboratory that is not called for in the laboratory procedure or by the teacher. 6. Work areas should be kept clean and tidy at all times. Only lab handouts and notebooks should be brought to the work areas.Other books, purses, backpacks etc. should be left at your desk or placed in a designated storage area. General Safety Rules cont…

  4. 7. Food or drink are never allowed in the lab. Water may be drank in the front part of the classroom during non-lab days from your own water container(unless noted by the teacher). General Safety Rules cont…

  5. General Safety Rules cont… 8. Clothing should be appropriate for working in the lab. Jackets, ties and other loose garments should be removed. Long sleeves should be rolled up or secured in some manner. Jewelry that might present a safety hazard, such as dangling necklaces, chains, medallions, or bracelets, should not be work in the lab.

  6. General Safety Rules cont… 9. Long hair should be tied back or covered, especially in the vicinity of an open flame. 10. Follow all instructions, both written andoral, carefully. 11. Transitions should be done quietly, and efficiently.

  7. 12. A lab coat or apron should when instructed. Safety goggles will be required when using chemicals. 13. Set up apparatus as described in the lab instructions or by the teacher. Never use makeshift arrangements. General Safety Rules cont…

  8. General Safety Rules cont… 14. Always use the prescribed instrument (tongs, test-tube holder, forceps, etc.) for handling apparatus or equipment. 15. Keep all combustible materials away from open flames. 16. Never touch or taste any substance in the lab unless instructed to do so by the teacher.

  9. General Safety Rules cont… 17. Never put your face near the mouth of a container that is holding chemicals. 18. When testing for odors, use a wafting motion to direct the odors to your nose. Never smell any chemical unless instructed to do so.

  10. General Safety Rules cont… 19. Any activity involving poisonous vapors should be conducted in the fume hood. 20. Dispose of waste materials as instructed by the teacher.

  11. General Safety Rules cont… 21. Clean up spills immediately. 22. Clean and wipe dry all work surfaces at the end of class. Wash your hands thoroughly. 23. Know the location of emergency equipment (eye wash, fire extinguisher, shower, etc.) and how to use them. 24. Report all accidents to the teacher immediately.

  12. Chemical & Glassware Safety

  13. Chemical Safety: 25. Read and double-check labels on reagent bottles before removing any reagent. Take only as much reagent as reagent as you need. 26. Do not return unused reagent to stock bottles. Share! 27. When transferring chemical reagents from one container to another, hold the containers out away from your body.

  14. 28. When mixing an acid and water, always add the acid to the water. 29. Avoid touching chemicals with your hands. If chemicals do come in contact with your hands, wash them immediately. Chemical Safety cont…

  15. 30. Glass tubing, especially long pieces, should be carried in a vertical position to minimize the likelihood of breakage and to avoid stabbing anyone.Dispose of broken glassware in proper container. Glassware Safety:

  16. 31. Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Dispose of the glass as directed by your teacher. 32. Never use chipped or cracked glassware. Glassware Safety cont…

  17. 33. Other rules may be added as needed to ensure safety for all students. Lab Safety Rules

  18. First Aid

  19. Tell the teacher about ANY and ALL injuries, no matter how small they may appear to be. First Aid

  20. Injury: Burns To Do: Immediately flush with cold water until burning sensation is lessened. First Aid cont…

  21. Injury: Cuts, bruises To Do: Do not touch an open wound without safety gloves. Pressing directly on minor cuts will stop bleeding in a few minutes. Apply cold compress to bruises to reduce swelling. First Aid cont…

  22. Injury: Fainting To Do: Provide fresh air and have the person recline so that their head is lower than the rest of their body. First Aid cont…

  23. Injury: The eyes To Do: Flush eyes immediately with plenty of water for several minutes. If a foreign object is lodged in the eye, do not allow the eye to be rubbed. First Aid cont…

  24. Injury: Poisoning To Do: Find out what substance was responsible for the poisoning and alert the teacher immediately. First Aid cont…

  25. Injury: Spills on the skin To Do: Flush with large quantities of water. For acid spills, apply bakingsoda solution. For base spills, apply vinegar or boric acid. In VERY rare instances the shower may be used. NEVER use the shower without permission – there are no drains and it will cause severe flooding. You will be held financially responsible for all damages if you are found to have used the shower without permission. First Aid cont…

  26. Injury: Electrical shock To Do: Shut off the current at the source. Remove wire with rubber gloves. Alert the teacher immediately. First Aid cont…

  27. Safety with chemicals and dissecting specimens: • Safety with chemicals and dissecting specimens: • Do not touch or taste any chemical unless specifically instructed to do so. • Read chemical labels more than once before using the contents - it is easy to confuse chemicals. • When working with chemicals or dissections, keep your hands away from your face.   The skin on your face is much more sensitive to irritation than your hands. • To smell something, hold it away from your nose and wave your hand over it towards your nose.  You may pass out or inhale dangerous gases is you just stick your nose over the container and breath in. • Flush any chemical spill on your skin with plenty of water.  The rule of thumb is 15 minutes. • When heating anything in a test tube, point the mouth of the test tube towards a wall, away from people. • Do not lay the glass stopper from a reagent bottle on the lab table.  Hold the handle of the stopper between two fingers while you pour from the bottle. • When mixing acids and water, pour the acid into the water.  Remember, AnW (root beer) • Wash your hands when you are finished with the lab.

  28. Safety Symbols

  29. Lastly You are financially responsible for any items you break or damage in the laboratory. BE CAREFUL!