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Laboratory Safety

Laboratory Safety. Rules for Working in the Lab. Never work in the lab unless teacher is present. Follow all directions. Only do activities approved by teacher. If you don’t understand directions or equipment, ask teacher. Rules for Working in the Lab. Never fool around in lab.

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Laboratory Safety

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  1. Laboratory Safety

  2. Rules for Working in the Lab • Never work in the lab unless teacher is present. • Follow all directions. • Only do activities approved by teacher. • If you don’t understand directions or equipment, ask teacher.

  3. Rules for Working in the Lab • Never fool around in lab. • Wear appropriate clothing

  4. Rules for Working in the Lab • Keep lab clean and free of clutter • Keep floors and isles clear

  5. Rules for Working in the Lab • Know how to properly use lab equipment • Know what to do in case of injury and broken equipment • Keep things away from eyes, mouth and ears

  6. Conduct • Always be careful, even when using simple everyday materials. • Walk…don’t run • Never throw objects • Don’t touch equipment until told to • No horseplay or practical jokes • Follow both written and oral directions

  7. Protective Clothing • Safety Goggles • Protects eyes from chemicals and flying objects • Gloves • Protects hands from chemicals and germs

  8. Protective Clothing • Lab Coats and Aprons • Protects body and clothing from chemicals • Other • Tie long hair back • Wear shoes…no sandals or open toed shoes • No loose clothing

  9. Why You Are Suppose to Wear Your Safety Goggles!

  10. Other Considerations • Keep work area free of things you don’t need for the activity. • Never eat, drink, taste, touch, or smell anything while in the lab.

  11. Other Considerations • Always wash your hands thoroughly at end of lab session. • Everyone helps clean up lab

  12. Managing Accidents & Spills • Water Spill • clean up immediately • Chemical Spill • Keep others away…tell teacher

  13. Managing Accidents & Spills • Broken Glass - Tell teacher, use brush and dust pan, put all pieces in paper bag or cardboard box

  14. Managing Accidents & Spills • Minor Heat Burn - Run cold water over burn • Fire at Work Station - Tell adult and get away, Do not use water on electrical fire, Do not blow out fire by fanning • Person on Fire – drop to floor and roll…use fire blanket

  15. Safety Equipment • ABC Fire Extinguisher – use to put out fires

  16. Safety Equipment • Fire Blanket – put out small fires on surfaces or person

  17. Safety Equipment • Eye Wash Station – used to rinse eyes

  18. Safety Equipment • Shower – used if chemicals get on skin or seep through clothing

  19. Handling Chemicals • Never pour chemical back into original container • Many chemicals look alike…never use a chemical in an unlabeled container

  20. Handling Chemicals • Smell chemicals by wafting – hold ~15cm away and gently wave hand over open container • Wash with water if chemicals get on skin • Acids and bases neutralize each other

  21. Waste Disposal • Waste is material that is no use to you • Hazardous waste are materials that can harm living things and the environment.

  22. Non-Hazardous Waste • Even though not harmful must be disposed of properly • Paper and paper towels can be thrown in trash can unless used to wipe up hazardous waste

  23. Hazardous Waste • Never dispose of hazardous waste in a way that can threaten living things • Never pour down sink or in toilet • Flammable liquids or waste with flammable liquids should be disposed in something non-flammable with lid (metal)

  24. Heat Sources and Electricity • Heating A Container • Never heat something in a closed container • Make sure container is not cracked or chipped • Handling Hot Containers • Use heat resistant gloves or tongs • Hot and cold containers look the same…always assume container is hot

  25. Heat Sources and Electricity • Using A Hot Plate • Just like an electric stove • Make sure area is free of water • Using Electricity • Always unplug by pulling the plug itself • Never use water to put out an electrical fire • Make sure cords are in good shape

  26. Glassware • Make sure glassware is not cracked or chipped • Tell the teacher immediately • Label containers • Have paper towels close in case of spill

  27. Sharp Objects • Always hold firmly by handles • Never run while holding sharp objects • Cut in the direction away yourself and others • Never leave sharp objects lying around.

  28. Final Note • If any accident or spill occurs always tell the teacher immediately

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