Laboratory Safety

• Who is the author of the Laboratory Safety Guidelines?

  Ms. Rebelen M. Cabello, RCT
• Why are laboratory policies important?

  They provide guidelines for instructors, technicians, and students to follow during experiments.
• What does the phrase "SAFETY IS NO ACCIDENT" imply?

  Safety requires proactive measures and awareness.
• What are safety symbols used for in the laboratory?

  • Alert users to possible dangers
  • Appear in laboratory activities
  • Remind users to work carefully
• What should you do if you notice an unsafe area in the laboratory?

  Notify the teacher immediately.
• What is the importance of wearing appropriate eye protection in the lab?

  It protects your eyes from hazardous substances and flying debris.
• What should you do if a chemical spills on your skin?

  Notify the teacher and rinse with water for 15 minutes.
• What are the key protective measures to take in the laboratory?

  • Secure long hair
  • Wear appropriate eye protection
  • Use a mask
  • Wear a long-sleeved laboratory coat or chemical-resistant apron
  • Use gloves
  • Wear closed-toe shoes
• When should safety helmets be worn in the laboratory?


  Where appropriate, as indicated by the lab guidelines.
• Why is it important to keep work areas clean and uncluttered in the lab?

  To prevent accidents and ensure safety during experiments.
• How should you respond to a fire in the laboratory?

  Extinguish all flames, shut down experiments, and vacate the room.
• What are the emergency procedures to follow in case of an accident in the laboratory?

  • Know the location of exits
  • Follow the established emergency plan
  • Report injuries to the instructor
  • Use first aid if necessary
• What should you do with personal protective equipment before leaving the laboratory?

  Remove all personal protective equipment.
• Why are emergency showers and eyewash stations important?

  They provide on-the-spot decontamination for hazardous substances.
• What should you do if you see a spill in the laboratory?

  Contain the spill and notify the teacher immediately.
• What are the guidelines for waste disposal in the laboratory?

  • Label waste jars/containers properly
  • Never leave chemical wastes unlabeled
  • Dispose of chemicals as instructed
  • Use appropriate containers for hazardous waste
• What should you do with chemical waste after an experiment?

  Place it in a properly labeled container.
• What is the purpose of the Globally Harmonized System labeling guide?

  To provide standardized symbols for hazardous materials.
• What are the key components of the emergency response procedure in the laboratory?

  • Know the location of exits
  • Follow the emergency plan
  • Report injuries
  • Know how to operate fire extinguishers and first-aid kits
• What should you do if you encounter a chemical spill that poses a fire hazard?

  Extinguish all flames and vacate the room.
• How should you handle chemical spills in the laboratory?

  Contain the spill, clear the area, and clean it up immediately.
• What materials can be used to neutralize spills in the laboratory?

  • Powdered sodium bicarbonate for acids
  • Sodium thiosulfate solution for bromine
  • Slaked lime and soda ash for organic acids
  • Commercial absorbents or spill kits for general spills