Lab safety

• Harmful & irritant

  
• Corrosive

  
• Explosive

  
• Flammable

  
• Dangerous to the environment

  
• Toxic

  
• Health hazard

  
• Gas under pressure

  
• Safety hazards

  • Corrosive
  • Explosive
  • Flammable
  • Dangerous to the environment
  • Toxic
  • Irritant/Harmful
  • Health hazard
  • Gas under pressure
• Corrosive


  These substances may damage your eyes or skin
• Explosive


  May cause an explosion as a consequence of fire, heat, shock, or friction
• Flammable


  These substances catch fire easily
• Dangerous to the environment


  Indicates substances that are toxic to aquatic organisms
• Toxic


  These substances can kill you. Do not swallow them, breathe them in or get them on your skin
• Irritant/Harmful


  May irritate skin, or exhibit minor toxicity
• Health hazard


  Short or long term exposure could cause serious long-term health effects
• Gas under pressure


  Container contains pressurised gas. This may be cold when released, and explosive when heated
• • Independent variable - Changed variable
  • Dependant Variable - Measured variable
• Controlled variable - Variable that is kept the same