Hazardous Chemicals

GHS, SDS, and safe handling

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About this topic

The Globally Harmonised System (GHS) and WHS Regulations Chapter 7 govern hazardous chemical management in Australian workplaces. Questions in this topic test SDS requirements, GHS pictograms, exposure routes, and correct controls.

Key facts to remember

  • An SDS has 16 sections, memorise: S2 = Hazard identification, S8 = Exposure controls/PPE.
  • SDSs must be kept for 5 years after the chemical was last used at the workplace.
  • Every workplace using hazardous chemicals must maintain a chemical register.
  • DANGER (more severe) vs WARNING (less severe), GHS signal words.
  • Skull and crossbones = acutely toxic. Flame = flammable. Corrosion symbol = corrosive.
  • Silica dust from cutting concrete is a known carcinogen, use wet cutting or LEV.
  • Friable asbestos removal requires a Class A removalist licence.

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