What is a Hazardous Substance?
A hazardous substance is a substance or mixture of substances that are potentially harmful to health.
Hazardous substances can take many forms and include:
• Products containing chemicals (e.g. adhesives, paints, cleaning agents, printer/photocopier toner)
• Fumes (e.g. fumes from soldering and welding)
• Dusts (e.g. grain dust)
• Vapours, mists and gases
• Biological agents such as bacteria and other micro-organisms
Virtually all workplaces use or contain hazardous substances of some kind. Some examples of hazardous substances include:
• Bleach and other cleaning agents with a warning label
• Wood, grain and paper dust
• Glues, adhesives, solvents and paints • Pesticides and chemical fertilisers
• Medicines and biological agents
• Oils and fuels
• Printer/photocopier toner and inks