Australia Model Code of Practice: Managing Risks of Hazardous Chemicals in the Workplace 4.1a: 4.1 Eliminate hazards and substitute less hazardous chemicals

The PCBU must first aim to eliminate the hazard, which means removing the hazardous chemical or work practice, for example using nails instead of chemical adhesives or buying pre-mixed or diluted chemicals so nobody mixes them. Where that is not reasonably practicable, substitute a chemical that is less hazardous, for example a less volatile material to control vapour (often cheaper than ventilation), a less flammable liquid, a chemical with one hazard class rather than several, a less hazardous replacement for carcinogens, mutagens, reproductive toxicants and sensitisers, diluted acids and alkalis in place of concentrates, and paste or pellet in place of dust or powder. A purchasing policy that favours non-hazardous and less hazardous products supports both.