Risk Rating Matrix

Degree of harm

• Very minor harm – no treatment
• Minor harm – basic first aid
• Moderate - first aid/medical treatment is required.
• Serious - extensive injury
• Death or permanent disability

Likelihood

• Almost certain = Expected and almost inevitable
• Very Likely = Expected – not surprised when it does
• Likely = Might occur next 2- 10 years
• Unlikely = could occur but would be surprised
• Very unlikely = Highly unexpected i.e. not in the next 50 years