The HSNO risk assessment model gathers and assesses information against five key areas to determine the risk and benefits before approving applications for importing or manufacturing hazardous substances.
These key areas are:
- Public health
- People and communities
- Māori culture.
The model assesses magnitude and likelihood of each risk and benefit, ranging from significant benefit to significant risk, to determine the weighting of each of the five key areas.
Then the model compares combined benefits and risks across all the five areas to get a complete picture. A decision is reached after careful evaluation of risks, benefits and risk management options.
The EPA relies on information from scientific data and evidence, economic information, grass-roots and local information as well as cultural perspective in reaching a decision.