What criteria are used to include substances in Annex IV?
The inclusion of substances in Annex IV is based on comprehensive scientific data. The criteria include:
1. Human Health - Substances must not pose a significant risk to human health. This is determined through extensive toxicological data and testing.
2. Environmental Impact - Substances should not have adverse effects on the environment. This involves assessing the persistence, bioaccumulation, and toxicity of the substances.
3. Existing Knowledge - There must be substantial existing information confirming the safety of the substance.