On 18 April 2023, the Netherlands’ National Institute for Public Health and the Environment (RIVM) added the following substances to the List of Substances of Very High Concern (ZZS):

1. 3-bromobiphenyl

2. 4,4'-dibromobiphenyl

3. 4-bromobiphenyl

4. Disodium 4-amino-5-hydroxy-6-[[4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonate

5. Frits, chemicals

6. Kerosene

7. Kerosene (petroleum), straight-run wide-cut

8. Nonabromo-1,1'-biphenyl

9. Slags, tellurium

10. Tetrabromo(tetrabromophenyl)benzene