On 12 August 2022, 5 agents were newly classified by the IARC Monographs:

1. Diphenylamine

   Group 2B

2. 1,2-Diphenylhydrazine

   Group 2B

3. 1,1,1-Trichloroethane

   Group 2A

4. Isophorone

   Group 2B

5. N-Methylolacrylamide

   Group 2B