On 20 April 2023, the German Committee on Hazardous Substances (Ausschuss für Gefahrstoffe - AGS) Technical Rules for Hazardous Substances (TRGS) 900 Workplace exposure limits were updated.

The limits of the following substances were updated:

1. Acrylic acid

2. Cumene

3. 1,4-Dioxane

4. 2-Ethylhexan-1-ol

The following substance was deleted:

1. 1,2-Dibromoethane