On 12-13 March 2024, the German Ordinance on Facilities Handling Substances That Are Hazardous to Water (AwSV) List of published water hazard class (WGK) classifications was updated. The following substances were newly assigned a WGK:

1. Fatty acids, C18-unsatd., diesters and triesters with trimethylolpropane

   WGK awg (generally hazardous to water)

2. 3-(heptyloxy)propane-1,2-diol

   WGK 1 (slightly hazardous to water)

3. Reaction product of 4,4'-methylenediphenyl diisocyanate and p-Toluidine

   WGK 1 (slightly hazardous to water)

4. 1,2,3-Propanetriol, 1,2,3-tribenzenesulfonate

   WGK 1 (slightly hazardous to water)