On 24 January 2023, the German Ordinance on Facilities Handling Substances That Are Hazardous to Water (AwSV) List of published water hazard class (WGK) classifications was updated.
24 substances were assigned a WGK of 1 (slightly hazardous to water), 21 substances were assigned a WGK of 2 (obviously hazardous to water), and 4 substances were assigned a WGK of 3 (highly hazardous to water).
