Germany AwSV List of published WGK classifications updated

On 2 April 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. C.I. Acid Yellow 3

   WGK 1 (slightly hazardous to water)

2. Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate

   WGK 2 (obviously hazardous to water)

3. Sodium [N-[2-[bis(carboxymethyl)amino]ethyl]-N-(2-hydroxyethyl)glycinato(4-)]ferrate(1-)

   WGK 2 (obviously hazardous to water)