On 23-27 February 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. Alcohols, C14-15, branched and linear

   WGK 2 (obviously hazardous to water)

2. 4-Chloro-2-[(2-furylmethyl)amino]-5-sulfamoylbenzoic acid

   WGK 3 (highly hazardous to water)

3. Polymer of Maltodextrin, Acrylic acid and (3-methacrylamidopropyl)trimethylammonium chloride (average molecular weight 6600 g/mol)

   WGK 1 (slightly hazardous to water)

4. Poly[oxy(methyl-1,2-ethanediyl)], α-[2-[[3-ethoxy-1-(ethoxycarbonyl)-3-oxopropyl]amino]methylethyl]-ω-[2-[[3-ethoxy-1-(ethoxycarbonyl)-3-oxopropyl]amino]methylethoxy]- , residual Diethyl fumarate < 0,2 %

   WGK 1 (slightly hazardous to water)

5. Spiro[piperidine-1,1'-pyrrolidinium] bifluoride

   WGK 2 (obviously hazardous to water)