Rigoletto

Homepage of the Rigoletto websiteClick to enlarge
Rigoletto website
Source: Umweltbundesamt

To protect bodies of water from detrimental changes to their characteristics caused by substances that are hazardous to water emanating from facilities it is required that substances and mixtures are classified for their water-hazardous properties. There are three water hazard classes (WGK). You can search for WGK of currently published WGK classifications in the public section of this webpage.