… (awg). You can search for WGK of currently published WGK classifications at the Rigoletto web data base . Substances without a published  WGK classification in neither the Bundesanzeiger nor on the Rigoletto data base  must be regarded as highly hazardous to water (WGK 3) for … not change compared to the notification draft.   Associated content Links Database Rigoletto Documents AwSV (english draft 2015) (1.59 MB) Formblatt 1: Stoffe (890.97 …