"harmful substances" in German harmful substances Schadstoffe Schmutzstoffe Detailed translations for "harmful substances" harmful substances harmful substances(also: noxious substances, polluting agents, pollutants, contaminants) Schadstoffe{masculine plural} According to our intel this will create more harmful substances than ever. Source: opensubtitles.org Corpus by OPUS Request review Unseren Informationen nach werden dadurch mehr Schadstoffe freigesetzt als je zuvor. harmful substances(also: noxious substances, polluting agents, pollutants, contaminants) Schmutzstoffe{masculine plural}