Oeko-Tex is pleased to announce that it is joining the Zero Discharge of Hazardous Chemicals (ZDHC) Program (Photo: adpic) 24/01/2017 – Oeko-Tex Oeko-Tex Partnership with ZDHC Oeko-Tex is pleased to announce that it is joining the Zero Discharge of Hazardous Chemicals (ZDHC) Program. By Editorial staff