Le livre blanc de la Commission européenne, qui porte sur la future politique en matière de substances chimiques, stipule : « There are huge gaps in knowledge about substances . that not one country has been succesfull in overcoming».
In de ‘White Paper’ van de Europese Commissie over een toekomstig beleid inzake scheikundige stoffen staat: “There are huge gaps in knowledge about substances.that no one country has been succesfull in overcoming”.