Ugotavljanje fizikalno-kemijskih, toksikoloških in ekotoksikoloških lastnosti se izvaja v skladu z metodami, ki jih določa Direktiva Komisije 84/449/EGS iz dne 25. aprila 1984 o šesti prilagoditvi Direktive Sveta 67/548/EGS o približevanju zakonov in drugih predpisov v zvezi s klasifikacijo, pakiranjem in označevanjem nevarnih substanc [4], tehničnemu napredku, ali z metodami, ki so jih mednarodno priznale znanstvene organizacije.
The determination of physico-chemical, toxicological and ecotoxicological properties shall be performed in accordance with the methods established by Commission Directive 84/449/EEC of 25 April 1984 adapting to technical progress for the sixth time Council Directive 67/548/EEC on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (2), or with methods internationally recognized by scientific bodies.