Attribution of the hazard properties 'toxic` (and 'very toxic`), 'harmful`, 'corrosive` and 'irritant` is made on the basis of the criteria laid down by Annex VI, part I A and part II B, of Council Directive 67/548/EEC of 27 June 1967 of the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (1), in the version as amended by Council Directive 79/831/EEC (2).
Pripis nevarnih lastnosti "strupeno" (in "zelo strupeno"), "škodljivo", "jedko" in "dražeče" temelji na merilih, določenih v Prilogi VI, del IA in del IIB, k Direktivi Sveta 67/584/EGS z dne 27. junija 1967 o približevanju zakonov in drugih predpisov v zvezi z razvrščanjem, pakiranjem in označevanjem nevarnih snovi [13], v različici, kakor je bila spremenjena z Direktivo Sveta 79/831/EGS [14].