Hvis en bestanddel, for hvilken der ikke foreligger brugbare oplysninger overhovedet, bruges i en blanding i en koncentration på 1 % eller mere, konkluderes det, at blandingen ikke kan tildeles et definitivt estimat for akut toksicitet.
In the event that an ingredient without any useable information at all is used in a mixture at a concentration of 1 % or greater, it is concluded that the mixture cannot be attributed a definitive acute toxicity estimate.