Hvis en bestanddel, for hvilken der ikke foreligger brugbare oplysninger overhovedet, bruges i en blanding i en koncentration på ≥ 1 %, konkluderes det, at blandingen ikke kan tildeles et definitivt akut toksicitetsskøn.
In the event that a component without any useable information for classification is used in a mixture at a concentration ≥ 1 %, it is concluded that the mixture cannot be attributed a definitive acute toxicity estimate.