Når blandingen i sin helhed er blevet testet for at bestemme dens toksicitet for vandmiljøet, kan disse oplysninger anvendes til klassificering af blandingen efter de kriterier, der er aftalt for stoffer. ###>When the mixture as a whole has been tested to determine its aquatic toxicity, this information can be used for classifying the mixture according to the criteria that have been agreed for substances.