27 Classification of a mixture 100 ATE mixture =∑ CiCi ATE i n ConcentrationLD 50 oralClassification Substance 11%225 mg/kg Substance 23%100 mg/kg Substance 310%Acute tox, cat 3 Water76% 100 ATE mixture 1 225 + 3 100 + 10 100 ATE mixture = 743 mg/kg bw = ATE: 100