Flowchart: Test data on the mixture as a whole: if yes, classify; if No, then if Sufficient data available on similar mixtures to estimate classification hazards, Apply bridging principles in A.1.3.5 and classify; if No, then if Available data for all ingredients, Apply formula in A.1.3.6.1 and classify; if No, then if Other data available to estimate conversion values for classification, Apply formula in A.1.3.6.1 and classify; if No, then Convey hazards of the known ingredients and Apply formula in A.1.3.6.1 (unknowningredients ≤10%) orApply formula in A.1.3.6.2.3 (unknown ingredients >10%) and classify.