EVALUATION 523,138 Evaluation of mercury, lead, cadmium and the food additives amaranth, diethylpyro-carbonate, and octyl gallate. The evaluations contained in this document were prepared by the joint FAO/WHO Expert Committee on Pood Additives which met in Geneva, 4-12 April 1972. Rome 1973 Food and Agriculture Organization of the United Nations 8 s. nlb. 2, 84. FAO/Food and Agriculture Organization Nutrition Meetings Report Series no 51A