Prepared at the 51st JECFA (1998), published in FNP 52 Add 6 superseding specifications prepared at the 44th JECFA, published in FNP 52 Add 3 (1995). ADI "treatment of crustacea at concentrations of up to 50 mg/l, resulting in residue levels of approximately 1 mg/kg in edible portion, is not of toxicological concern", established at the 44th JECFA in 1995.