Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 44 Radioactive chemical elements/isotopes and their compounds, etc 28 44 44 Radioactive residues 28 44 44 00 Radioactive residues Commodity Code Description 28 44 44 00 00 Radioactive residues