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 20 Enriched uranium and plutonium and their compounds, etc 28 44 20 00 Enriched uranium and plutonium and their compounds, etc Commodity Code Description 28 44 20 00 00 Enriched uranium and plutonium and their compounds, etc