2021 Tennessee Code
Part 2 - Radiological Health Service Act
§ 68-202-202. Part Definitions

As used in this part, unless the context otherwise requires:
“Source material” does not include special nuclear material; and
“Special nuclear material” means uranium enriched in the isotope U-235 in quantities not exceeding three hundred fifty (350) grams of contained U-235, U-233 in quantities not exceeding two hundred (200) grams, plutonium in quantities not exceeding two hundred (200) grams; or any combination of them in accordance with the following formula: for each kind of special nuclear material, determine the ratio between the quantity of that special nuclear material and the quantity specified above for the same kind of special nuclear material. The sum of such ratios for all kinds of special nuclear material in combination shall not exceed “1.