New Jersey Statutes Title 26. Health and Vital Statistics 26 § 2D-18

a. Plutonium isotopes in any quantity and form exceeding two grams or 20 curies, whichever is less;

b. Uranium enriched in the isotope U-235 exceeding 25 atomic per cent of the total uranium content in quantities where the U-235 content exceeds one kilogram;

c. Any of the actinides the activity of which exceeds 20 curies;

d. Spent reactor fuel elements or mixed fission products associated with such spent fuel elements the activity of which exceeds 20 curies;

e. Any quantity of radioactive material which exceeds 20 curies; or

f. Any lesser quantity of radioactive material which, when combined with any other quantity of such material, exceeds 20 curies.