(A) A permit issued by the Director of Municipal Services or his or her designated representative shall be required for the shipping or transportation of the following radioactive materials by motor vehicle into, around the perimeter of, within, through or out of the city:
(1) Plutonium isotopes in any quantity and form exceeding two grams or 20 curies, whichever is less;
(2) Uranium-enriched in the isotope U-235 exceeding two grams or 20 curies, whichever is less;
(3) Uranium-enriched in the isotope U-235 exceeding 25 atomic percent of the total uranium content in quantities where the U-235 content exceeds one kilogram;
(4) Any elements where atomic number 89 or greater, the activity of which exceeds 20 curies;
(5) Spent reactor fuel elements or mixed fission products associated with such fuel elements, the activity of which exceeds 20 curies;
(6) Large quantity radioactive materials;
(7) Any quantity, arrangement and packaging combination of fissile material specified by the United States Nuclear Regulatory Commission;
(8) Commission as a Fissile Class III shipment in 10 C.F.R. part 71, entitled “Packaging of Radioactive Materials for Transport”, § 71.4(d) (3); and
(9) Any shipment or transportation of radioactive material that is required by the appropriate regulating agency to be accompanied by an escort for safety reasons.
(B) This section shall not apply to radioactive materials shipped or transported by or for the United States Government for military or security purposes or which are related to national defense.
(2005 Code, § 8-603)