The Deputy Administrator for Defense Programs may authorize, on a case-by-case basis, DOE air shipments of plutonium where the Deputy Administrator determines that rapid shipment by air is required to respond to an emergency situation involving possible loss of life, serious personal injuries, considerable property damage, or other significant threat to the public health and safety.
Code of Federal Regulations
[42 FR 48332, Sept. 23, 1977, as amended at 71 FR 68734, Nov. 28, 2006]