[badmin_]

Depending on the amount, a license would be required.

Here's a link to current limitations: https://www.nrc.gov/reading-rm/doc-collections/cfr/part030/p...

Link regarding exempt amounts:https://www.nrc.gov/reading-rm/doc-collections/cfr/part030/p...

[rdtsc]

Ah interesting. Apparently there is no exempt quantity of Cf-252.

[badmin_]

Well I just found out that I was grossly underestimating the danger of handling Cf-252, given its half-life.

Look what ORNL used to transport 1g: https://en.m.wikipedia.org/wiki/Californium#/media/File%3ACf...

[rdtsc]

Yeah. A single fission event can generate 2-4 neutrons, so even a tiny spec can be pretty dangerous.

Here are the drums used for shipping much smaller amounts:

http://www.frontier-cf252.com/custom-type-a-packaging-radioa...