airport explosive detection systems -Reply

[Keith Brown <KDB1@nrc.gov>]

>>>>>>>>>>>>>>>
The comment on airport explosive detection systems was:

>I believe the systems all use Cf-252, but since
>DoE has not made any for a while the inventory
>is going away fast.

How much Cf-252 is in these devices?  Less than 1 nCi?

Barbara L. Hamrick
BLHamrick@aol.com

<<<<<<<<<<<<<<<
A nanocurie would not be enough for a practical system.  The devices use
around 80 millicuries each -- not a huge amount of material, but enough to
get a reading quickly.

Keith Brown
kdb1@nrc.gov