Re: Smearing sources

["H.Wade Patterson" <hwade@talltown.com>]

Radsafers:

Prof.Cember, on page 394 of "Introduction to Health Physics", 2nd ed.,
says, "to test for surface contamination, wipe all exposed external
surfaces of the source thoroughly with a piece of filter paper or a
cotton swab moistened with an appropriate solvent, then measure the the
activity on the paper of the swab."
Thus, there seems to be no technical justification for a "dry" smear
test.
Wade Patterson