?? Unaccessible releases

[Bruce Busby <bbusby@umich.edu>]

Hi All,

Here is another question that I hope someone could help out with. Thanks,
as always, please respond to the E-mail address below and not Radsafe.

Bruce Busby
bbusby@umich.edu

---------- Forwarded message ----------
From: William_J_Klover@rl.gov

Can you provide document refs./names/phone #s regarding current technology
used to survey/characterize for possible "free release" normally
inaccessible surfaces(e.g. pipes through wall penetrations). 
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Bill Klover 
William_J_Klover@rl.gov

E-mail: William_J_Klover@rl.gov