[ RadSafe ] Fallout "preserved" in concrete

Keith Welch welch at jlab.org
Fri Feb 20 15:33:46 CST 2009

Hello Radsafers,

I'm looking for data regarding levels of radioactivity in concrete as a 
result of weapons fallout.  I'm evaluating some concrete that was cast 
in the early to mid 1960s, and trying to determine if there might be 
elevated levels of Sr-90 or other nuclides in the concrete due to the 
prevailing levels in the environment at the time.  I've searched the 
on-line literature pretty thoroughly, and have not come up with 
anything.  Existing documentation that I can find only speaks to natural 
radioactivity in concrete (NCRP etc.).
Thanks for anything you can suggest.
Keith Welch
Jefferson Lab

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