Re: Dirty bombs

[BERNARD L COHEN <blc+@PITT.EDU>]

On Thu, 27 Feb 2003, Tom Hazlett wrote:



> My understanding is that Cs diffuses into concrete.  That makes it

> impossible to wash away.



	--Does cesium diffuse into concrete more rapidly than sodium? We

spread enormous quantities of NaCl for de-icing purposes, and it seems to

wash away rapidly, even without human effort such as hosing.

	Do you know a reference on Cs diffusing into concrete?



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