Re: Deadly Plutonium ?

["Otto G. Raabe" <ograabe@ucdavis.edu>]

February 12, 2000
Davis, CA

Actually, there must be some atoms of Pu-239 in all natural uranium and
older DU since both U-239 and U-235 undergo spontaneous fission (at a low
rates) which produces high energy neutrons that can be captured by U-238
yielding U-239 which decays to Np-239 and then to Pu-239.

Otto

		*****************************************************
		Prof. Otto G. Raabe, Ph.D., CHP
              Institute of Toxicology & Environmental Health (ITEH)
		   (Street address: Building 3792, Old Davis Road)
		University of California, Davis, CA 95616
		Phone: 530-752-7754  FAX: 530-758-6140
		E-mail ograabe@ucdavis.edu
              *****************************************************
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