[ RadSafe ] Analysis of Hawaiian Soil Sample for Depleted Uranium

Dan D. Palmer ddpalmer at duf6.com
Thu Jul 17 13:27:11 CDT 2008

U236 can indicate the presence of DU rather than or in addition to
natural uranium. U236 is formed by U235 absorbing a neutron, which
occurs mainly in a reactor. Since some enrichment plants at some times
were feed uranium recovered from spent fuel, the plants were
contaminated with U236 (along with many other isotopes) which would end
up in the resulting DU.
But the presence of U236 and the ratio of U236:U238 would depend on what
enrichment plant and at what time the DU was withdrawn from the system.
Therefore the presence of U236 is an indicator of the presence of DU,
but the absence of U236 does not mean an absence of DU. And the amount
of U236 can't be used to quantify the amount of Depleted U versus
Natural U.
"It is interesting that upsilquitch (believed to be Ted Weymann of the
so-called Uranium Medical Research Centre, with no known education or
experience in either uranium or medicine) belittles this report from
Professor Randall Parrish, who normally sides with the anti-depleted
uranium crusaders, such as his being invited to Colonie, NY to sample
the area around the closed National Lead Foundry FUSRAP site. What do
you say about Parrishes presumption that U236 is indicative of depleted
uranium. "


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