[ RadSafe ] Pepto-Bismol

John R Johnson idias at interchange.ubc.ca
Wed Dec 13 19:01:25 CST 2006


According to Hardy et al (Table 1.1 in "Depleted Uranium, A Review of the
Scientific Literature as it Pertains to Gulf War Illnesses", Rand 1999) the
activity ratio of U-234 to U-238 is 0.18.

What do you mean by "pure depleted uranium"? Producing U-238 without U-234
is very difficult.


  -----Original Message-----
  From: Otto Raabe [mailto:ograabe at ucdavis.edu]
  Sent: December 13, 2006 3:43 PM
  To: John R Johnson; Flanigan, Floyd; Robert Atkinson; radsafe at radlab.nl
  Subject: RE: [ RadSafe ] Pepto-Bismol

  At 09:41 AM 12/13/2006, John R Johnson wrote:

    That's true unless the Po-210 resulted from Ra-226 or Pb-210 that was
    separated and concentrated from the U-238/U234.
  The statement to which I responded only referred to U-238, which I took to
mean pure depleted uranium.


  Prof. Otto G. Raabe, Ph.D., CHP
  Center for Health & the Environment
  University of California
  One Shields Avenue
  Davis, CA 95616
  E-Mail: ograabe at ucdavis.edu
  Phone: (530) 752-7754   FAX: (530) 758-6140

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