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[Fwd: [OEM] DOE: History of Releases of Recycled U]
Gary Greenberg wrote:
> http://tis.eh.doe.gov/legacy/releases/pr01045.html
>
> FOR IMMEDIATE RELEASE
> March 29, 2001
>
> NEWS MEDIA CONTACT:
> Dolline Hatchett, 202/586-5806
> Joe Davis, 202/586-4940
>
> Energy Department Releases Historical Studies of Recycled Uranium
>
> Differing Operational Practices Result in Data Inconsistencies Among
> Studies
>
> The Department of Energy (DOE) today released nine site-specific studies
> that examined the historical movement of recycled uranium throughout the
> Department's complex. The studies represent the fifth installment of a
> comprehensive effort begun by the department in September 1999 to
> address worker concerns associated with the historical use of recycled
> uranium at the Gaseous Diffusion Plants in Paducah, Kentucky,
> Portsmouth, Ohio, and Oak Ridge, Tennessee.
>
> The nine reports cover the following 12 sites: Hanford, Wash.; Savannah
> River, S.C.; Idaho National Engineering and Environmental Laboratory,
> Idaho; Fernald, Ohio; (including West Valley, N.Y.; Weldon Springs, Mo.;
> and RMI Inc. Ohio); the Gaseous Diffusion Plants in Paducah, Ky.;
> Portsmouth, Ohio; Oak Ridge, Tenn.; the Y-12 Plant, Tenn.; and Rocky
> Flats, Colo.
>
> The reports, as well as a project overview that describes the approach
> used to prepare the reports, are available on the web at
> http://tis.eh.doe.gov/legacy/. The reports provide a general
> understanding of the flow and characteristics of recycled uranium at
> individual sites. They identify where recycled uranium and trace amounts
> of other radioactive contaminants could have concentrated or been
> released, including historical periods, activities and concentrations,
> which may be useful for identifying potential worker exposure.
>
> Thousands of historical records were retrieved and analyzed to compile
> the data used in these studies. Based on this information, DOE has a
> good preliminary understanding of the characteristics and trace
> contaminants in the major streams of recycled uranium.
>
> However, because of differing operational practices, different
> designations for recycled uranium used by the sites in historical
> records dating back to 1952, and the extensive blending operations used
> by the sites, there are data inconsistencies among the reports. Because
> of these inconsistencies, the numeric totals of the sites cannot be
> calculated to yield an accurate accounting of the amount of recycled
> uranium across the DOE complex.
>
> To resolve these inconsistencies, and build on historical records, the
> Department's Office of Plutonium, Uranium, and Special Materials
> Inventory has been charged with conducting a follow-on study to develop
> a historical mass balance for uranium -- including recycled uranium. The
> nine recycled uranium reports will be used in the study.
>
> A brief press conference call will be held today at 3 p.m. for
> interested media who would like more specific information on the
> recycled uranium project. Please call (202) 586-5806 to receive the
> call-in number and to confirm your participation by noon today.
> - DOE -
>
> R-01-045
>
> --
> Gary N. Greenberg, MD MPH Sysop / Moderator Occ-Env-Med-L MailList
> gary.greenberg@duke.edu Duke Occupat, Environ, Int & Fam Medicine
> OEM-L Maillist Website: http://occhealthnews.com
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