Activity in the HFIR Primary Coolant System After a Meltdown of the Fuel in Reactor Page: 1 of 21
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OAK RIDGE NATIONAL LABORATORY
UNION CARBID9 NUCLEAR COMPANY
Division of Union Corbd. Corporoo
Post fice Box X
Oak Ridle, Tennessee
June. 10, [960
CENTRAL FILES NMBER
External Distribution Authorized
sUBJECT: AVt vi ty in the HFIR Primary Coolant System after a- Meltdown
of the Fuel in Reactor
TO: W. R. Gall
FROM: H. A. McLain
An estimate was made of the fission product activity which would
result in the HFIR primary coolant system foLLowing a'meltdown
of the fuel element within the reactor. The rare gases and the
halogens appear to be the main contributors to the gamma activity
in the coolant system immediately after the meltdown, and iodine
appears to be the main contributor 24 hours after the meltdown.
This docunrwn contains InFormation 0f n preliminary siature
and was iwepared primarily ter iniemaI use co hs O& Ridge
National L4baratary. It is subject to revision ar cormeCtion
and therefore do*s wot represunw a Anal report. The information
is not to be abstracted, reprinted or osha'wise given public
dismemirunion without the approval o, uhf ORNL potent branch,
Legol and Infome'uor. Control Department.
D AT E:
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McLain, H. A. Activity in the HFIR Primary Coolant System After a Meltdown of the Fuel in Reactor, report, June 10, 1960; Tennessee. (digital.library.unt.edu/ark:/67531/metadc871003/m1/1/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.