ML20081K799

Responds to NRC Document Review of AGN-201M Decommissioning Rept.Addresses in Sequential Order Question of NRC Listed in Document Review

ML20081K799
Person / Time
Site:	05000072
Issue date:	03/22/1995
From:	Slaughter D UTAH, UNIV. OF, SALT LAKE CITY, UT
To:	Alexander Adams NRC
References
NUDOCS 9503290285
Download: ML20081K799 (2)

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03/22/95 l l

1 Al Adams U.S. NRC  :

MS 011-B20 Washington, D.C. 20555

Dear Mr. Adams:

The CENTER response to the NRC's Document Review of the AGN-20lM Decommissioning report addresses in sequential order each question of the NRC listed in their document review. In l

cases where further clarification could be added to the individual sections of the final decommissioning document, the decommissioning document was amended. In cases where-  ;

further clarification of the final decommissioning document could be listed more clearly in note form, or no clarification could be added to the final decommissioning document, clarifications have been noted here in this response. The response note sheet accompanied by the NRC question sheet has been added to the final decommissioning document as an attachment.

it must be clarified here that the final decommissioning repon shows the status of the AGN-201M mactor and its pans only. The site where this reactor is housed is under license of the University of Utah's TRIGA reactor and is a restricted environment. Also, the AGN's maximum power was only 5 watts with a total run time of 473.3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br />, and 286.55 watt hours output. The reactor's operation took place over a period of 27 years with the last run taking place 9 years ago. Due to [

the tractor's low power output, activation is non-existent. After considering these facts, the primary concerns regarding the decommissioning of this reactor were contamination inside the core can due to direct contact with the fuel and exterior contamination from other sources. During the AGN reactor's lifetime, the reactor was housed in a location away from the TRIGA reactor's  ;

operations. This minimized the possibility of contamination from any operations involving the TRIGA reactor and its operation.

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4, Another problem addressed in the NRC document review is the inconsistency of data presentation.

This occurred because the reactor was partially decommissioned by one administrative staff from 1986 to 1991, and then finally decommissioned by another staff from 1991 to present.

Communication between these two staff groups has been incomplete. As one staffleft and the other took over the decommissioning process, many imponant details were not recognized nor were they transmitted at that time. Also, the possible transfer of the reactor to North Texas State was being considered. For these reasons, the decommissioning of the AGN became an increasingly lengthy process. Alterations in this report will attempt to address these issues and answer any questions concerning them.

The final decommissioning document was submitted to NRC Document Control on March 22, 1995. Please feel free to contact me at the CENTER,(801) 581-8499,if you have any questions or concerns regarding this document.

Respectfully, s

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David M. Slaughter, Ph.D.

Director of CENTER I

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