ML051930535
| ML051930535 | |
| Person / Time | |
|---|---|
| Site: | University of Virginia |
| Issue date: | 06/20/2005 |
| From: | Bauer T Oak Ridge Institute for Science & Education |
| To: | Holmes S Office of Nuclear Reactor Regulation |
| References | |
| Download: ML051930535 (3) | |
Text
DailHges - Reviewq of UA Reponses to NRC RAI s Page 1 From:
"Bauer, Tim" <BauerT~orau.gov>
To:
"'.Stephen Holmes..' <swh~nrc.gov>
Date:
Thu, Jan 20, 2005 9:32 AM
Subject:
Review of UVA Responses to NRC RAls
- Stephen, As you requested via a phone call on January 11, 2005, ESSAP has reviewed the following documents sent to the NRC in response to the NRC's requests for additional information (RAI).
ADAMS Accession Number ML0435000170 (1) Response to ORISE Comments Regarding the Final Status Survey Report for the University of Virginia Reactor Facility Decommissioning Project (2) Document Change Outline for Final Status Survey Report, University of Virginia, November 23, 2004 (3) Explanation of Significant Technical Changes for Final Status Survey Report, University of Virginia, Revision 1, November 2004 ADAMS Accession Number ML0435000220 (4) Final Status Survey Report, Evaluation of Radiological Results Relative to Termination of NRC License R-66, University Of Virginia, Charlottesville, Virginia, Revision 1, November 2004 (5) Instrument Set 1 1, Revision 1, Incorporates 3 calibration data sheets, Clarifying the use of Tc-99 and Ni-63 Calibration sources UVA has adequately addressed the concerns put forth in the NRC's RAI.
ESSAP's review indicates that the final status survey report (FSSR, Ref. 4) documents that the site meets the radiological criteria for release for unrestricted use. Based on these results, ESSAP will coordinate with UVA to schedule the confirmatory survey.
ESSAP would like to take the opportunity to discuss one of the technical changes to the FSSR. Response to RAI 4 (Ref. 1) discusses the resolution to the gamma scans having inadequate sensitivity for Co-60 in the high background fields. The technical basis for showing that the sensitivity met the screening DCGL was that the Co-60 decayed enough since the final status survey to the time the responses were drafted to meet the DCGL. In fact, one area still did not meet the DCGL after that decay, and would require three more months of decay to ensure the area that was scanned met the DCGL at the time of the survey. While this technical change solves the problem of inadequate final status survey planning, it is not an acceptable standard practice.
If you have any questions, please contact myself or Timothy J. Vitkus at 865-576-5073.
-Tim Timothy J. Bauer Health Physicist Health Physics and Technical Projects Group (HPTP)
Environmental Survey and Site Assessment Program (ESSAP)
Oak Ridge Institute for Science and Education (ORISE)
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Daniel Hughes - Review of UVA Responses to NRC RAls P.O. Box 117, MS-19 Oak Ridge, TN 37831-0117 Voice: 865-576-3356 Fax:
865-241-3497 E-mail: bauertlorau.gov http:/Iwww.orau.gov/essap Page 2]
CC:
"Daniel E. Hughes (deh3@nrc.gov)" <deh3@nrc.gov>, "Vitkus, Tim"
<VitkusT@orau.gov>
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Review of UVA Responses to NRC RAIs 1/20/05 9:29AM "Bauer, Tim" <BauerT~orau.gov>
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SWH (Steven Holmes) orau.gov VitkusT CC (Tim Vitkus)
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