ML20034G337
| ML20034G337 | |
| Person / Time | |
|---|---|
| Site: | 05000142 |
| Issue date: | 02/18/1993 |
| From: | Reese J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Takahashi J CALIFORNIA, UNIV. OF, LOS ANGELES, CA |
| References | |
| NUDOCS 9303090350 | |
| Download: ML20034G337 (5) | |
Text
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UNITED STATES
/
%o, NUCLEAR REGULATORY COMMISSION yv i
REGION V j,
1450 MARIA 1ANE
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WAtNUT CREEK.CAUFORNIA 94596-53GB EEB 181933 Docket No.
50-142 License No. R-71 University of California at Los Angeles Community Safety / Radiation Safety 2195 West Campus Medical Building Los Angeles, California 90024-1765 Attention:
Mr. Joseph M. Takahashi, C.H.P.
i Radiation Safety Officer /0wner's Representative
SUBJECT:
FINAL DECOMMISSIONING REPORT FOR 80EL'._R REACTOR FACILITY, Dated January 4, 1993 This letter refers the review of the subject document that was jointly performed by the NRC and Oak Ridge Institute for Science and Education (0 RISE). Attachment A offer NRC and ORISE comments for your consideration.
The offered comments will have to be satisfactorily addressed before scheduling ORISE to conduct a confirmatory survey.
If you have any question regarding the attached comments, we will be glad to discuss them with you.
S'
- rely, J
e e.
e fa lities Radiological Protection Branch
Enclosure:
Attachment A:
List of NRC/0 RISE Comments l
I 9303090350 930218 PDR ADOCK 05000142 P
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Department of Justice California Department of Health Services Daniel Hirsch Christine Helwick, Esq.
Dean Hansell Committee to Bridge the Gap Mr. John Bay Mr. James Heelan t
Roger Kohn, Esq.
Robert M. Meyers, Deputy City Attorney Vincent Sato, Office of City Attorney William E. Kastenberg, Professor i
Lydia Kowalski, Administrative Officer William H. Commier, Director of Capitol Programs
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r ATTACHMENT A i
LIST OF COMMENTS General-l
+A statement should be included which indicates why measurements for alpha activity were not performed.
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+Were surveys of the area immediately adjacent to the reactor area performed, for example the transformer room.
Is the survey. data for these areas available?-
+Throughout the document, one of the release criteria is stated as 5 mrem /h above background at 1 meter. Data supporting this criteria is reported in the same units of mrem /h. The guideline is stated as 5 uR/h above background at 1 meter. Did your data meet this criteria?
Specific:
l.
Page 5, paragraph 1 - The type of enrichment of fuel utilized should be included in the description.
3 2.
Pages 6 and 7, Figures 2 and 3 - Were any difficulties in surveying the reactor area encountered due to the presence of the Tokamak?
Is there i
any possibility for cross contamination of the reactor area as a result of activities performed in the Tokamak?
3.
Page 10, Processes Performed - Were there any spills or any I
abnormal / unplanned releases (excluding gaseous) during the operating history of the former reactor?
4.
Page 11 - Is there any explanation for the reported increase in exposure rates reported on Figures 6 and 7 and those reported in the tables of Appendix C, i.e., in the Change Room and Control Room?
5.
Page 21, Major Contaminates - In the " concrete chip" and the " concrete sample," the H-3 concentration was 14% and 6% of the total reported activity, respectively. Were the guidelines, as applied to the determination of total surface activity, adjusted to take into account this unmeasurable fraction of the residual activity?
6.
Page 24, Contaminated Drain Line Removal - Was the embedded drainline completely contained in the area which was surveyed?
7.
Page 38, Floor Drains and Piping Inlet / Outlets - Is the contamination and-l direct measurement survey data for these drains available for our review?
8.
Page 39, Soil Sample - At a minimum, the MDAs for the contaminants potentially present should be included in this section.
Is there any explanation for the elevated H-3 concentrations?
l 9.
Were any surface contamination and direc' surface measurements made
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4 inside the inlet and outlet of the ventilation duct? Is the data I,
available?
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bcc w/ enclosure John Martin, RV Bobby Faulkenberry, RV G. Cook, RV Seymour H. Weiss, NRR A. Adams, NRR l
David Tiktinsky, NMSS Tin Mo, NMSS Docket Files i
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