ML20134Q095
| ML20134Q095 | |
| Person / Time | |
|---|---|
| Issue date: | 02/20/1997 |
| From: | Joseph Holonich NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Virgona J ENERGY, DEPT. OF |
| References | |
| REF-WM-64 NUDOCS 9702260244 | |
| Download: ML20134Q095 (2) | |
Text
-
c v
1 p ur p 4 UNITED STATES g j NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 2008H001 February 20, 1997 o% ...../
U.S. Department of Energy ATTN: Joseph Virgona, Project Manager Grand Junction Project Office P.O. Box 2567 2597 8 3/4 Road Grand Junction, CO 81502
SUBJECT:
LAKEVIEW EROSION PROTECTION MONITORING
Dear Mr. Virgona:
The U. S. Nuclear Regulatory Commission staff has reviewed the U. S.
Department of Energy (DOE) report, " Observations and Recommendations for Developing an Erosion Protection Monitoring Program for the Lakeview, Oregon, Title I disposal Site," submitted by letter dated December 20, 1996. Based on this review, the staff agrees that the initial survey proposed by DOE is needed to identify baseline. conditions for the cell erosion protection. The pregram identified in the submittal appears to be acceptable, but additional information is needed before the staff can evaluate the acceptability of the entire monitoring program.
The staff recognizes that much of the information that is needed will be provided after the initial baseline studies are completed and evaluated.
Therefore, it is premature at this time to specify future monitoring-activities. Factors such as number of samples ~ to be evaluated, number of large rocks to be observed, sampling methods, sampling frequency, and other variables can be determined only after the baseline study is completed.
Therefore, the monitoring procedures outlined in the submittal will likely need to be re-evaluated.-
The monitoring procedure specified by DOE indicates that some sampling will occur biannua ly. (" Biannual" is. defined by Webster as twice a year.) In the context of the submittal, it appears that DOE would like to sample the rock every two years, or biennially; however, the NRC staff considers that sampling every two years is not sufficient and that sampling twice a year may be excessive, unless it is determined that the rock is deteriorating extremely rapidly. Sampling during each annual inspection is likely to be more appropriate, unti trends or patterns are established. When the' actual 4'/J6 sampling frequency is determined after the baseline studies, DOE should clarify the intended sampling frequency.
DOE is requested to keep the NRC staff apprised of the schedule for activities at the site, including the annual inspection and the data-gathering y]OV h gg mE CEiB CBM o ,
\
9702260244 970220 PDR WASTE WM-64 PDR 4UU100
_ _ _ - - _ _ _ _ ._~ __
e .
n .
J. Virgona 2 activities. If you have any questions, please contact the NRC Project Manager, Ted Johnson at 415-6658.
Sincerely, (Original signed by)
Joseph J. Holonich, Chief Uranium Recovery Branch Division of Waste Management Office of Nuclear Material Safety !
and Safeguards I
l l
l i
DISTRIBUTION: FILE CENTER NMSS r/f PUBLIC URB r/f ACNW CCain RIV CNWRA 1
DOCUMENT NAME: S:\ URB \TLJ\LKVMONT.LTR L
OFC URB m.,, URB & f. URB s, @
! NAME TLJdnsd DGilNn JHolenN DATE 2//f/97 2/10/97 2/10/97 0FFLCIAL RECORD COPY