ML20196L083
| ML20196L083 | |
| Person / Time | |
|---|---|
| Issue date: | 06/24/1988 |
| From: | Bangart R NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Thompson H NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| Shared Package | |
| ML20196L085 | List: |
| References | |
| REF-WM-3 NUDOCS 8807070222 | |
| Download: ML20196L083 (3) | |
Text
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JUN 2 41988 MEMORANDUM FOR: Hugh L. Thompson, Jr., Director Office of Nuclear Material Safety and Safeguards FROM:
Richard L. Bangart, Acting Director Division of Low-Level Waste Hanagement and Decomissioning
SUBJECT:
TRANSMITTAL OF REPORT CONCERillhG LLW STABILITY We are transmitting for your review and coment a report titled "Current s
Status and Proposed Action for Regulation of LLH Stability,' which has been prepared by the Engineering Section Staff under the direction of Dr. Michael Tokar. This report was prepared over the past three ironths in response to a number of questions raised about the current review criteria for ineeting LLW stability requirerients. The report identifies current review criteria and procedures, and discusses problems encountered in these reviews.
The report provides a number of conclusions and recomendations.
Two alternatives are provided for updating the existing review criteria.
These are (1) form a task group to study the need for more appropriate tests and criteria, and (2) retain current tests and criteria with minor modifications as appropriate. The task group approach would require 15 months to complete the study, fo11cwed by peer review and development of a new technical position. This could result in a new round of reviews for existing and any new topical reports early in 1991.
If implemented at reactor sites, a period of up to two years inay be necessary for new systems.
In the meantime the current technical pcsition would be followed.
The second approach, retain current criteria and make modifications as appropriate, would require a limited amount of staff resources to provide some modifications to the current tests and criteria. These modifications would be based on staff experience to date, and coments received from ACNW and outside review groups. The current battery of tests are working as a collective group to eliminate poor waste forms and this approach is consistent with the resources budgeted for this activity.
Based on resource limitations over the next several years, we recomend that the second r,pproach be taken. Also, in our judgement, the long term task study would rot be timely. Many of the new disposal facilities (after 1993) will g/h [
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2 rely engineered structures to provide stability.
In the sieentime we can rely on updating the existing technical position as we make the transition from the current disposal practices to the new disposal site designs under the LLRWPAA.
We would be pleased to schedule a briefing on this report for you at your convenience.
ORIGINAL SIGNED BY Richard L. Bangart, Acting Director Division of low-Level Waste Management l
and Decommissioning
Enclosure:
As stated i
Distribution:
1 Central File HMSS r/f Directors r/f LLTB rf Miokar JSurneier JGreeves PLohaus RLBangart MBell MRKnapp RBernero
- SEE PREVIOUS C0hCURRENCE OFC :LLTB
- LL'IV' M :LLW
- LLWM
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NAME:MTokar/ec* :JS rmeier:J :................................'es
- RBangart:
e DATE:06/21/88
- ( /;y/88 :. /7J//88 : 6 /2t/88:
OFFICIAL RECORD COPY
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2 MT/LLW STABILITY i
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,e MEMORANDUM OR:
Hugh L. Thompson, Jr., Director Office of Nuclear Material Safety x
and Safeguards FROM:
Richard L. Bangart, Acting Director-Division of Lvw-Level Waste Management and Decommissioning
SUBJECT:
T NSMITTAL 0F REPORT CONCERNING LLW STABILITY We are herewith tran itting for your review and comment a report, titled "Current Status and Proposed ction for Regulation of LLW Stability," which has been prepared by Engineerin Section staff. The report addresses current regulatory requirements and crite ia for lu-level waste stability and problems encountered in using the cN teria and in following existing
. regulatory procedures, Recommendation for improvements are provided.
In dddition, the report contains informatio\\ that can serve as a vehicle for responding to the Novekber 10, 1987 letter rcm ACRS Chairman Kerr to NRC Chairman Zech.
Richard L.
angart, Acting Director Divisionof((.ow-LevelWasteManagement and Decomm) sioning
Enclosure:
As stated Distribution:
Central File HMSS r/f Directors r/
LLTB rf MTokar JSurmeier JGreeves RBangart Flohaus MBell N.-
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NAME:MTokar/ec :JSurmeier:J6 reeves :R5cngart:
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DATE: < /2./ /88
/ /88 :
/ /88 :
/ /88:
OFFICIAL RECORD COPY
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