ML20003E677
| ML20003E677 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 01/14/1981 |
| From: | Advisory Committee on Reactor Safeguards |
| To: | Advisory Committee on Reactor Safeguards |
| References | |
| ACRS-1808, NUDOCS 8104080227 | |
| Download: ML20003E677 (8) | |
Text
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ISSUE DATE: 1-14-81 CIRTIFIED:
1-17-81 MINUTES OF THE ACRS JOINT MEETING 0F THE SUBCOMMITTEE ON REACTOR RADIOLOGICAL EFFECTS AND SITE EVALUATION DECEMBER 13, 1980, WASHINGTON, D.C.
The ACRS Subsconcittees on Reactor Radiological Effects and Site Evaluation held a meeting on December 13, 1980 in Room 1046, 1717 H St., N.W., Washington, D.C.
The purpose of the meeting was to di:; cuss the results of the previous two days of meetings and to discuss the draft environmental statement related to Class 9 accidents for the Virgil C. Summer plant (NUREG-0534 Supplement).
The NRC Staff had previously requested that the ACRS review and comment on the first Class 9 environmental impact statement which is being done for the Summer plant. The entire meeting was open to the public. Notice of this meeting was published in the Federal Register on Friday, November 28, 1980.
I y of this notice is included as Attachment A.
A list of attendees for l
this meeting is included as Attachment B, the schedule for the meeting is included as Attachment C, and a list of all reference material for this meeting is included as Attachment D.
A complete set of handouts has been included in the ACRS files. There were no written or oral statements from j
the public. The Designated Federal Employec for this meeting was Mr. John C. McKinley.
Subcommittee Discussion The meeting began with an open but unrecorded executive session pertaining to the previous two days cf meetings. Draft chapters of the ACRS report to Congress on the FY 1982 NRC RSR budget were discussed as well as comments on the draft NRC Long Range Plan (NUREG-9740) and the NRC letter which ed.fressed l
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I NRC Staff Presentation on Class 9 Environmental Imoact Statement Dr. R. Houston of the NRC Staff discussed the status and scope of the first Draft Environmental Impact Statement (EIS) for Class 9 accidents.
The EIS was for the Summer Nuclear Power Plant. He stated that the requirement to incluce Class 9 accident in EISs is forward looking and does not require reconsideration of operating plants.
The tables generated for Summer for releases for different categories of Class 9 accidents are based on WASH-1400, however, the num.bers in the tables are different because a smoothing technique was used in WASH-1400 for reporting the results while the NRC uid not use a smoothing technique for Su:nmer. The CRAC code was used but with site specific data for Summer. The uncertainities are probably within factor of 10 and probably not more than a factor of 100.
The conclusion was that the impacts of Class 9 accidents are poten-l tially severe but that the likelihood for occurrence of such accidents I
is small. This is based on historical experience, compliance with regu-lations, and probabilistic risk assessment. Also, the risks are comp-arable to normal operations when protective actions are taken. No unique circumstances were identified at Summer as a result of this study.
Dr. Kerr asked how much of the draft statement for Summer would be generic to other plants. Dr. Houston indicated that mu:h of the state-ment was generic and that the staff plans to proceed with generic rule-making in the future to reduce the scope of plant specific EISs. Dr.
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I Y. err also asked what parameters used in the study of Summer would affect the final results if they were significantly different at another site. Dr. Houston stated that the only major change would come from a high population density site. The other parameters could change significantly and not affect the final results of the study.
Dr. Moeller and Dr. Orth asked if there were any research needs identi-Dr. Houston in-fied during the Summer study that might be important.
dicated that be would like to have better information on land use and more information on chrenic pathways for the input into the CRAC code and better coordination of the liquid pathways with the methodology used in the CRAC code.
Subcommittee Discussion The meeting then proceeded with an open but unrecorded executive ses-sion to complete the appropriate chapters for the ACRS report to Congress on the NRC's FY 1982 research budget, and completion of the letters to the-NRC staff on the NRC's Long Range Plan (NUREG-0740) and on the NRC's response l
to NUREG-0699.
The meeting was adjourned at approximately 3:00 p.m.
l For additional details, a complete transcript of the teeting is available r
in the NRC Public Document Room,1717 H St., N.W., Washington, D.C. 20555 or from Alderson Reporters, 300 7th St., S.W., Washington, D.C. (202) 544-2345..
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la the Fadusal Regisear sa De agenda far ambyrat ansong shaQ F.sas)[u FR ess).De ao rceaunende oniemara,unsp: sees dance an also pp Oct
't h he a6 follows:Sotunfay. Deceerber J.!.'
uiginal ommet pecod e.gized retaind cortes free of cAnzee.
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ISSC 130 c.m. Imtil the conclusian of m.m Raquests for y Nov kmess.
extension-he comment period is t i
ve umbe taqmrtes Secton, N ocal por' anon Dunns the initial portion of the been remi ed. Accordingly. the
.D C sous meeteg. the Subcor?.mittee, along with is extsaded to s.rcy Board.we somment Muple aspies of
'y Board repom any of its consultants who may be Decder 1260.
may be purd. seed Present, will exchange pelir dnary mepuded M ' b '
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Tectuucal trJorma Se U.S views rega-de matters to be a'
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Department of considered
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The Subcommittee will themhear "ufaMue CPO myum.
tim arid presentasons by and hold disenasaams SwWe of T Margaret Itahar.
p(f7 with mpruewmani.e af the NRC Stad..
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.e. - opportunity to present aral sesemssts Intemted pemas ed e T
'E Advisory Committee on' Reactor and the time allotted therefor aan be Safeguards, Subcommittees on Site obta ned by a papaid telephone mA to Vassallo. Chief. ' Quali5 cations Evaluation and Reactor Aadiciog6 cal Mr. Cerry C. Young. AQtS Staf D*CI
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Effecta; MeetJng sa and 500 pa. EST.De c'o%,,
er befan December 20.
De ACRS Subwnmittees on the SiteDesignated Federal Employer l r this Deted at methsede.
tids ask day Evaluation and Reactor Radiological seetmg is Mr. John C. McAmley of November taso.
E5ects will hold a meeting at a.30 a.m.
De ACRS la required by Sectics g af r*h por de Nadmar se hember 11 teso in Room 1048 the te73 NRC Antborization Act to 1
1717 H sovet. NW., Washr aview the NRC 2 sector Safety nummenc 3.Yummen.
to 3> mea.
Racnas me toeriric vironmental Research Program and Ikadget and to chi,f,r-- Quel Impact Statement on Cass-9 Accidents spart the monits of the rectew to 3,,,j,,fw,,7 at nuclear power plants. Also, th Congress. In order to perform this 4mu Subcommittees ws!! discuss and myiew, the ACRS must be able to summanze the previous two days engage in frank discussions with toeetings on the ACRS Annual Report to members of the NRC Staf and such
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Congress regardmg the NRC Reactor discussiors would not be pa==Al* il PRESIDOfT'S WWISORY Safety Research Pro ream Budget. and held in puh!!c sessions.Ihave ponwoegEN ~,, a.
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the discussion on rechation standardsdeterndned therefors in accordenen with Sub=arer= la(d) of the Federal EDEGRS y
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for workers.
Ja acomrdance with the procedures Advisory Comunitsee Act(pub L out!imed is the Federal Register on 32-463). that. should sess suosims he-Q 4g-October 7,19e0 (45 FR 81535). omi er
. required.it is nor=maavy to h Federal Advi Committee et (Pob.
written statementa may be presented by portions of this meeting to prevent g g,,
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members of the public,reccedings will frustration of the above stated aspect of Ma of &e M s
be permitted on! during those portions the ACRS* statutory respr=athiities.De A of the meeting w en a transcript is being stithority for such cicourt is 5 USC.
Ents, time pMos;W18.
kept, and questions may be asked only 55 b(c)(9)(B).
Open
' u esaska tocktm by members of the Subcommittee,its corfuttants, and StaH. Panons dedring Deted: November 24.tsmo.
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.Depmment of 30s to make oral statements should notify W C'O Consti tian Avenus. NW.W the Des:gnated Federal Employee as far MWCasuMc-- _ngcen
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!ikETING DATE: SATURDAY, DECEMBER 13, 1980 REACTOR RADIOLOGICAL EFFECTS & SITE EVALUATION l$UBCOMMITTEE MEETING:
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TENTATIVE SCHEtnJLE ACRS JOINT SUBCOMMITTEE MEETING ON REACTOR RADIOLOGICAL EFFE AND SITE EVALUATICN DECEMBER 13, 1980 WASHINGTON, D.C.
Saturday, Decerter 13 Opening Statement by Subcommittee Chainnan -
8:30 a.m.
Subcomittee Discussion on Previous Meetings 8:45 a.m.
(Deceter 11812)
BREA K ** * ** * ** **** *
- 10:00 a.m.
NRC Sta'f Presentation on Class 9 Environmental Impact 10:15 a.m.
Statement - W. Houston Subccamittee Discussion 12:15 p.m.
LUNCH **************
12:30 p.m.
Subcomittee Discussion 1:30 p.m.
3:00 p.m.
ADJOURN F;7TA CHn1ER T C t
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