ML19308C884

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Summary of Regulatory Review Committee 780502 Meeting 72 Re 780203 Draft Reg Guide Atmospheric Dispersion Models for Potential Accident Consequence Assessments at Nuclear Power Plants
ML19308C884
Person / Time
Site: Crane 
Issue date: 05/12/1978
From: Case E
Office of Nuclear Reactor Regulation
To: Gossick L
NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
References
TASK-TF, TASK-TMR NUDOCS 8002070635
Download: ML19308C884 (1)


Text

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  1. m UNITED STATES

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NUCLEAR REGULATORY COMMISSION 3

, j WASHINGTON, D. C. 20655 t.

'% ".... # p May 12,1978

^m MEMORANDUM EOR: Lee V. Gossick, Executive Director for Operations E. G. Case, Chairman, Regulatory Requirements FPOli

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Review Committee SU8AJEX.T SUFtMRY OF REGULA'IORY REQUIREFECS REVIEW COff4ITI'EE l

MEETING 140. 73, MAY 2, 1978.

,a ne Comittee reviewed:

i i

1.

Draft Regulatory Guide, "JdMTPHERIC DISPERSI04 MODELS FOR POI'DCIAL ACCIDCJT CONSEQUENCE ASSESSMCCS AT NUCLEAR POWER PIACS" dated Feoruary 3, 1978, and l

ATMOGPHERIC DISPERSIQi MODEL FOR ACCIDCC EVALUATIONS dated April 18, 1978.

Se Comittee recommended that the Director, Office of Standards I

Developnent prepare on an expedited schedule an Information Paper for l

the Comission. mis Information Paper should discuss the new model, i

compare it to the current model, outline various alternatives, and indicate our intentions concerning the use of the new model.

d Pending the preparation and RRRC review of this Information Paper, the Comittee recommended that in the interim:

a.

Se staff should allow applicants to use either the current l

model or the proposed new model.

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I o.

Se proposed new model should have specific 1 nguage a6ded to j

indicate that tne selected x/0 value will be equalled or exceeded less than a total of 5 percent of the time arourx! the site boundary.

Item 2 of the agenda was deferred to a later meeting.

w Edson G. Case, Chairman Regulatory Regairements Review Comittee q

ccs:

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