ML19290A140

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Forwards Memo Re TMI-2 Containment Pressure
ML19290A140
Person / Time
Site: Crane Constellation icon.png
Issue date: 09/24/1979
From: Mattson R
NRC - TMI-2 LESSONS LEARNED TASK FORCE
To: Gorinson S
PRESIDENT'S COMMISSION ON THE ACCIDENT AT THREE MILE
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ML19290A141 List:
References
NUDOCS 7910170378
Download: ML19290A140 (1)


Text

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atoogg UNITED STATES

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NUCLEAR REGULATOF,Y COMMISSION a

WASHINGTON, D. C. 2055 o

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September 24, 1979 Mr. Stanley Gorinson, Chief Counsel President's Commission on the Accident at Three Mile ISD.nd 2100 M Street N.W.

Liashington, D.C.

20037

Dear Mr. Gorinson:

In the course of my testimony before the President's Comission on August 22, 1979, Comissioner Pigford asked a question about the TMI-2 containment pressure response (see page 289). The question c C arned why the pressure response at TMI-2 was much different than that calculated by the applicant for a conr+ruction permit for the Pebble Springs reactor in response to the ACh5 question number 26.

I asked my staff to prepare the enclosed memorandum which responds to Professor Pigford's question more fully than I was able at that time.

If we can be of further assistance in this matter, please advise.

Sincerely, Roger J.

attson, Director Lessons Learr.ed Task Force

Enclosure:

Memo WCMilstead to RJMattson dtd 9/12/79 cc: Thomas Pigford NRC Public Document Room /

Mitchell Rogovin, Special Inquiry m

7910170375 2225 033