ML17272A273

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Ack Receipt & Expresses Appreciation for 781218 & s Re ATWS Mods & Occupational Exposure
ML17272A273
Person / Time
Site: Columbia, Washington Public Power Supply System, Satsop  Energy Northwest icon.png
Issue date: 01/18/1979
From: Mattson R
Office of Nuclear Reactor Regulation
To: Cockrell R
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
References
FOIA-80-587 NUDOCS 7901310169
Download: ML17272A273 (2)


Text

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Thadani chron R. Frazier (DSS-131 8 DSS-132)

Mr. R.

G. Cockrell, Manager Engineering Division Washfngton Public Power Supply System P. 0.

Box 968 Richland, Washington 99352

Dear Mr. Cockrell:

Me appreciate the careful consideration you have given to our recent ASS deliberations and the effort you have expended in developirg estimates of the impact of ATMS modifications.

Your estimates of direct and indirect costs for a variety of alternative ATHS solutions on the MPPSS Units 1 through 5 were reflected in your letters of December 18, 1978 and January 2, 1979.

Of par ticular interest was the information you provided on occupational exposure in the January 2

letter.

Me will give careful consideration to the information and have taken the liberty of supplying ft to the ACRS for use fn ongoing deliberations.

Sincerely, cc:

ACRS (21)

NRC PDR Original signed by Roger J. Mattson Roger J. Maison, Director Division of Systems Safety Office of Nuclear Reactor Regulation bcc:

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