ML20206K423

Lists Conditions Under Which Util Investigating Cause of Gaseous Radioactivity Releases from Reactor Bldg Ventilation Sys Vent Exceeding Tech Spec Limits,Per 750128 Telcon

ML20206K423
Person / Time
Site:	Pilgrim, 05000000
Issue date:	01/28/1975
From:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:	Feldmann M BOSTON EDISON CO.
Shared Package
ML20204E974	List: 05000000/LER-1975-004, :on 750112 & 13,analysis of Reactor Bldg Vent Process Radiation Monitoring Sys Revealed Release of Radioactive Effluents Exceeding Tech Spec Limit by 55%. Caused by High Iodine Activity in Reactor Coolant 05000000/LER-1975-005, :on 750127,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters Revealed Release Rates of Halogens & Particulates w/half-lives Greater than 8 Days, Exceeding Tech Spec Limits by 24% 05000000/LER-1975-014, :on 750519,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters for Wk of 750513-20 Revealed Release Rates of Halogens & Particulates Exceeding Tech Spec Limits by 23% BECO-82-194, Responds to Confirmatory Action Ltr 82-19 Re Identification of Spent Resin on Roof Tops & Pavement within Protected Area on 820611.Condensate Demineralizer Sys Identified as Resin Source & Secured.Related Documentation Encl IR 05000293/1975002 ML20204E969 ML20204J237 ML20206F330 ML20206K250 ML20206K259 ML20206K286 ML20206K305 ML20206K341 ML20206K353 ML20206K363 ML20206K365 ML20206K385 ML20206K423 ML20206K439 ML20206K444 ML20206K449 ML20206K480 ML20206K485 ML20206K494 ML20206K504 ML20206K510 ML20206K520 ML20206K526 ML20206K530 ML20206K548 ML20206K555 ML20206K564 ML20206K579 ML20206K598 ML20206K616 ML20206K635 ML20206K639 ML20206K659 ML20206K688 ML20206K693 ML20206K698 ML20206K704 ML20206K709 ML20206K731 ML20206K743 ML20206K748 ML20206K754
References
FOIA-86-58 NUDOCS 8606300089
Download: ML20206K423 (2)

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1 NUCLEAR REGUL.. JRY COMMISSION C31 A AVENUI d

KING OF PRUS$1A. PENNSYLVANI A 19406 L- 0meY Y JAN 2 81975 Boston Edison Company l

Attention:

Mr. M. J. Feldmann Vice President and Director of Operations and Engineering i

800 Boylston Street

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Boston, Massachusetts 02199 Gentlemen:

This letter refers to our telephone conversation of January 28, 1975, between Mr. O'Reilly of this Office and you and Mr. Roach of your Staff, f

concerning the operation of your Pilgrim Nuclear Power Plant.

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h It is our understanding that you are continuing to investigate the cause of gaseous radioactivity releases from your reactor building ventilation I

system vent that have exceeded limits contained in your Techni:a1 Speci-i fications. We understand that the following conditions have been set on j

plant operation during your investigation:

a.

That reactor power will be limited to 30% of your authorized license limit.

b.

That you will control your releases from the reactor Luilding

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vent so as not to exceed 75% of your limiting condition for j

operation.

yd That you will inform this Office, prior to returning the plant j

c.

to normal operation, with information suf ficient to show the bases for corrective action taken to preclude recurrence.

If our understanding of your planned actions is not in accordance with this letter, please contact this Office immediately.

Sincerely, l

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j J.mes P. O'Reilly 1

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Gil h' ARK AVENUE 17416 KING Of" PitOSSI A. PENNSYLV ANI A JAN 2 81975 Boston Edison Company i

Attention:

Mr.11. J. Feldmann Vice President and Director of Operations and Engineering 800 Boylston Street Boston, Massachusetts 02199 Gentlemen:

28, 1975, This letter refers to our telephone conversation of January Roach of your Staff, between Mr. O'Reilly of this Of fice and you and Mr.

concerning the operation of your Pilgrim Nuclear Power Plant.

It is our understanding that you are continuing to investigate the cause of gaseous radicactivity releases from your reactor building ventilation that have exceeded limits contained in your Technical Speci-system vent k'c understand that the following conditions have been set on fications.

plant operation during your investigation:

That reactor power will be limited to 30% of your authorized a.

license limit.

That you will control your releases f rom the reactor building b.

to exceed 75% of your limiting condition for vent so as not operation.

That you will inform this Office, prior to returning the plant c.

to normal operation, with information suf ficient to show the bases f or corrective action taken to preclude recurrence.

in accordance with j

If our understanding of your planned actions is not I

this letter, please centact this Office ir.nediately.

Sincerely, b4 (V,v t.

J.4nes P.

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