05000271/LER-1980-019-01, /01T-0:on 800516,AEOG Rad Monitors 17-150 a & B Made Inoperative Under Controlled Conditions While Evaluating Augmented Offgas Sys (Aog) Recombiner Temps. Caused by Dihydrogen Recombination Before Aog Recombiner

/01T-0:on 800516,AEOG Rad Monitors17-150 a & B Made Inoperative Under Controlled Conditions While Evaluating Augmented Offgas Sys (Aog) Recombiner Temps. Caused by Dihydrogen Recombination Before Aog Recombiner

ML19312E138
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	05/30/1980
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19312E134	List: 05000271/LER-1980-019, Forwards LER 80-019/01T-0 05000271/LER-1980-019-01, /01T-0:on 800516,AEOG Rad Monitors 17-150 a & B Made Inoperative Under Controlled Conditions While Evaluating Augmented Offgas Sys (Aog) Recombiner Temps. Caused by Dihydrogen Recombination Before Aog Recombiner
References
LER-80-019-01T, LER-80-19-1T, NUDOCS 8006030333
Download: ML19312E138 (1)

LER-1980-019, /01T-0:on 800516,AEOG Rad Monitors 17-150 a & B Made Inoperative Under Controlled Conditions While Evaluating Augmented Offgas Sys (Aog) Recombiner Temps. Caused by Dihydrogen Recombination Before Aog Recombiner

Event date:
Report date:
2711980019R01 - NRC Website

text

NRC FORM 366 u. d Nut;Lk AH H ebuLa t uM y UuMMisseum_ _ _,

(7-77)

LICENSEE EVENT REPORT LER 80-19/1T CONTROL eLOCx: l l

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

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60 61 DOCK ET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROB A8LE CONSEQUENCES h l AEOG Rad Monitors17-150 A & B were made inoperative under controlled conditions whilel o 2

,oi3; ] evaluating low A0G recombiner temps. This was contrary to Tech. Spec. Table 3.2.4 l

gol4l l requirements. Based on Off Gas System samples and Stack Monitors, there were no l

[ g ;,, l l adverse consequences to the public health or safety. No previous reportable occur-l l 0 l6 l l rences of this type have been reported to the commission.

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40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i j o l l Investigation of low recombiner temps, by plant personnel indicated that H7 recom-l [ilil lbination occurred before A0G recombiner.

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l controlled conditions helped to evaluate recombiner temps.

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