ML19340A415

Ro:On 770719,unmonitored Radioactive Release of 0.739 Ci Noble Gas Occurred at Rate of 559.5 Uci/Second for 22 Minutes.Reactor Bldg Pugge Discontinued Upon Discovery of Inoperative Radiation Monitor RMA1.Detailed Rept to Follow

ML19340A415
Person / Time
Site:	Crystal River
Issue date:	07/20/1977
From:	Beatty G FLORIDA POWER CORP.
To:
References
NUDOCS 8003260731
Download: ML19340A415 (2)

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EA N mestem union Telegram 1 AAA151(1242)(2-031369E201)PD 07/20/77 1242 )

ICS IPMMTZZ csp DUPUCATE OF TELEPHONE TELEGRAM' l

9047956486 TDMT CRYSTAL RIVER FL 122 07-20 1242P EST )

l PMS NORMAN C MOSELEY DIRECTOR COPY MESSAGE , FONE USNRC REGION 2 0FFICE OF INSPECTION AND ENFORCEMENT 230 PEACHTREE 3

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ST NORTHWEST SUITE 818 ppfs#

' ATLANTA GA 30303 g j [yp3,7 2% M )

REFERENCE DOCKET #50-302 LICENSE DPR-72 #

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l PURSUANT TO ENVIRONMENTAL TECHNICAL SPECIFICATIONS 2.4.2.G AND K,

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j 5.6.2. A AND STANDARD TECHN' CAL SFECIFICATION 3.3.2.1 TABLE 3.5-3, )

THIS WILL CONFIRM A REPORT TO MR HUGH VANCE OF YOUR OFFICE, AT 1045 ON 20 JULY 1977 THAT AT 1233 ON 19 JULY 1977 IT WAS DISCOVERED THAT J i A 22 MINU,TE UNMONITORED RADIO ACTIVE RELEASE OF .739 CURIES NOBLE

GAS WAS RELEASED TO THE ATMOSPHERE AT THE RATE OF 559.5 MICR0 CURIES jl i

PER SECOND. REACTOR BUILING PURGE IN PROGRESS WITH RADIATION MONITOR a

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l RMAI INOPERATIJE. IMMEDIATELY UPON DISCOVERY THE PURGE WAS )j DISCONTINUED. THE HEALTH AND SAFETY OF PLANT AND PUBLIC WERE NOT i AFFECTED DUE TO ATMOSPHERIC DILUTION. A DETAILED REPORT WILL FM. LOW 3l

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WITHIN 15 DAYS 1

G P BEATTY JR NUCLEAR PLANT MANAGER ).

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