ML19345G805

LER 81-022/01T-0:on 810331,drywell Chilled Water Sys Found Draining Via Normal Waste & Storm Drains to Discharge Canal. Caused by Operator Error.Release Terminated.Addl Corrective Actions Forthcoming

ML19345G805
Person / Time
Site:	Peach Bottom
Issue date:	04/14/1981
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19345G803	List: ML19345G802 ML19345G805
References
LER-81-022-01T, LER-81-22-1T, NUDOCS 8104220406
Download: ML19345G805 (1)

Text

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qi; 2 6.icNSEE EVENT REPORT deport No. 2-81-24 Q-contact d'oca 1 i

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EVENT DESCRIPTICN AND PACSASLE CONSEQUENCES h Ioi2i i Du-W a " feed and bleed" of the drywell chilled water system to remove i

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o,al I radioactive contaminstion, it was discovered that the system was being i i i

a I .a i I drained via a nornal waste drain and storm drain to the discharge I

.. e .1 I canal. About 625 gallens containing 2COjaCi were drained over a period I i a !G 1 I sf 17 hours1.967593e-4 days <br />0.00472 hours <br />2.810847e-5 weeks <br />6.4685e-6 months <br />. Major Isotopos were It-2h and Cr-51. Due to cir culating l

o a 71 I water flow, the dilution factor was in excess of one million. [

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CAUSE DESCRIPTION AND COARECTIVE ACTIONS h TRl 'm,. ccu--ence was caused by overator error. The release was  !

i iiilI teri- rtted when discovered. Additional corrective action to be taken __I

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