ML18078A834

LER 79-008/03L-0 on 790111:during Normal Operation While Refilling Boric Acid Storage Tanks,Operator Added Improper Batch of Acid to Tanks & Pumped Concentrates Tank to Storage Tanks.Caused by Personnel Error

ML18078A834
Person / Time
Site:	Salem
Issue date:	02/07/1979
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18078A831	List: ML18078A829 ML18078A834
References
LER-79-008-03L, LER-79-8-3L, NUDOCS 7902120123
Download: ML18078A834 (1)

Text

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[))))I During normal operation while refilling the Boric Acid Storage Tanks (BAT), operator

!)))) I errors resulted in out of specification boron concentrations in the BAT's and the CQJIJ Boron Injection Tank (BIT). T/S 3.5.4.l and 3.1.2.8 Action Statements were imple- J

[§JI] mented. The BAT's were returned to service in 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br /> as required by T/S. The BIT

[§))] was returned to service within 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br /> in accordance with a NRC granted extension.

[I]}] I This is the fourth occurrence of this type (76-21, 76-30, 77-55}.

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o::I]J I The*. caused is personnel error in adding an improper batch of boric acid to the o::::oJ storage tanks and pumping the concentrates tank to the storage tanks with a o::r::Il demineralized water valve partially open. Boron addition procedure has been o:::IIJ I revised to prevent inoperability of the Boric Acid System due to improper concen-

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7 8 9 80 FACll.ITY ljQ\ METHOD OF o::m LEJ@

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REL.EASED OF REl.EASE AMOUNT OF ACTIVITY ~ l.OCATION OF REL.EASE@

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