ML19340D431

LER 80-073/03L-0:on 801121,effluent Discharge Antifoam Concentration Exceeded Tech Spec Limit for 3-h Period.Caused by High Blowdown Flow Rate.Procedure Will Be Implemented to Prevent Recurrence

ML19340D431
Person / Time
Site:	Fort Saint Vrain
Issue date:	12/19/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19340D428	List: ML19340D427 ML19340D431
References
LER-80-073-03L, LER-80-73-3L, NUDOCS 8012300567
Download: ML19340D431 (1)

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NRC FCIM 366 U. S. NUCLEAR .iEGULATORY COMMISSION l

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LICENSEE EVENT REPORT l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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7 8 61 DOCKET NUMBER 69 DATE EVENT oESCRIPTtoN AND pro 8ABLE CONSEQUENCES h Io12l l During normal operation, in order to control circulating water system foaming caused bir io i3i 1 biocide treatment, anti-foam acent was added to the circulatina water system. I 10141 I Discharae of effluent from the site via the Goosequill Ditch exceeded the LCO NR 1.1 l l o I s i I allowable concentration of anti-foam agent for about three hours. Reportable per j lo is i I AC 7.5.2(b)2. There was no eff ect on the health or safety of the public. No ac- l lo17l l companying occurrence. No similar reports. l 1oIal l__ l 80 7 8 9 DE CODE SUSC E COM.TNENT CODE SU CODE SU ODE loist 7 8 l H I F l@ [X_J@ l z l@ l Zl Zl Zl Zl Zl Zl@ 17. l@ lZ 3 10 11 12 13 18 19 20 l@

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44 47 CAUSE oESCRIPTIoN AND CORRECTIVE ACTIONS 47 Ii t o l ! The cause of this event was the fact that the blowdown flow rate, at the concentra- l Ii ii 1 I tion of anti-fcam acent recuired to suooress foamino, cave a concentration..in the I i, i2i IGooseouill Ditch above the limit allowed by LCO NR 1.1. No corrective action was I iiI3I l taken at the time of the event. A orocedure will be implemented to prevent l 1i14 l l reoccurence.  !

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