05000267/LER-1980-073-03, /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

/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: 05000267/LER-1980-073, Forwards LER 80-073/03L-0 05000267/LER-1980-073-03, /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
References
LER-80-073-03L, LER-80-73-3L, NUDOCS 8012300567
Download: ML19340D431 (1)

LER-1980-073, /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

Event date:
Report date:
2671980073R03 - NRC Website

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

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LICENSEE EVENT REPORT l

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 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.

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3 10 11 12 13 18 19 20 SEQUENTIAL OCCUARENCE REPORT R EVISION LE A 80 EV ENT VEA R REPORT No.

CODE TYPE N O.

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3J Ja JS 36 J1 40 46 42 43 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

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