05000255/LER-1978-039-03, /03L-0:on 781110:during Normal Operation,Steam Generator Ph & Conductivity Exceeded Tech Spec steady-state Limits.Caused by Inadvertent Addition of Morpholine to Condensate Sys Thru Leaking Drain Valve

/03L-0:on 781110:during Normal Operation,Steam Generator Ph & Conductivity Exceeded Tech Spec steady-state Limits.Caused by Inadvertent Addition of Morpholine to Condensate Sys Thru Leaking Drain Valve

ML18043A321
Person / Time
Site:	Palisades
Issue date:	12/07/1978
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18043A320	List: 05000255/LER-1978-039, Forwards LER 78-039/03L-0 05000255/LER-1978-039-03, /03L-0:on 781110:during Normal Operation,Steam Generator Ph & Conductivity Exceeded Tech Spec steady-state Limits.Caused by Inadvertent Addition of Morpholine to Condensate Sys Thru Leaking Drain Valve
References
LER-78-039-03L-01, LER-78-39-3L-1, NUDOCS 7812120097
Download: ML18043A321 (1)

LER-1978-039, /03L-0:on 781110:during Normal Operation,Steam Generator Ph & Conductivity Exceeded Tech Spec steady-state Limits.Caused by Inadvertent Addition of Morpholine to Condensate Sys Thru Leaking Drain Valve

Event date:
Report date:
2551978039R03 - NRC Website

text

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Pali.sades NRC FORM 366 17-77)

U.S. NUCl.EAR REGUl.ATORY COMMISSION LICENSEE EVENT REPORT CONTROi. Bl.OCK:._I _.__.....___._...__......._.__,I G) 1 6

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[ITI] puring normal plant _(Jperation, ste.a.m generat~~.pH increased to 9,6h and

[]JI] ponductivity increased to 9.46 micro~mho ber cmo These values exceed the

!Im ftead.y-state li.mi;.ts of' T.S. 3.18, table 3.18.1.

Ph was out of' spec for

.I)))) fPProx 11 hours1.273148e-4 days <br />0.00306 hours <br />1.818783e-5 weeks <br />4.1855e-6 months <br /> and conductivity for approx 35 hours4.050926e-4 days <br />0.00972 hours <br />5.787037e-5 weeks <br />1.33175e-5 months <br />.

Condition corrected

[)))) by stopping chemical feed and increasing SG blowdown rate.

Chemical l))IJ fla..lysis showed free caustic concentrations to be acceptable; theref'ore, thj potential for intergranula.r stress corrosion cracking was not increased.

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SYSTEM CODE I H!B I@

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LEA/RO CV ENT YEAR v..:,) REPORT I 7 I 8 I NUMBER 21 22.

CAUSE

CAUSE COMP.

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CODE TYPE VALVE suaCDDe L.!J@

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CAUSE DESCRIPTION ANO COAREC"rlVE ACTIONS @

4'I 47 1Inadvertent addition of morpholine to the condensate system caused the

• 1increase in pH and conductivity.

The morpholine, which was being IIIIJ.

OJ)) 1temporarily stored in the n_ormally not-used phosphate storage tank, passed I out of the tank through *a lea.~ing drain valve.

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The morpholine was removed l IJ:.1I] I from the tank to prevent further chemical addi tiono 8

9 FACIL.ITV 13()1 ST.<TUS

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12 13 so PERSONNEL. INJURIES

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NUMBER DESCRIPTlONO

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a 9 11 12 LOSS OF OR DAMAGE TO FACILITY ~

TYPE DESCRJPTION.

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