ML19317F970

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AO-75-09:on 750415,plant Was Operated W/O Sufficient Boric Acid in Cbast.Cause Not Stated.Corrective Action Presented Operational Problems.New Limit Curve Defining Allowable Boron Concentration Vs Tank Vol Implemented
ML19317F970
Person / Time
Site: Rancho Seco
Issue date: 08/29/1977
From: Colombo R, Eisenhuth F
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F832 List:
References
NUDOCS 8002210674
Download: ML19317F970 (1)


Text

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UCENSEE EVENT REPC T

FOI.I.0WUP RF. PORT A0-75-9

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(PLEAss PRINT ALL REGUIRED INFORMATION)

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"'rYd' YYE aCENsE NuMsER 01 lClAlRlSlSl1l l 0l 0l-l 0 l 0 l 0 l 0l 0l-l0 l0 l l 4 l 1 l1 l 1 l 1 f-l0 l1 l 7 89 14 15 25 26 30 31 32 CATEGORY TYPE AC CoCKET NUM8ER EVENT DATE AEPORT OATE O CCNT l Ml Il lLl l 0l 5l 0l-l 0 l 3 l 1 l 2 l l 0l 4l 1l 5 l 7 l 5 l 10 l8 l2 l9 l7 l7 l 7 8 57 58 59 60 61 68 63 74 75 80 EVENT DESCRIPTION HE l The plant was operated without sufficient boric.:.cid in the CBAST, as reported in l

7 89 80 3E l Abnormal Occurrence report A0-75-9.

The corrective action instituted at that time l

7 89 80 EE lorenented coerational oroblems. A new limit curve definin:t allowable boron l

7 89 80 lrnerone,ne4nno

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80 CC OE COMPONENT CCCE uaNUF v10LATION M lRlBl W l A l C l C l Ul Ml U]

lN l jZl9l9l9l l Nl 7 99 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION l The limit of 20,000 gallons of 7100 ppmb imposed af ter the occurrence was difficult l

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ltomeet. New curve allows for equivalent baron content for larger volumes in CBAST.

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VE DISCOVERY DESCRIPTION y

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7 8 9

10 12 13 44-45 4

e0 ACTMTV CONTENT AELEASEo OF AELEASE AMQuNT OF ACTMTV LOCAfl0N OF AELEASE -

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7 8 9

10 11 44 45 80

  • PERSONNEL EXPOSURES NUMBEN TYPE CESCRIPTION EE I 01 01 01 Wl NA l

7 89 11 12 13 80 -

PERSONNEL INJURIES NUMBER CESCRIPTION

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7 89 11 12 80 0FFSITE CONSEQUENCES EE l Minimal to none l

7 89 80 LOSS OR DAMAGE TO FACIUTY TYPE DESCRIPT1CN

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7 89 10 80 PUBUC!TY DE l None l

7 89 80 A00!TIONAL FACTORS 8 l l

89 80 gg l 8002210 [ %

7 89 80 NAME:

R. W. Colombo /F. T. Eisenhuth (916) 452-3211 PHONE:

GPO 883.es?

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