ML19317F902

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Unusual Event UE-75-05:on 750526,daily Dissolved Solids Release Calculations Indicated Discharge in Excess of Tech Spec Requirement.Caused by Inadequate Procedures.Waste Water Releases Procedure Changed
ML19317F902
Person / Time
Site: Rancho Seco
Issue date: 07/14/1975
From: Colombo R, Eisenhuth F
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F816 List:
References
NUDOCS 8002210627
Download: ML19317F902 (1)


Text

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N LICENSEE EVENT REPnT CONTROL 8 LOCK:l l

l l l l

l (pLEAsE PRINT ALL REQUIRED INFORMAT10N) 1 6

[ME UCENSE NUMBER Y

lClAlRlSlSl1l l0l0l-l0l0l0l0l 0l-l0l0l l4 l 1l 1l 1l 1l l0l3l 7 89 14 15 25 26 30 31 32 TN soE CATEcoRY coCx(T NUMBER EVENT DATE AEPoAT DATE O CONT I M I I l d lL l l0 l 5 l 0 l-l 0 l 3l 1l 2l l0 l 5 l 2 l 6 l 7l 5l l 0l 7 l1 l 4 l 7 l 5l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT OESCR:PTION BE I Calculation of the daily dissolved solids released for this date indicated 36,400 l

7 80 80 El pounds discharged, exceeding Technical Specification limit of 34,000 pounds, a l

7 89 80 EE l procedure change for waste water releases was made to correct this problem.

l 7 89 60

@l (UE 75-5) l 7 89 80

$I I

7 89 pque 80 Co$E E

CCMPONENT CODE R

WRATON 8 Iw ic I Lo_l IzizlzizizIzl Izl l zl 9I9 19 I IV I 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION l High cooling tower blewdown conductivity level and large retention basin release l

7 89 80

$l and no method of determining dissolved solids release.

Procedure change reauires l

/[ x89 80

]l estimation of expected daily discharge before retention basin release.

l

's'T[TS

% POWER QTHER STATUS O SCOVERY DSCoVERY DESCRPTON W

l 0l 9l 2 l l NA l d l

NA l

1 7 8 9

10 12 13 44 45 46 80 LEASFD OF E ASE AMOUNT OF ACTIVITY LOCATON OF AELEASE LzJ Lzl l'

u^

l I

NA I

i 7 8 9

10 11 44 45 80 PERSONNEL EXPOSURES NUMDf R TYPE DESCRIPTON HR l0 l0 l 0 l

[z]

l NA l

7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCR;PTON 8 l0lo101 I

NA l

7 89 11 12 80 OFF5sfTE CONSEOUENCES Ql Minimal to none l

7 89 80 LOSS OR OAMAGE 10 FAC:UTY TYPE DESCRIPTON yl NA l

1 7 89 10 30 PU8UCITY gg l Informed Sacramento Bee July 10, 1975.

l 7 89 80 j AOOITIONAL FACTORS

'~!l l

7 89 80 gl 8 0 02 210 SN I

7 89 80 NAME: Ronald Colombo / Frederick Eisenhuth 916-452-3211 PHCNE:

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