ML19317F947

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AO-75-07:on 750319,during Processing of Boric Acid in Concentrating Evaporator Sys,Boric Acid Storage Tank Exceeded Tech Spec Limits.Caused by Personnel Error
ML19317F947
Person / Time
Site: Rancho Seco
Issue date: 04/16/1975
From: Colombo R
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F825 List:
References
NUDOCS 8002210656
Download: ML19317F947 (1)


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[PLEASE PRINT ALL REIUIRED INFORMATION)

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NAME LCENSE NUMBER YPE YPE lC lA lR l S l S l 1l l 0l 0l_l0 l 0 l 0 l 0 l 0l_l 0l0 l l4 l1 l1 l1 l1l l 0 l _1 j t

89 14 15 25 26 30 31 32 CATECORY TP SO COCKET NUMBER EVENT CATE REPoAT CATE 0 CONT l P l 0l g lLj l 0l 5l 0l __ l 0 l 3 l 1 l 2 l l 0l 3l 1l 9l7 l5 l l 0[ 4l 1l 6l 7l5 l 7 8 57 58 59 60 61 68 69 74 75 BO EVENT DESCRIPTION

/

gg lThe Technical Specifications Section 3.2.3 limits (t_he maximum boron concentration in l.

7 89 80 g lthe Concentrated Boric Acid Storage Tank to 8500 ppm.1 During processing of boric acid l i

7 89 80 Q lin the concentrating evaporator system the CBAST boron concentration was increased to l 7 89 80 gg l8610 ppm.

(AO-75-7 ).

l 7 89 80 BB I i

7 89 80 pnue C OE CCOE COMPONENT CODE SUPP'.iER VIOLATON RIFj lP l C l {

lA lC lC lUl Ml Ul lL l lC l$ l5 l0 l g

7 89 10 11 12 17 43 44 47 48

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CAUSE DESCRIPTION rf ae lThe operating personnel did not sample the concentrator bottoms per the operating l

7 89 80 gg lprocecure and calculate the resultant concentration in the CBAST.

l 7 89 80 l

i FACJLffY METHOD OF STATUS

% POWER OTHER STATUS OGCOVERY otSCOVEAY OESCAIPTON lEl l0l8l0l l NA l {

l Sample taken after boron addition l

7 8 9

10 12 13 44 45 46 80 ACTIVITY CCNTENT AELEASEo CF AELEASE l NA l

l NA

't AMOUNT OF ACTIVITY LOCATCN of RELEASE 1 12 W

W l

7 8 9

10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE CESCAIPTON lo l oi of LZJ L NA l

7 89 11 12 13 80 PERSONNEL INER:ES NUMSEA CESCAIPTON ll l 0 l 0 l 0l l

NA l

7 89 11 12 80 OFFSITE CONSEOUENCES EE lNA lb 7 89 80 -

LOSS OR OAMAGE TO FAC!LITY TVPE CESCAPTON s'

Qyl NA l-7 89 10 80 ~

PUBLICITY Q l Sacramento " Bee" notified March 20, " Union" notified March 21, 1975 lj 7 89 80,

'T ADO!TIONAL FACTORS I NA l

8 0 0 2 210 &f o

81 l_

7 89 80 -

Ronald W. Colombo (916) 452-3211

.NAME:

g GPO 888 647

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