ML20084H652
| ML20084H652 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 05/28/1974 |
| From: | Eric Thomas TENNESSEE VALLEY AUTHORITY |
| To: | NRC |
| References | |
| NUDOCS 8305040710 | |
| Download: ML20084H652 (2) | |
Text
.
.,... a...,._. m m.
..,....,...,,. u
- u..
w t i.i 3
I a. ;,
u,/
MI..M. Ld!
I<ay 28, 1974 50-259 D.) L l'
olo.
I
- b..r.t
- d,s t. >.'. r],n),t u
so..
u y
4, g
yq/
c.
.e.%
1..
.M Directcr, Divicien cf ?;.terialc Licencing
.N U. a,. menu.c Enercy ( c::::.ccion N,a
,sV c; m
.c ->
Uachington, DC 2C@5
' '..'[./ 2. i f mv
Dear Sir:
.I
.w,-m..,
u. la_..,. m. :. _ m., -
h,.,,. 3.. 0
- n7..n,.....,,L,A,, R ph,w,"I' -
1 1.cv u
o u ;.:.
s v.u. ~:.u x w.
a FisCILIT'l CPERATlMG LICZ;:3L DPR-33 This reperi, ic being filsd to inforn you of a leaking cealed source licensed in DTR-33
'.i'he ccurce involved is as follcws :
Radic:ac]ide - Strentiut-90 Heminal rrtdics.ctivity - 6 tillicuriec Source man Jact.:rer - I:en Englnnd i:uclear Corporaticn Source.:: ciel - ZR-9073 Capcule nutber - 313 45 Date of rfinufacturc
. idreb 7, 197h
,,., - c a
...m 3,.0.,
s
..,..-w r _..
m.u 22 m aun v333.u.
This scurce una recer.e; by Fro:ns Ferry Iuclcar Plnnt en I' arch 12, 197k. 'Ihe chirrin;; ccminers vers curveyed at thic tita and' fcund to be free of cirnifiennt ecnrac.inaticn. A Certificate of Sealed Scurce Test frer. Heu England 2:uelc.c Ccrperatic a necerpnied the ccurce which indi-e catel lesc th o C.C.5 niercuurie uat detected ucin~, A*:3I H5.lC-1903 tect c
precedure 3.2.1 and indicat.ulg cen1 inte~rity ucinc A1:SI I:5 10-1968 tect procedure B.2.h.
These te-ta.eere perfernca en 1. arch 7, 197h. The scurce j
inner shipping centtiner.'as nct cycr.cd at the tire of receipt, and the ccurce was stcred in the lecked chrical licoratory ctorace.ault, i
On April 18, 1970,' the scurce was rcucved frcr storace preparatory to inatallatica in a cutic.-pic chcek cource holder. The ccurce was c: ear curveyed, and reculta encred less than C.005 r.icrccurie of removable centarination, l
l On Fay 16, 397h, before enlibration of the check cource, a crear curvey of the ccurce holder ut t.cirformed. The survey indiented removable contamination clthou
- 2. lecc than 0.005 nierecurie was found. The scure.
wac then re.icved and thorcuchly elcancd vita strcntiu.n carrier cclut, ion.
The clcanin.s colutica ur z countcd and indicated 0.0234 microcurie. ii e
<~
t.
(
0305040710 74052805000259 h L'.
gDRADOCK PDR 3 &
f g
gg COPY SENf REGION
i e
e a
2 l
Director, Divlcien ei' 1/aterial: Licencing l
4 l
15y 23, 197h 4
1 1
I l
TEI!!;2SCEE VALL3Y AUTi!ORITY - EaliiG F!iRY i:UCJIEAR 1%IiT -
j FACILITY GP6'.*Cll:3 LICI;i:CE DFR-33 l
4 1
i L
I E
t t
vicual exarination cf the.;cucco by the p] ant he' tith phycica cupervicor i
could detect no in d euticn of crackin; or da:nge.
Since the poucibility l
exicted that the con:nmination was due to external ccurcec, the ccurce l
capcule uns etered in a vial to be rechecked.
4
{
A cteur curvey perferred on Iby 22,197h, indiented the presenec of f
O 285 tierccurie er removaUe contar.inntion, thereby confirming the cource of ecnta:ainatien to bc
- t. leak.
i Tha vendo.c n.c inferr.ed by telephone. The cource was dicicced of in the normal colid rndicactive va e dispeaal ayptec. The cource holder unc i
deccntar.initcu to lear -thm 100 dr;n/lCO c # removabic ccntaminatica.
4 l
Very truly you c, s
l Tl'I:1!ESSEE VALLEY AUTHORITY r
i
?
r
, ' E. 7. "'hc r a.'
,..vArecter c: wier l>rcauetien 1
CC:
Mr. I;cr: nr C. IJcseley, Dircetor Re ; ion Il Reylatcry Operaticnc Office, US/IC et e
230 reaci. tree Street, Lil., suite 818
/Ltlanta, Georcia 303C3 T
I i-f 4
)
l I
I i.
- - - - - - - - - - - - - - - - - - - - - - -