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INTERNAL LETTER
DATE October 26, 1967<A Division of ! urt&Y rnec'ielaya '4L'iatiwt, iac.
TO
D/737 S 066A ORISSFROAd .m No Ts haeeheADDRESS D/779.21 C 00R9-
PHONE 2726u
sum a . M ihraticn of New Cz-137 Source for the Instrumen tCalibration Faaoilit r B dg~ 029, Santa Susana
On October 17„ 1967, the L ndsve k R-maters Model L-64 was used tQi rato the new G O-137 Source i n B1dga5 029, Sant a snsaxna., WCa c
several a ua~e n s were taken, it became apparent that somothiawas wx ag with the ins° ruaenta<, On October 20, !967, the iat r ;caskUwAV en Mo&i 70, wac used to verify that We Laido °er justramenrtWES, :Ln dy, bad. The L ' nda °irC'l. k. M'Z,-i •,m to will be returned to the m inn-,
ffur repair, It i anticipated that , repair should be a°auemcm.
0; Gwh r 19, 1967, the 11iw taarIee",ier . "a Pra -Cex, irno.s h r yla a a ari .ga : .w ay°L T'F ;l^ia,f:19 0N 22, 226, reiaa oe and aped to calibrate p "r LaC UiLli T '~ :i,'"~~lABF n . % J"'~~~~~^ .4sa e~;'7 Y~ ;.ito showed the duue into W /hr) to be n .,[
E1,t ~6~a~ ;) to n lid 3.05 at 113 am from the source . h h i. ^
be A W au r his Qnhtwr with the lead Welding in plate . It ieas,u;t°Ihi` teat. that t& calibration etll pie; ocorpl ets by ' orambe 10
, TochaaucheLead EngineerEnd, . .bion, Safety r' onttio .s,Radiation Safety Unit
v °It lARTI
do ; t1 eo andd k-Q L a WineT. Reed.
~RM N I F-I 1'F V 2,
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Y ~g:I o 3- .' °i ;~ ,. .. .-
f.3 more taken, ?` S
v . as ' ' uJfi t fm t:f 0 II: u .̀ s! to ' r .. AZ that L w_anda ?: Cry: s .. ras.u r„`1.c.MU .Wr .o
"am, indeed, bad, T ? .ld .?t.'f r: w . . w r r x . 3 ;P.l. '.1+.., 4 r,': . .>L . .n,1 .1 Ma mu au ; ;'W ae:al F""7 : . . .faz repair, it .d MI .r, i?i.'3f-,`. that Tulair .a n1?:f^ux.Ll.r be r.(,', .z -AW bY November 301 2967
on 4+100 TELz 25, 1967, .,. :3. a ~~ --a, a,. ~~ ':,~ .~_, eu
:~ ..,. .._ z~; ,~.' ^,s:::: w. ?'.'Lv~ .a,u .:r ~~,a .W_ ., W;k •'{£i r »u~ t the.2~'
9300S "{,$zacd to .ra.t i . a "D~' _ z2d s » . !.) do' se u ., . . n'
at 9rur~i0 s s niD, 1 .05 at ti,.,P CM =03 the source. .f a
Uz .4'ng thl e 3-Mater .m . .'<1 . We !„al ,„ .,[,W, .,L .d . .n in n °oL°,a'o. . 0
aiW.it ~'~,~r,~'J. ti: .?.S,iS r 3+a` : "r~.~ t~, 1 . .a,✓' :..~ , :~~~A . A, .e
INT : 11-1
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-n r =sue ; r r_ ..~ .-,°• .. ..r=.
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' / ,7`7 9"' 1 C OOZE
SOW? Gallbratign 01 mew ca-137 mouzC0 Wr theCalibration ' a"' :Y 3 :G ty , 31d , ;, 029, Santa Su=??
R-.L L.F. O .:~:1'~. Model 70, WM S used to verify h;;.'r. the L & .ndm -, _,n «o,....,> a:M::L' .G33~twas, Indeed, bad The L r,',, n :s e'v enk .:_' ne s'Q :°e' will be rQt ':3anmad to t aA^:,° mi u-
:7cip air, i is ant ., .iI at („''r'.a that m`7_s .i i. ht;bvi.a'.k .; i,aa QOM~:,V d"Al' i4~ 7 u , 70.°, -,. R 3 2 ,~ 96aF „
on October 25, 1967, the y :.€o'L;-4°.'-'ee 'yin ar U00 00ched against : h1.''
dtiT s ,; !"1U1 226 ae o 'C .! 6t and used calibrate P6 EP ,.,, , r w CS-237 ° our o
In u` en a.v "', ° ud~c L ::'fe;y f3 sh :ie bo We vats WW W) 7s', t a to
~
.._o0 '
at C Um d DO at 13 um loam he sou mxc . Further ca. . . by t'i3 willbe Q e o , this Meter with the load zhieldi. g in place, it °~
aanticipated that the calibration ll I be . oa ` ete b; Tbvember 10, s 1967 .
F.
TJT. haQfeuh "l„"
lead Eaziayw
Radiation Safety it
'.k . ^ motor. Modal L-64 0a s :,caa )
.n 3111, W y o y , 9 i} . >uza: :q. .t , .s uei'"& <,r+i°a ypa n that w
Mkais,r~ Tsang w yh the ins' of merit . d „'~ t C;lbe 20o 067, tic
On Oc 'i .m ,Pa`s' 17, 1957 'uo La'4 i> z°u o 00 a0 CS-107 , 6:D3:,yc
era #. ~t lu 7?~ ~ ti ~e';;^ +. ezo take
ANT : ,;3e
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