ML19308A531

Abnormal Occurrence 741202:on 741202,inadvertent Release of Radioactive Matl Over 1-h Period.Caused by Relief of Pressure Through Sampling Sys Relief Valve.Isolation Valve Opened & Relief Valve Reseated

ML19308A531
Person / Time
Site:	Crane
Issue date:	12/03/1974
From:	Herbein J METROPOLITAN EDISON CO.
To:
Shared Package
ML19308A530	List: ML19308A529 ML19308A531
References
NUDOCS 7910260520
Download: ML19308A531 (2)

Text

_ _ _.

O

~

O 6.

&-w A

• l 15k 0:. S.:(bl.

0 9k h

k 1

s

\\.M D 1

~ _ _

--=... -.__. _ =.

t...a n. 2. Lu.

u L

,&e__

C::L:t1 32. T s:4Cet:. Ir.::'./:vt-,0 reic=o cf.r:$fcactiva t::t:ricli. ct TG d 2-to' :: clew pit.:r:s c.-.pWn3 31 st.c qui-;o' vaiva-cct.:stics...(C.?J 01.1)' -

l

. w ;- g ;;.;;

This tel,~ta is t> c nfirn t.Wtakeca hatm:n Les C es:crd (,Wica I4.YC),

c.1 J.C. i.rrhain (.T;'I-Stati n 2;; rict.-4 r.tf at 0%3.h trs;3 C:::dar 1074 Ca C::=btr 2,1C74 at 15">l ts 1007 haars,. ca. ire'.=rtat role =a of r:dic:ctivo c:0 riol c=urred ovcr o t;a paried of c;.pyc icataly T h:ur Tha t&crt..nt r di ::tira c.tarici reic-2 cec"rred Q a to relief cf pr= tra thr=:'.i a r.r:iact plc t :n:in, syst-.7 raitf vaiva tDiln t-21:7 a p:=,stn 1::r stc la ". 0 c:--Ho in t's rc::!c r pin.c. cc-~.altra rcm. T.h t : ic P cr.stici s.'tr:n t ::Tr/ V:.i 13 11f t-7 M-.'re tM d - a st- _ n c-nlo sin - innict". n vawa.

(C-G). nas c = :sivaiy i b mc::, t..r;ia cit..atic7 t3 c.;.ir_n. s:.nio cr.,;.:n prescura cc:1 fi:.

T;a 6;;r.tn 2 of C:n cc.71a r". ::. a rarief t.Oira t as relc.: d

..a ca

.h..J r~..c.

._. i..., r.,.rc;.. _--d

.~.

ic c.

a u.3 r. h.,., p. ~. c _ a i. > r c.,

m

s e..chc rcay cinch:rc:c:by tha va7tilati::a cl..,r.::2 ti:rce. t?.2 pic:t ver.t e.

s

. to t..,c.ar.........w.

The 1 :lotica vales (C-G) t s c~ar.:d, the reitef voirs rc=sted,. c:d't.5 redic::tira rotero t:= t=:dr.:t:d.

Anal! fs c1 r-.'i-tien efTle-n t-nit- ? re-order c'.trt: c~! 10.71 air cc.- 21:s indicato the rcdict:ti!c c = riel r:10: c:1 t::s pr:(.ni~r.nly 100"a, c;d t.bt tha ir. t:.P.c=c n r.nio c ;3 ralc :a r:13 t::s 3.C~ :: 1G

• r..i/c,0., uhich is t 210 :

tia t-..

.icnt c-nic-ti:n 1;=it c? 1.2 7. 1C.i CJ/ ;.

TL2 c;:.r003 rai:-,o tr:7 c=r C 21 h=7 c:ri:-1 ci tnh rolcro uns G.D x 1G4 P.V:::, with a total reit::o cf r.:' ic c:s of 7.7 c vics.

l

-7910260 i

e w.

i

[

V

\\

(.,.. ~r J.. >. ( s. m.... ? ~...

u

,. z C _..

..,. n ~v.

,..e.

s.

g,_.._.u...-.,,,.._..a.,..,,.,.,.g_........-..C,,.,g,,,._.,...3,.,._.i..,.3:

6.

. e.. 3. g.r.3 e

,~

5 s..

2

....,. r.a,..,...~ u c.

a.,.a-c,.. _,..

.r.

o 0 -.,.....,.. -. -

., t

. r_._.,...

.. -a c

Cat il. l'ct

>td10:t y i:1c'?.'.: h. Cy c 7--~rints re.71^M r7:ri;r:rts:

0.a. 727i'r r...,.a t _;....-;c c.3 b r...,. J. 2 :::::: rg.va c.a c.t at.:rc,.x r: :iin.1

_. a.

,......, ~ _...c. L...... ). a..

1.

c,._.-.t...,,.

..a m

.i I

i Thic in:f **;nt c7 I:-.m c

=T 07 W : n cf e 'de eti'.n m.t rfbh.13 c~>-

' J.r7J (fd (;2), ci TJ:C.7 C X.

This cc trat.cr.3. renz.-c..;;c c: r r:rt-7.

er.. ::c c1 C:.21.;. r.:.tn11 La cc r,2::c:t ta cur 10' Ccy Cr.r::tica C; rt 013.

L7. teciy. )m

. q, y.

9,

.sf,y & 334d3 P n bbh. Y. 24 Ld k'-

S2ctica S:;27intc.t. cat D

D S

b I

e 1

4'

.