ML19326D927
| ML19326D927 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/29/1980 |
| From: | Jay Collins, Conte R, Fasano A Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| PNO-TMI-80-037, PNO-TMI-80-37, NUDOCS 8007250201 | |
| Download: ML19326D927 (1) | |
Text
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PP.!i W.1::t.FY ::UIli 1 CAT 10N OT F Vr Ni OR U::f.'ifo O( f tlR R Q.'f. ~ -- PHO 7.1 3 7 Th i, pr oli::ic.ary not i fit.at icra t.un:.ti t ou s f Mi.Y r.c-i ce nf e v e.u.
of P0c.~ l M F. u f e ty - '
puosic interest s w,ai f unnt.c.
lhe i ni v n.a t i on urese;ite_d
- r. as init.ialiv cceived wit ve rif t r.a t ion er eva lua t ion and 1 :. Ba e. i r a l i "1 all t.rac t..i. s. k nown bv WC s t 3 t >. nn this c3-Facility: :%Lrcoolitan F.dison Company three Mile I.,1&nd. Unit 2 Midd le'. awn, Fe 1risylvania 1
nacket numoer co.no THIS DOCUMENT CONTAINS Object:
nAcica trJIl.0ING PURGF. STATUS POOR QUAUTY PAGEs 1
/.c ;p::ruxinately 3:00 4.ci. on June dJ.19UO. pur ging of the TMI e>actir.a iding nr:cGrhere correnced sith an initial Ilea rde of ag?rctir.stely 100 crea
.05 Ci/;ec) m D:o edi ficd I!ydro, ten Contro l ".jt tm (I'.MC ).
AppruximJLHij 4 r W.ates into.hc pureitr. the sys te:r. was shut.!can.1ue to part icu late radiat ten.voo ' tcr n igh a' ar:rs en
' he '"-it sys te a,WF-R-22'j '. And tiic pl 3nt '.*cnti lation s taci (HP-R 7 !9 ).
Tussaquer.C li.enske analys;is at the acnitur sar.;.tle systcm filters r0vcalen oc ; articulata cctivi j.
1: < U. then c.cnciuded that the particulate < cLetters were re:ponding to the node ps P.e $5) cancentratinn in the syr.te:a. i.PA und NM*J independent enllysis r_2f fir;cd this ccocl.:sien.
Ee.t. wen 5 :00 p.:a. and 10:CU p.:::. cn A ne 22, 19b0. the lice %cc resumed tnc p. irs,;e under tea. t c cn :.! i '. i on e.
L t., turLwr svaluate system Pi.:
m oti3 Led doqitcr respensc with a very e.inw approacn in ach iev ing various :G.i., syste:1 tiew rate..
Prior to this test, the 219. onitnr was nodified to eliminata ine inter-Sr-nce due to neble gas.
During the test, additinnai filter samples wre 1.ou:n with C.V.Nuent analysis cundts.ted to rulf firm inat no particalate activity ::nce.ntratiens Wcre presant. Ai! analye.es by the NRC are ir)
Agreem n..<ith the licensce's re:ulte..
a
!v, 3 r0sh'.t af this to.; tin ;, the licene.ee i s acn e. ider i r.; tr.e thods 8.0 'ncracse t..e f.re:r. t i t i t of the stack nonitor systen for pi.-ticulates witn the install L10n M adulticn21 artieniato '.icnitcring e@ ipr ent. Ree.ur ;:t icn et L.ut ir; -(turted at ;.'.00 p.a. en ane 29.19CO. to f urther evaluate systm and asscciated monitor responss.
Add s'.ierial rt: ports on reactor buildine; purging will he.pd nad on a c.
- ly bn n; daring the initial stages ut pur.;ing.
the *1RC Regior: I *aobilc la00 rat 0ry V il cont nue tc. be 1.,ed ra scrify the l i cen t.e e ' e.
r.nalyLital results.
- i0dia int 0 rest has occurrid becht.e of pubile s.::nsitivity to tnis evol'; tion 3r.d IMI rel3t0d cvents. The Co rmnualth of PHnnsylvani.t nas been 16 fort > icd.
Mt has t esp 0 nit:0 s
- v incairic,. The @ C/TM* Progra
- Office Staff is inuo i turing e.ent:, ci they Occur 01 a
2", bour basis, thir, ural rrursary notif ic& tion is issued for inftemation nniy, anc L.e inferaation is current as ut 7:00 u.m.
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