ML17296A354

PNO-79-67AL:summary of Info Re Nuclear Incident as of 790501.Describes Plant & Environ Status

ML17296A354
Person / Time
Site:	Crane, Palo Verde
Issue date:	05/01/1979
From:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-79-067AL, PNO-79-67AL, NUDOCS 7905040358
Download: ML17296A354 (6)

Text

l tNKL)LATE PRELIt'LLNARY NOTTFICATION May j.> L979 PRELIMINARY NOTIFICATION Ol: L'.VrNV OR tLNUSUAL OC<<tmltEHCE PNO-19-67Al.

'J~

summa>."0 of ic>format" on

. of 7=00 s.m.

on, slav 1

L979-R~aei.li.t. l Tbxcc Mile lai.aa(I uaic 2

Hiddletown, Penn>.y lvanis (DN.'>0-:120)

~Sab ecL:

RVCIZAR DICIBR'NT AT THRRR RZLR lRI.ARI)

Plant "Lat.'c>q

'The averallc:

c:c>c>lant temperaturn i>c L>cing maintaic>c-.d

<<L 175 degrees P by

..nc>tural circulat.ion.

Steam is t>c.i>>y, arlmitt'ed to khc. main rondcnser thR'ouglc the turbine. l>ypasr valves X's.om Lhe A Stcam Genera.kor.

L'hc highest Jncorc:

temI>eraturc.. rrsding is 326 desirc.c...". F, a

Envixoxuhc.n La 1 Status One Aerial Measuring Syc>L'c".m (AHA) Survey was macle-.

on April 30, 1979..

Nc>

radioaeLivi Ly above natuc,'a 1 l>au kpround was dc'-LuuLR'.CI.

Iodine conocnLratjon at Unit 2 vc".nt.ilgtion stactc t.or Ll>c. 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> pe"iod c.>>cling st 12:08 a.m., April 30 was 1.> x 1LL microturic'.

L>c'.r r>>bic centlmete>:

(Analseel hy NRC Mobile Lat>orat.c>ry).

Oflait.c. Llcasurements Radiccki c>n Levels Offsikc: radiation levela. iclc'ntificd by NRC..urvc..y t.cams continue to bc.

eon=istcnt with natura l harlcpround level'0.0?'R/hr mazialuia).

Chc.."c results wc..re obtained Irom rout.inc daily sut.'veyn Pc.rearmed downwind oc'c khc: c.ast and wc;st, sides of the Su.-.q>>charms River aL ctiraLaL>rcs up to fivo mile-.s north snd south of the site.

Dose 'rates (47 Locations) as mearuc..c:ct l>y NRC thermoluminc'.c;uc.nt.

closimeters (TLDs) for Lhc. past 34 houx.'eriocl c>nnt;inuc to be houri. Lr>>L wit;h natural backgrounct tc:vn1-.

<<OHT INUED IHHFDl AVl. PRELIMINARY ROTI V I (:A'l'10M

lf l ~l)~4

Continued Page 2

PNO-79-67AL Hay 1, 1979 NRC Environmental Sa les (Sam les taken offsite within 3 miles of site anal zed in mobile laborator Date of Sam le Number of

~Sam les Results air uaxxy air cow's milk discharge watei vegetation goat's milk EPA Environmental 4/30 0/z9"30 4/28 4/30 4/30 4/30 Sa les (Anal zed 4

1 1

3 Less than HDA>

Less than HDA Less than HDA Less than HDA Less than PA

4. lo v 1A ssl'.i &el at Remote Laborator' Air Iodine

'Hilk Noble gases Date Collected 4/23 4/24 4/23) 24, 25 4/26, 27, 28 Number 25 7

18 Results Two samples had detectable..

I-131 (Highest at-1.0 pico-curies per cubic meter)

(Less than HDA on all others)

I.ess than HDA for I-131 Xe-133 kevel from 10 to 958 picocuries per cubic meter.

The highest was collected on 4/26-4/28 5.3 mi 8 145 Kr-85 was within the range of normal Kr-85 background.)

.Mater

.Air Iodines 4/22"4/27 4/28 4/29 31 4

Less than HDA.

Less than HDA.

2 vere less than HDA, two showed I-131 at 0.38 and 0.48 picocuries per cubic meter.

No other agency data received.

The Commonwealth of Pennsylvania has been informed of these results.

".'MDA - minimum detectable activity.

Correction PN0-79-67AK, 4/30/79, reported 34 discharge water samples collected on 4/29/79; It should have read 4.

CONTINUED

'IMMEDIATE PRELIHINARY NOTIFICATION ~

'U

Continued Page 3

PNO-79-67AL H~y 1 g 1979 DB'OkTA.'fZ 50'l'E I'UXUKE Igd '

Thia is Lhe.

3;s::t. <lni'ly uPdate Of iniprmstivel vI<

Lhe. Thrr C AfilC ISland inCldent.

Henceforth,

'up<luL<...-. will bc issuec each llvuduy.

Hilpni fir.~nt itjformation, hOWeVer, Mill 1)e:

re port.Cd imjjgo<li~ts lv jgl

~

lgrg jimgrglgrg: MntjfiCagipn, Cooteet.'lgCPaulne, IE x272riG DThoepnoo, IK x2SAST Distrib)Ats.an:

Transmitted Chai.rggg~n Hg.II<3ri <

Com<<)iaelione:r K< nnr <3~

Cong)<ie<sionr.r Cgi ) insh7 Lol. e.

trend

. L. V. Goasicf<.,

1:.00

'-H. Le Ornat<.ing F.'l30 J. J.

i'on<':har<l g PA Ne H. He<llarg HPA

.R.

G. Ryan, OSP n'H e K

HhBpur 2 FgleO H St~5 Cog()))gs.se;ivrge.r 13r<<<l f<gr<3 j,g'gg))g)'g g gge' gers

~ ~ v hgrr re v ver.

g' Bldg ~Cgb H, R, Denton, HRH R.

C. DeYoung, NRR R ~ J.

Matt&oeg g NllR V. Stello, NRR R.

S. Boyd,

.Sj'fili SS Bldg M. J D i.g:<)J.';

g N11HH S, Levine, RES S. J. Chilh, SEC'I C e C e Z(CCLbgCA:CAT S One (Fpr Distribution) 6, Davis, IE R<'gipn I e)

SrSion II ~lgg Region III Region IV SreiOn V J.

Cummings, OIA R.

Hinng<IC T SD IE (Tglg) ST<<te ~Z (Provide copy to STATE)

C. Abraham,

'3'h ~~

Qfiddlctown - TMI-I<<Form;TLi<gn Cent<.z)

Hhite Hoon<< Sl Lection R'corn ~ll&

PSAA~Tgh (provide copil.e to the Aderinintrntnr nn<l thc Gpcretioee Ceotec)

EPA DOE/ZOC PENA

,BRP (State of'gA)

DCPA

'EM Handcarry (F'j))A)

IMMEDIA'ir, PRELIMINARY 'NOTI~ i',A3 1 nN

lt'

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