ML19199A588
| ML19199A588 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/29/1979 |
| From: | Chapell D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-79-067AJ, PNO-79-67AJ, NUDOCS 7905040262 | |
| Download: ML19199A588 (2) | |
Text
-%:
f.
[
IMMEDIATE k
b FREI.IMINAFY NOTTt-] CAT 1ON April 29, 1919 Pul.lMINARY NOTIFICATION OF ENENT OR UNUSUAL. OCCURRENCE -- PNO-79-67AJ This prelimina ry notifiestion cons ti tuler. nummary information of an event ut satety or public interest
- m. i gn i f i can e r.
The information oresented is
' s.umma r ' of information as ui 7:00 a.m..nn April 29, 2 79'.
a
,19 r,i l ity:
Three Mile isIand UniL ?.
Middletown, l'ennsy l va nia (DN 50-320)
Subject:
NUCI. EAR INC10ENT AT T1 TREE MII.E ISI.ASD Piant Status The average cool.sut t empe ra tu re in 175 degrees F.
Steam i :. being admitted to the main cundeur, er through the turbine bypas:. valves from the A Steam Generatur.
The hi ghes t incore temperature reading in 320 degrcc3 F.
Natur.1 circulation is continuing ou the A Ste.im Gene ra t.n r.
Envirocmenlai SLa Lum Two Aerial Mear;uring System (AMS) Surveys were made un Aprii 28, 1979.
No radioaCEivjLy above natural background Wat, de te s: Led.
Icdine concentraLinn nr. Unit 2 ventAlation stack (Ana l yzevi by NRC Mobile Iaborato ry).
Date/Ti=e Activity (uCi/cc) 4/27 (001I) - I./28 (0038) 1.11x10j 4/23 (0042) - 4/28 (0630) 3.35 x 10,9 4/23 (CH32) - a/28 (1625) 9.51 x 10 Ol' f = i Le Meannrements Radialisa I,cVels Offsite radiation levels identi fied by NRC survey teams tuntinue Lu he cons 13 tent bith u,.itural backgrnnna 1cvels (0.02 mH/hr maximum).
These results were obtained from rnurine daily surveyt; performe-d downwind on the cast and west sides of the Susquehanna River at. diuLancem up Ln five miles north and souLh of t.hc site.
(47 locations) as measured by NRC t.hcrmoluminescent dosimeters Do :e ra t.c n (TT.Th) for the past 24 huur period continue to be consistent with natural hackground levels.
CONTINUED 1.etEDIATE PpF.LrMTNAR7 NOTITICATION 1 r, G i/
i 7905ogoeo9
Continued April 29, 1979 PNO-79-67AJ U. ige 2 within 3 miles of site NitC Knvi rony.cntal Samplos (Samples taken ul tu i te analy7eri in.rnnhile laboratogy2 Number ot' Sample Type Date of Sample Sampler.
Result,s air 4/28 9
Less than MDA*
dailf air 4/28-29 1
Less than MDA EPA Environ =ent al Sanylee (Analvved at Remor.c Laborator-d No Sample Re=uilt. Repo r tc<l.
- MDA - minimen detectab i e ar ti vi r.y.
The Cor.mionwealth of Penn sylvania has been informed ci these renults.
Coatact: CLhapeII IE x2?.080; DThcmpson, IE x 28487 Dist ribution:
Transmitted H SL //*% 26, Chairman Hendrie Comminninner Bradford S. J. Ch1]k, SECY Cecmissioner Keaue<1y Comminninner Ahearne C. C. Kame r e r, CA (For Distributica)
Cocaisaloner Gilinskv Transmitted: MNHM ///4/,
P. Bldg //lO34 J. G.
Davis, IE 4
L. V. Gossick, EDO '
H. R. Denton, NRR Hegion I g *l74,
If. L. O rn s tei n, tr:0 R. C. DeYoung, Ntut itegi on Ii J. J.
Fo u t:h.t r:1, PA R. J. Mattsoa, NRM Hegion iII N. M. Malter, MP)
V. Stello, NRR Negion IV _.
R. G. Ryan, OSP R. S. Boyd, NRR Megica V H. K. Shap.sr, El D SS Bldg //l M (MAI L)
W. J. Dircks, NMSS J.J. Cu:reni n g ;, O l A S. Levine, RES M. Minoxue, SD lE (TMI) Site (Provide cupy to STATE)
C. Abraham, PA (Middletuwn - TMt-Informt. ion Center)
'whi t.e linuse Situation Room FDAA (Provide copies to the Adminintrator and t.hc Operations Center)
KPA,
DOE /F,0C PEMA 3RP (StatU1 l'A)
DCPA HEW H a nd e:s c rv (FAA)
IMMF.DIAIE ~
PRELIMINARY NOTIFICATION J,
.