ML19289A881
| ML19289A881 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 03/27/1980 |
| From: | Brunner E, Mccabe E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| References | |
| PNO-I-80-048, PNO-I-80-48, NUDOCS 8005010107 | |
| Download: ML19289A881 (1) | |
Text
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8006010j07 PRELIMINARY NOTIFICATION Da te: Parch 27, 19S0 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -PNO-I 48 This preliminary notification constitutes EADIY notice of events of POS$1BLE Tifety or gbHc inte7est sianificance7The ifor nation pres ~ented is as initially receiUlfiithout veriTfcatioii or evaluation and~iT basica~1Ty~all that is known by I E s ta f f _on_ t hi_s_ da te.
Facility:
Baltimore Gas and Electric Company Calvert Cliffs Units 1 and 2 (DNs 50-317/318)
Su bj ec_t, UNPL ANNED, MINOR GASEOUS RADI ATION RELEASE With prc-test venting of the L' nit 2 Volure Control Tank (VCT) in progress, Waste Gas Processing Arca alarms were received for Units 1 and 2 at 10:50 a.m., 3/27/B0.
A local erergency was declaroo.
A precautionary evocuation of the Auxiliary Cuilding was ordered.
VCT venting was secured, and the release was stopped about 10:55 a.m.
The instantaneous release rate was 4.1% of the Technical Specification limit.
The offsite dose consequences reported were 7.34E-4 mr at a point south of the site (equivaknt to about 10 minutes of natural backrmnd radiation in the State of Maryland).
The local energency was secured af te the alarms were cleared.
This PN is issued for information only.
l'edia interest is possible because of sensitivity to c..diation releases.
The licensee has not decided whether to issue a press release.
No NRC press release is planned.
The State of Maryland has been informed.
The NRC Duty Df ficer was notified by OPX phone at 11:3B a.m.
and relayed preliminary information to NRC Region 1 at 11:45 a.m,
Contact:
E. C. McCabe 488-1251 E. J. Drunner 488-1240 DISTRIBUTION:
(Facsmile Transmission Times Noted)
H ST BLDG MARYLAND RATIONAL IE:X005 Chairman Anearne BANK BUILDING NRC/TMITechniciT Cornissioner Kennedy W. J. Dircks IlD0 Support Office Comissioner Gilinsky C. Michelson, AEOD Comissioner Bradford J. J. Fouchard, PA Region 11 Commissioner Hendrie N, M. Haller, MPA Region 111 ACRS R. G. Ryan, OSP Region IV S. J. Chilk SECY H. K. Shepar, ELD Region V C. C. Kamerer, CA (For Distribution)
WILLSTE BLDG RI Resident Sites J. G. Davis, T8$$
/
PHILLIPS BLDG R. Budnitz, RES
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H. R. Denton, IfRR D. R. Muller NRR LANDOW BLDG (Fax __by HQ)
,(MAILJ R. J. Ma ttson, NRR (6 MIN /PAGE)
R~ffinogue SD D. Vassallo, NRR J. J. Cumings, 01 A IE:XOOS D. Eisenhut, NRR rntC h nM nvi n Av.I M Region I Fonn 83 (Rev. March,1980)
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