PNO-I-87-111, on 871125,fire Occurred in Contaminated Area of Facility.Caused by Spontaneous Combustion of Slightly Contaminated Zircalloy in Vacuum Cleaner.Region I Will Review Incident During Next Insp

PNO-I-87-111:on 871125,fire Occurred in Contaminated Area of Facility.Caused by Spontaneous Combustion of Slightly Contaminated Zircalloy in Vacuum Cleaner.Region I Will Review Incident During Next Insp

ML20236S690
Person / Time
Site:	07000371
Issue date:	11/25/1987
From:	Bellamy R, Roth J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:
References
PNO-I-87-111, NUDOCS 8711300038
Download: ML20236S690 (1)

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% 0 g DCS No: 70371871125 9 Date: November 25, 1987 PRELIMIN. Y_fl0TIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-I-87-111 This prs?iminary notification constitutes EARLY notice of events of POSSIBLE safety or public. interest significance. The information is as initially received without verification of evaluation, and is basically all that is known by the Region I staff on'this U te,.

Facility: Licensee Emergency Classification:

UNC-Naval Products Notification of Unusual Event i Montville, Connecticut Alert i m4 0/11 70-371 Site Area Emergency

General Emergency o' A , X Not Applicable

' Sbbject: FIRE IN A CONTAMINATED AREA 0F THE FACILITY

• i At about 8:30 a.m. on November 25, 1987, a fire occurred as a result of spontaneous combdttfon of slightly contaminated zircalloy in a vacuum cleaner. The zircalloy was contaminated with uraniun-235. The operator, using the vacuum cleaner to clean c>mponents, immediately placed the cleaner into a fume hood. Smoke from the fire made I

% /rps co way outlicensee

f. The of the building Health into a secondary Physics alarm security group conducted stationevaluation a preliminary located onof the the

'* rocci and exhaust stack air samples. Airborne contamination in the room was determined te be about 0.4% of the 10 CFR Part 20, Appendix B, Table 1 limit for uranium-235.

P.4ck' releases were determined to be about 0.1% of the 10 CFR Part 20, Appendix B, Table 2 limit for uranium-235. The release lasted for approximately 15-20 minutes.

Local ambulance servic'es responded to the facility for use, if needed, i

Region I will continue to followup on this incident and will review this incident I

'f during the next rounine inspection, The State of Connecticut has been notified.

The NRC received initial notification of this incident by telephone from the licensee at 9:25 a.m. on November 25, 1987.

CONTACT: J. Roth R. Bellamy 488-1205 488-1200 DISTRIBUTION:

H. St. MNBB Phillips E/W W111ste Mail: ADM:DMB Chairman Zech EDO NRR NMSS DOT:Trans only .

Comm. Roberts PA OIA RES Comm. Bernthal OGC AEOD NRC Ops Crt Comm. Carr -

Comm. Rogers ACRS Air Rights INPO---- l t;SFCY SP NSAC---- .

' ' CA -

I PDR Regional Of fices TMI Resident Section RI Resident Office h13g38871125 Licensee:

PNO-I-87-111 PDR eactor U,censees)

Region I Form 83 4 (Rev. /ugust 1987)

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