PNO-II-92-020, on 920327,hot Particle Was Detected on Forehead of Health Physics Technician When Exiting Radiation Control Area.No Erythema Was Oberved & Employee Scheduled to Visit Company Physician as Precaution

PNO-II-92-020:on 920327,hot Particle Was Detected on Forehead of Health Physics Technician When Exiting Radiation Control Area.No Erythema Was Oberved & Employee Scheduled to Visit Company Physician as Precaution

ML20203G023
Person / Time
Site:	North Anna
Issue date:	03/30/1992
From:	Boland A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
References
PNO-II-92-020, PNO-II-92-20, NUDOCS 9712180016
Download: ML20203G023 (1)

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March 30,1992 R

LRfLIMINARY NOTIFICAY10N OF EVENT OR UNUSUAL OCCURRENCE PHO-II-92-20 This preliminary notification constitutes FARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verifi cation or evaluation,and is basically all that is known by the Region II staff on thi date.

FACILITY: North Anna Power Station Licensee Emer ency Classification:

Virginia Power Company Notifica ion of Unusual Event t .

Docket *No. 339*.

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( Q*f Alert t 7- s~ . -

Site Area Emergency d' 4

• General Emergency

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" T " Not Applicable

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SUBJECT:

NORTH AHfiA HOT PARTICLE CONTAMINAf!ON EVEHT

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K On March 27, 1992, a hot particle ww-ettected on the forehead of a health

. j ., p sics technician when exiting the Radiation Control Area. The particle was .

. v Ible and easily removed from the employce's foretead using tape. The licensee' believes that the employee was exposed to the hot particle while assisting a Unit 2, "A"' steam generator channel head worker remove outer protective clothing. .

, a The initial evaluatio'n by the licensee indicated the hot particia was a <

,' 5.327 microcurie fuel fragment consisting predominantly of Niobium-95 and

. Zirconium-95. ,Using methodol similar to the VARSKlH dose codo and a 3 hour3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br />

. and 13 minute exposure time based on containment card reader data), the dose r i

to the skin was estimated at approximately 49.4 Rem and 17.1 uCl-hrs which is consideration.l'less. than ',

the HRC beta emission criterion of 75 utt-hrs, used for enforcement

. . The licensee's assessment of this event is ongoing. No erythema was observed

and the employee is scheduled tu visit a company physician as a precaution. ,

Region II will continue to monitor follow-up activities.

'? The NRC rocotved initial notification of this event from the licenoco at 13:29

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(EDT) on March 28, 1992. ,. ,

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l This information is r.urrent as of 09:30 on Monday, March 30, 1992. Q } ,

• CONTACT: -

A. Bolind '

.. . [J M ,

. 841-3758 -

9712100016 920330 W PDR 184 PNO-!!-92-020 PDR

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