ML20204D351

IE Inquiry #3000118-48/78-01Q & 03004041/78-02Q Re Complaint of Former Nes Employee Re Exposure of Magn Personnel to 10 Millirems of Radiat While Performing Radiography in Reactor. Allegation Had Little Merit.Better Coordination Requested

ML20204D351
Person / Time
Site:	Hatch
Issue date:	11/29/1978
From:	Norelius C, Phillip G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	NUCLEAR ENERGY SERVICES, INC.
Shared Package
ML20204D343	List: ML20204D340 ML20204D351
References
3000118-48-78-1, NUDOCS 7812140263
Download: ML20204D351 (6)

Text

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• A800 UNITED STATES f & NUCLEAR REGULATORY COMMISSION

[ ,P() S RECICeiv Ill

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E 799 noosEVELT RO AD cLEN ELLys, iLLtNois set 37

, .a, Inquiry Report No.'3000118-48/78-01Q; No. 03004041.78-02Q ,

LICENSEE: Nuclear Energy Services, Inc.

Danbury, Connecticut License No. 42-16559-01 Magnaflux Corporation Chicago, Illinois

. License No. 12-00622-07

SUBJECT:

COMPLAINT RE INDUSTRIAL RADIOGRA.PHIC ACTIVITIES AT FEPJ1I 2 CONSTRUCTION SITE.

PREPARED BY: [M ///{M7f

' G. A. Philli[

REVIEWED BY: - - MN / h!78 C. E. Norelius A. Date and Manner NRC was Informed:

On October 1B, 1978, at about 8:25 p.m. the Region III Duty Officer received a telephone call from a former employee of Nuclear Energy Services, Inc.

B. Description of Particular Event or Circumstances:

The former employee advised that while employed at the Fermi 2 Construction Site, Monroe, Michigan he became aware of possible violations of procedures by Nuclear Energy Services, Inc. (NES)

Radiography Personnel. He indicated that in August 1978 Magnaflux (AKA Peabody) Radiography personnel were intentionally exposed by NES Radiography Personnel.

i During a followup telephone call to the indit /.ual on October 23, i.

1978, he stated that while the Magnaflux Personnel from the firm's Detroit Facility were performing Radiography inside the reactor, NES Personnel performed Radiography in the drywell which resulted t in the Magnaflux employees receiving about 10 millirems. He said- '

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i he heard someone say during discussion of the occurrence that ,

NES had intentionally exposed the Magnaflux Personnel.  ;

- The individual requested that his identity be kept confidential, t

. He was. informed that the matter would be looked into and he would be informed of our findings. .

1 During a visit to the Fermi 2 site on October 25, and 26, 1978,  ;

pertinent NES records were reviewed and the following personnel were interviewed: ,

Carlton Tucker, Site Manager, NES Steve Walker, Third Shift Supervisor, NES Paul Winslow, Radiographer, NES Dan Hinkle, NDE Inspector, Material Assurance Company, working for General Electric Company It was ascertained that Magnaflux.had performed Radiography for ,

the General Electric Company inside the reactor and NES performed '

all other Radiography on the site. On the night of August 29-30, 1978, Magnaflux began performing Radiography inside the reactor 7 shortly after midnight. They cranked out the source from a wooden shed or tunnel built around the recirculation water inlet which l provided access to the vessel. Unaware of their presence, NES l personnel began performing Radiography in the drywell, operating .

the crank from the roof of the shed. Hinkle, who was with the Magnaflux personnel, heard the NES Radiographer crank the source; ,

out and shouted to them. The NES Radiographer cranked in the. .;

source. Through subsequent discussions an arrangement was worked l out to coordinate the activities using portable radios to avoid ,

a recurrence. A few weeks later, General Electric decided to  ;

use NES for its R diography, and Magnaflux no Iv..ger werks a?. the  !

site. A copy of a report prepared by Walker.was obtained and is attached to this report.

A review of NES utilization records, dosimeter records and film badge reports showed no NES personnel involved received any significant exposure, the maximum dosimeter reading being 10mR.

On October 26, 1978, the Detroit Of fice of Magnaflux was visited.

A review of pertinent records there showed that the two Radio-graphers who worked at Fermi 2 on August 29 and 30, 1978,- recorded maximum dosimeter readings of 21 and 25 MR. Film Badge reports showed no unusual exposure for that period. One of the two Radiographers was not availablet the other was interviewed. The Rad.iographer interviewed corroborated the infotestion obtained ]

at the site.

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I NES and Magnaflux personnel both denied there had been any i intentional exposure of personnel. Both maintained that they had 2 roped off and controlled access to the area where they performed  !

Radiography. Both maintained the other had apparently crossed l their established boundary. Both expressed the opinion that there had been problems in coordinating the work but that none had received any exposure of any significance. ,

I No items of noncompliance were identified.

The ex-employee was telephonically informed of the above on November 8, 1978.

C. Action by Licensee:

The immediate corrective action taken to prevent recurrence was the use of communications to coordinate the activities of the two licensees. Subsequently, one licensee discontinued work at t

the site.

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, ,, , _; (203)742%1 NES entered drywell'at'12:40. Upon entering the drywell, Peabody's truck was seen at the South entrance. No boundaries had been established at this time by either company. The Writer and Paul Winslow entered the drywell and established a 2mr/h area at the entrance of the drywell. We started our first exposure of the night when I heard someone outside the drywell area. The source was exposed approximately 30 seconds and then retracted.

I went down to investagate and found that Peabody was working inside the vessel, but were coming out to make their exposures.

This put Peabody in a potental radiation zone. Jack Hritz, Peabody and the Writer discussed the situation and came to a suitable agreement. Jack Hritz furnished both Peabody and NES with means of communication and the problem was resolved. We flip-flopped our exposures until we could resume a safe working ,

condition.

. f Q STEVE WALKER, LEVEL II 3RD SHIFT SUPERVISOR 1

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