ML19332B420

Discusses Status of Nrc/Niosh Effort to Establish TMI-2 Worker Registry

ML19332B420
Person / Time
Site:	Crane
Issue date:	02/27/1981
From:	Flack D NRC OFFICE OF STANDARDS DEVELOPMENT
To:	Parsont M NRC OFFICE OF STANDARDS DEVELOPMENT
Shared Package
ML19331A080	List: ML19331A077 ML19331A082 ML19331A083 ML19331A089 ML19331A096 ML19332B420 ML19332C777 ML19332C783 ML19332C787 ML19332C790 ML19332C812
References
FOIA-89-446 NUDOCS 8104060126
Download: ML19332B420 (8)

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UNITED STATES Wicg NUCLEAR REGULATORY COMMisslON j

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W Atmwof oN,0. c. 20%s s, * *s February 27, 1981 t

MEMORANDUM FOR: Michael A. Parsont, Chief Radiological Health Standarde Branch, 050 l

Diane S. Flack, Radiobiologist 7

FROM:

Radiological Health Standards Branch, OSD STATUS REPORT ON TMI WORKER REGISTRY

SUBJECT:

BACKGROUND _

In response to an April 1,1979 memorandum from former HEV Secretary v

Joseph A. Califano, a cooperative NRC/NIOSH effort was initiated to Documen-establish a registry of persons on the Three Mile Island Site.

tation of who had been on site and their radiation exposure records was considered essential for prc;er follow-up for health effects and protection of the public hedth.

Since the initiation of this effort, NRC has worked with Met-Ed and NIOSH to assure that the proper information is collected and stored at TMI.

This is one of a series of updates of our activities in this area.

During a September 19, 1980 meeting between NRC and Met-Ed representatives it was determined that the dosimetry program at TNI was satisfactory for Furthermore, with the long-term mainte-the purpose of a worker registry.

nance of hRC-required records, it was felt that this program met the dosimetry objectives of the radiat n worker registry requested by forraer

1. de e' A e / 9. e.: V'O^ )

i A. cary Cain ce

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CURRENT STATUS Since the September 1980 meeting at TMI, I have called James Hildebrand, Manager, Radiological Support Services Three Mile Island, once a month to The primary purpose of discuss programs related to the worker registry.

these discussions has been to determine if there have been any changes in:

1) the status of the program areas related to the registry; 2) the types of records, other than NRC-required records, kept on site workers; and 3) the retention of employee records.

We have also discussed the monthly entries into the containment building in regard to:

1) the number and type of workers participating in the entries; 2) the doses received by the entry teams; 3) the records kept on entry team personnel; and 4) the medical data

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being collected before and after the entries.

During the period October 1980 to January 1981 there was no change in the status of the dosimetry records, security records, and personnel records.

f

([

0 twem se m ki

l i.e., the same information was being collected as was previously collected The status of the industrial and the records are still being stored on site.

hygiene group is also still the same, with no immediate plans for encan _

f1on cue to met-Ed's financial problems and large layoffs of site _

r personne].

(lu,,A + ryidaw,frw,#)

Met-r Several decisions and changes have been made in the medical program.

Ed/GPU management has decided not to employ a full time physician on site reed upon nor disapproved of the _

at this tihe, but they have neither ag,lar to the Navy's NAVMED P-5035.

How-revised medical program that was simi

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ner, blo o and urtne testing is now being offered to persons at the time of

..,v/.g annual respiratory physicals.

This additional data will become part of 5e those employce's medical records.

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diation exposures, the records gg,, W m#y Because of the potential for significant rakept on the personne

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special consideration.

A list of people on each entry team is kept in the oys v'. ^ *,

TMI Dosimetry Office, but all additional data kept on them is in their W '"

Extensive medical exams are being done on the entry teams individual files.

Met-Ed is doing complete physical exams only on its G'[

prior to the entries. employees, but is giving respiratory exams to all of t Medical exams for entry personnel working for contractors, such as Bechtel,

./ca ,

w - ef' -

are being left up to their companies.

All personnel involved in entry are

/p given whole body counts and urinalyses.

Urinalyses routinely show the The tritium levels are low-presence of tritium for all entry personnel.

Air samples are yielding calculated doses of less than 1 mrem /yr/ worker.

As being taken to correlate the airborn tritium levels with urine levels.

of January 1980, entry personnel have received an average whole body exposure per entry of about 260 mr, with 400 mr being the mximum exposure to one worker on an entry team.

In addition to the inforration supplied via telephone, the TN! Dosimetry Section continues to send conthly computer printouts on the TLD and self-These data are then compiled (Attachment 1) for.

rea,iing dosimeter data.

distribution to RHSB, OHSB and Region I.

Bimonthly reports of the TLD monitoring data by whole body exposures ranges are ser.t to Dr. Oddvar Nygaard for distribution to the NIH TMI Follow-up Research Subcommittee.

FUTURE PLANS No changes are foreseen in the freediate future for the ronitoring of TMI data and programs related to the TN! worker registry.

h.&txD d v%sk)

Otane S. Flack, Radiobiologist Radiological Health Standards Branch Of fice of Standards Development v

Atta hment:

As stated l

l-cc: Paul Strudler, NIOS,

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SLDNAAY REPORT 1

TMI STATION-UNITS ! & II i

CURRENT OCCUPATIONAL EXTER.%L RADIATION EXPO i

i 01/01/80 12/31/40 Reportperjod i

Personnel sonitored 10,761 No measurable 8,433 agosurs Rem Enosure less than 0.1 1, 35 6 0.1 to 0.25 539 0.25 to 0.5 304 0.5 to 0.75 62 0.75 to 1.0 35 f.0 to 2.0 at 1.0 to 3.0 1

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