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CEA-EXPO: A facility exposure matrixto assess passed exposure to chemical carcinogens and radionuclides of nuclear workers

Published online by Cambridge University Press:  17 June 2005

M. Telle-Lamberton ,
P. Bouville ,
D. Bergot ,
M. Gagneau ,
S. Marot ,
J. M. Giraud  and
J. M. Gelas
M. Telle-Lamberton
Affiliation:
IRSN/DRPH/SRBE/LEPID, B.P. 17, 92262 Fontenay-aux-Roses Cedex, France Present address: Institut de Veille Sanitaire, Département Santé Travail, 12 rue du Val d’Osne, 94415 St Maurice Cedex, France
P. Bouville
Affiliation:
IRSN/DRPH/SRBE/LEPID, B.P. 17, 92262 Fontenay-aux-Roses Cedex, France
D. Bergot
Affiliation:
IRSN/DRPH/SRBE/LEPID, B.P. 17, 92262 Fontenay-aux-Roses Cedex, France
M. Gagneau
Affiliation:
IRSN/DRPH/SRBE/LEPID, B.P. 17, 92262 Fontenay-aux-Roses Cedex, France
S. Marot
Affiliation:
IRSN/DRPH/SRBE/LEPID, B.P. 17, 92262 Fontenay-aux-Roses Cedex, France
J. M. Giraud
Affiliation:
CEA, 31-33 rue de la Fédération, 75752 Paris Cedex 15, France
J. M. Gelas
Affiliation:
COGEMA, 2 rue Paul Dautier, B.P. 4, 78141 Vélizy-Villacoublay Cedex, France
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Abstract

A “Facility-Exposure Matrix” (FEM) is proposed to assess exposure to chemical carcinogens and radionuclides in a cohort of nuclear workers. Exposures are to be attributed in the following way: a worker reports to an administrative unit and/or is monitored for exposure to ionising radiation in a specific workplace. These units are connected with a list of facilities for which exposure is assessed through a group of experts. The entire process of the FEM applied in one of the nuclear centres included in the study shows that the FEM is feasible: exposure durations as well as groups of correlated exposures are presented but have to be considered as possible rather than positive exposures. Considering the number of facilities to assess (330), ways to simplify the method are proposed: (i) the list of exposures will be restricted to 18 chemical products retained from an extensive bibliography study; (ii) for each of the following classes of facilities: nuclear reactors, fuel fabrication, high-activity laboratories and radiation chemistry, accelerators and irradiators, waste treatment, biology, reprocessing, fusion, occupational exposure will be deduced from the information already gathered by the initial method. Besides taking into account confusion factors in the low doses epidemiological study of nuclear workers, the matrix should help in the assessment of internal contamination and chemical exposures in the nuclear industry.

Keywords

job exposure matrixchemical exposurenuclear workersepidemiology
Type
Other
Information
Radioprotection , Volume 40 , Issue 2 , April 2005 , pp. 173 - 189
Copyright
© EDP Sciences, 2005

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