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Food survey of three areas of the lower Rhone valley: Codolet, Tresques, and the Camargue. Consumption/home consomption.

B. DESCAMPS 1, F. GUILLET2
Radioprotection 2003, Vol. 38, n° 3, p 299-322

Document type > *Article de revue

Keywords > impact, radionuclides, Rhone/Rhone valley

Research Unit > IRSN/DEI/SESURE/LERCM

Authors >

Publication Date > 06/09/2003

Summary

In 1996 the IRSN studied the dosimetric impact of the Marcoule site on the inhabitants of reference village, Codolet. The ingestion-related impact highlighted by this study revealed the need for further familiarisation with the eating habits of the villagers, and more precisely their home consumption habits (that is consumption of locally-produced foodstuffs, own personal production, however supplied or purchased). Accordingly a food survey was carried out in May 1998 in the village of Codolet and also in the village of Tresques that acted as control village and in the area of the Camargue that was flooded when the Rhone burst its beans in October 1993 and January 1994. Knowledge of "real and current" home consumption habits is important as in the 1996 study, it was taken that all consumption was of the home consumption type. The survey, comprising a 14-page survey questionnaire, covers some twenty selected households per site. A "fictitious' unit was used to make allowance for the wide variations in household make-up for this type of weeklong survey. This unit is called a "unit of consumption, uc" and is expressed in g or cl per uc, per day (g or et uc-1 j-1). It differs very little from the more conventional unit expressed in g or cl per inhabitant, per day (g or cl h-1 j-1). The thirteen main home consumption foodstuffs in the three survey samples were (mean values in g or cl uc 1 j-1): potatoes (62), lettuces (42), tomatoes (18), carrots (16), leeks, French beans and strawberries (13), cherries and radishes (11) in the fruit and vegetable category; eggs and chicken (15) for produce of animal origin; wine and water (10) in the liquids category. As regards Codolet, the home consumption figures for foodstuffs included in the 1996 dosimetric study are all, with the exception of wine, much higher than those revealed by our food survey. Applying our figures to update this dosimetric study would cause the ingestion aspect of dosimetric impact to drop very significantly.

1 IRSN, Département de protection de l'environnement, B.P. 3, 13115 St Paul-les-Durance Cedex, France.
2 J.C.A. Consultants, 06640 St Jeannet, France.

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