Eurodif, which means European Gaseous Diffusion Uranium Enrichment Consortium, is a subsidiary of the French company AREVA, which operates a uranium enrichment plant established at the Tricastin Nuclear Power Center in Pierrelatte in Drôme.
The Tricastin Nuclear Power Plant is a collection of sites run by Areva and EDF located in 4 different communes Saint-Paul-Trois-Châteaux and Pierrelatte in Drôme, Bollène and Lapalud in Vaucluse, and four departments (Drome (26), Vaucluse (84), Gard (30) and Ardeche (07)) on right bank of the Channel of Donzère-Mondragon (diversion canal of the Rhône River) between Valence (70 km upstream) and Avignon (65 km downstream).