RHONE-ALPES -- shut downPurpose/type: plant for the production of beryllium and thoriumLocation: Saint-Martin-La-Porte (Savoie) in the valley of la Maurienne Operator: Pechiney Aluminium Period of operation: ? (thorium 1964-1965)Actual production: “very slight production of thorium”According to the Tribune de Genève, the Calypso site, like that of Teppes, was used as a dump. Contamination by beryllium was detected in 1992 [TG 8.x.92]. The prefectoral authorities asked Pechiney to decontaminate this site and the sites of La Praz and of Teppes.
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