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The Swedish final repository and the possible risk of interactions by microbial activities

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Summary

The final Swedish repository for low- and intermediate-level nuclear waste is described, and some of the possible problems caused by microbial activity during storage are discussed. Microbial degradation of bitumen constitutes one of the greatest risks in the silo part of a repository. The production of carbon dioxide due to both aerobic and anaerobic processes might lead to a decrease in the pH of the water, inducing corrosion of the metal construction and storage containers, with large amounts of hydrogen gas being produced. A risk assessment for the repository must thus take into account the various activities of microbes.

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  1. Department of NBC-defence, Swedish Defence Researcg Establishment, S-901 82, Umeå, Sweden

    R. Roffey

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  1. R. Roffey
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Roffey, R. The Swedish final repository and the possible risk of interactions by microbial activities. Experientia 46, 792–794 (1990). https://doi.org/10.1007/BF01935526

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