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Characterization of a Deep Radiological Contamination: Integration of Geostatistical Processing and Historical Data

[+] Author Affiliations
Yvon Desnoyers

Geovariances, Avon, France

Patrick de Moura

CEA, Fontenay-aux-Roses, France

Paper No. ICEM2011-59062, pp. 429-433; 5 pages
doi:10.1115/ICEM2011-59062
From:
  • ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management
  • ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B
  • Reims, France, September 25–29, 2011
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 978-0-7918-5498-3
  • Copyright © 2011 by ASME

abstract

The problem of site characterization is quite complex, especially for deep radiological contamination. This article illustrates the added value of the geostatistical processing on a real application case dealing with grounds of facilities partially dismantled at the end of the 1950s in Fontenay-aux-Roses CEA Center (France). 12 years ago, a first exploratory drill-hole confirmed the presence of a deep radiological contamination (more than 4m deep). More recently, 8 additional drill-holes failed to delineate the contamination extension. The integration of the former topography and other geological data led to the realization of 10 additional drillholes. This final stage significantly improved the characterization of the radiological contamination, which impacted the remediation project and the initially estimated volumes.

Copyright © 2011 by ASME
Topics: Contamination

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