期刊
APPLIED RADIATION AND ISOTOPES
卷 79, 期 -, 页码 25-36出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2013.04.028
关键词
Facility decontamination and decommissioning; Site radiological characterization; Geostatistics; In situ gamma spectroscopy; In Situ Object Counting System (ISOCS)
Decommissioning of nuclear building structures usually leads to large amounts of low level radioactive waste. Using a reliable method to determine the contamination depth is indispensable prior to the start of decontamination works and also for minimizing the radioactive waste volume and the total workload. The method described in this paper is based on geostatistical modeling of in situ gamma-ray spectroscopy measurements using the multiple photo peak method. The method has been tested on the floor of the waste gas surge tank room within the BR3 (Belgian Reactor 3) decommissioning project and has delivered adequate results. (C) 2013 Elsevier Ltd. All rights reserved.
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