EPJ Nuclear Sci. Technol.
Volume 6, 2020
|Number of page(s)||6|
|Published online||30 March 2020|
UC1 sampling plan, liquid waste storage tanks, JRC Ispra
Brenk Systemplanung GmbH, Heider-Hof-Weg 23,
52080 Aachen, Germany
2 Energorisk Ltd., 141, No7, Simyi Steshenkiv str., Kiev, Ukraine
* e-mail: email@example.com
Received in final form: 23 September 2019
Accepted: 9 October 2019
Published online: 30 March 2020
The objective of INSIDER work package 3 (WP 3) is to draft a sampling guide for initial nuclear site characterization in constrained environments, based on a statistical approach. In this paper, deliverable 3.4 (D 3.4) is presented for WP 3, where the strategy developed in deliverables 3.1 (D 3.1) to 3.3 (D 3.3) is applied to the first of three reference use cases representative of existing decommissioning scenarios. The present discussion focuses on use case 1 (UC1): the liquid waste storage facility at the JRC site of Ispra (Italy). The proposed characterization strategy developed in D 3.2 is applied in a step by step approach to analyse the pre-existing information (obtained through the use of a pre-sampling questionnaire), and to utilise the available inputs towards the development of a sampling plan sufficient for allowing radiological characterization. The proposed sampling plan follows a three-step approach, i.e. determination of possible elevation in activity concentration by non-destructive testing, biased sampling of layers identified, and finally unbiased sampling after mixing of tank contents.
© G. von Oertzen et al., published by EDP Sciences, 2020
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