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Results of an aqueous source term model for a radiological risk assessment of the Drigg LLW Site, U.K.

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Small, J. S., Humphreys, P. N., Johnstone, T. L., Plant, R., Randall, M. G. and Trivedi, D. P. (1999) Results of an aqueous source term model for a radiological risk assessment of the Drigg LLW Site, U.K. MRS Proceedings, 608 (129). ISSN 1946-4274

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To link to this article DOI: 10.1557/PROC-608-129

Abstract/Summary

A radionuclide source term model has been developed which simulates the biogeochemical evolution of the Drigg low level waste (LLW) disposal site. The DRINK (DRIgg Near field Kinetic) model provides data regarding radionuclide concentrations in groundwater over a period of 100,000 years, which are used as input to assessment calculations for a groundwater pathway. The DRINK model also provides input to human intrusion and gaseous assessment calculations through simulation of the solid radionuclide inventory. These calculations are being used to support the Drigg post closure safety case. The DRINK model considers the coupled interaction of the effects of fluid flow, microbiology, corrosion, chemical reaction, sorption and radioactive decay. It represents the first direct use of a mechanistic reaction-transport model in risk assessment calculations.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical and Physical Sciences > Department of Meteorology
No Reading authors. Back catalogue items
ID Code:16608
Additional Information:Proceedings ISBN: 1558995161
Publisher:Materials Research Society

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