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A Lines of Evidence Approach to the Assessment of the Bioaccessibility as in Soils in the UK

Cave, M; Palumbo-Roe, B; Klinck, B; Wragg, J

doi: 10.1097/01.ede.0000339606.62320.3c
Abstracts: ISEE 20th Annual Conference, Pasadena, California, October 12–16, 2008: Symposium Abstracts

British Geological Survey, Nottingham, United Kingdom.

Abstracts published in Epidemiology have been reviewed by the organizations of Epidemiology. Affliate Societies at whose meetings the abstracts have been accepted for presentation. These abstracts have not undergone review by the Editorial Board of Epidemiology.


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In the UK up to a third of the country exceeds the the UK soil guideline value of 20 mg/kg and areas such as the South West (Devon and Cornwall) the background values exceed 100 mg/kg. This presentation will put forward our approach which uses a combination of contaminant mapping, in-vitro bioacessibility tests and geochemical characterisation including sequential leaching, in combination with spatial modelling of the potential hazard. We are trying to develop a ‘lines of evidence’ approach which allows us to build confidence on our risk assesment by using these different sources of information. This helps us to answer the questions relating to the magnitude of the potential hazard and why and how the hazard exists.

© 2008 Lippincott Williams & Wilkins, Inc.