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Sources, mobility and bioaccessibility of lead in soils: a case study using allotments in North East England (HLS/SE/DRFAPP7P/63597)

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  • Full or part time
    Prof Dean
  • Application Deadline
    Applications accepted all year round

Project Description

The Regulatory Agency in England has recently updated its Category 4 Screening Level for a range of elements including Pb. The new limit for Pb in soil is <80 mg/kg Pb (it was formerly 450 mg/kg). This has now raised considerable awareness of the risk to humans from soil contaminated with Pb. This project will investigate the soil from allotments in Newcastle upon Tyne to establish a range of parameters including:
o Pb levels in allotment soils and 3 vegetables.
o Pb plant uptake levels determined directly and by single extraction protocols
o An assessment of risk from ingestion of soil / vegetables.
o Determination of the oral bioaccessibility (with glycine) for all soil samples.
o Investigate links between soil mineralogy and plant uptake / oral bioaccessibility data.

Informal Enquiries
For further details of how to apply, entry requirements and the application form, see
https://www.northumbria.ac.uk/research/postgraduate-research-degrees/how-to-apply/
Please ensure you quote the advert reference above on your application form.

Eligibility
For further details of how to apply, entry requirements and the application form, see
https://www.northumbria.ac.uk/research/postgraduate-research-degrees/how-to-apply/
Please ensure you quote the advert reference above on your application form.

How to Apply
For further details of how to apply, entry requirements and the application form, see
https://www.northumbria.ac.uk/research/postgraduate-research-degrees/how-to-apply/
Please ensure you quote the advert reference above on your application form.

Funding Notes

This studentship is only open to self-funding candidates. Self-funding candidates are expected to pay University fees and to provide their own living costs. In addition, a ‘bench fee’ will have to be paid to cover project running costs (at a level that will be determined specifically for each project).

References

“Potentially harmful elements in hair, soil and metallurgical wastes in Mitrovica, Kosovo and the role of oral bioaccessibility and mineralogy in assessing the human health risk”, Boisa, N., Bird, G., Brewer, P. A., Dean, J.R., Entwistle, J.A., Kemp, S. J., and Macklin, M. G. Environment International, 60 (2013) 56-70.

“Development and application of an inhalation bioaccessibility method (IBM) for lead in the PM10 size fraction of soil”, Ndokiari Boisa, Nwabueze I. Elom, John R. Dean, Michael E. Deary, Graham Bird and Jane A. Entwistle, Environment International, 70 (2014) 132-142.

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