Geochemical Mapping   Agriculture   Environment   Method Development
 

Geochemical Mapping

• This is an on-going programme that involves the analysis of thousands of samples of soils, rocks, sediments, water & plants taken from accurately known locations, for as many elements as possible (currently about 60).  Existing information from other programs with geographically referenced data, e.g. agricultural productivity, biodiversity, epidemiology, geology, land use, and remote sensing are also incorporated as layers into the database.

Agriculture

• Essential elements in soils and Jamaican foods.

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Environment

• Monitoring of air pollution in rural and urban areas using epiphytic plants.
• Heavy metals:
• Levels in Jamaican soils.
• Uptake by plants.
• Concentrations in the kidneys and livers of ruminants.
• Concentration in the kidneys and livers of human autopsy subjects.
• Blood levels in Jamaican children.
• Studies on Radon, Uranium and Thorium in Jamaica.

Analytical Method Development

• Heavy metals in food and biological samples by Atomic Absorption Spectrophotometry.
• Multi-element analysis of geological and biological materials using Neutron Activation Analysis and XRF.
• Analysis of radon.

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