In situ measurements to investigate the mobilisation and speciation of emerging and priority oxyanionic contaminants in water, sediment, and soil

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Emerging and priority oxyanionic contaminants such as antimony, chromium, vanadium and tungsten present a significant environmental hazard. They are often associated with mining, and numerous contaminated sites have been identified within Australia. In order to manage these contaminants appropriately, there needs to be suitable methods to analyse them. Passive sampling technology will be developed that will allow the measurement of these contaminants and their speciation in water, and sediment and soil pore waters. This project will use these new samplers to investigate the geochemical mechanisms of mobilisation of these contaminants in laboratory mesocosm experiments, as well as at selected contaminated field sites within Australia.