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                <gco:CharacterString>Geochemical surveys conducted by BMR since 1980 in the southern Kakadu region have highlighted the natural occurrence in specific areas of well above crustal concentrations of uranium, thorium, arsenic, mercury and lead.
The natural levels of concentration in the land and possibly the water systems of the South Alligator Valley area could constitute an environmental hazard.
A large part of this area coincides with the area delineated as the "sickness country".
SUBMISSION TO THE RESOURCE ASSESSMENT COMMISSION BY THE BUREAU OF MINERAL RESOURCES, GEOLOGY AND GEOPHYSICS.</gco:CharacterString>
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