Frengstad, B.S. and Banks, D. (2014) Uranium distribution in groundwater from fractured crystalline aquifers in Norway. In: Sharp, J.M. and Troeger, U. (eds.) Fractured Rock Hydrogeology. Series: Selected papers, International Association of Hydrogeologists (20). Taylor & Francis: London, UK, pp. 257-276. ISBN 9781138001596
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Abstract
Uranium is a heavy metal which is omnipresent in nature as a trace element. Solubility is high over a wide pH range in oxidising groundwater systems. In Norway, uranium in groundwater is particularly linked to granitic and gneissic aquifers. The specific radioactivity of naturally occurring uranium is rather low. Epidemiological studies indicate that long-term intake of drinking water with elevated uranium content affects the kidneys due to the chemo-toxicity of the element. A survey of 476 private bedrock boreholes in South Norway showed a median uranium concentration of 2.5 µg/l with a maximum of 750 µg/l. 12% exceeded the guideline value for drinking water of 30 µg/l set by WHO. No drinking water limit is so far defined by the European Union. A further survey of public waterworks and wells used for food production and other industries in Norway showed a median concentration, 75th percentile and maximum value for fractured crystalline aquifers of 2.04 µg, 6.8 µg and 246 µg uranium per litre, respectively (N=346). Of these, 7.5% exceeded 30 µg/l.
Item Type: | Book Sections |
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Status: | Published |
Glasgow Author(s) Enlighten ID: | Banks, Mr David |
Authors: | Frengstad, B.S., and Banks, D. |
Subjects: | Q Science > QD Chemistry Q Science > QE Geology |
College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
Publisher: | Taylor & Francis |
ISBN: | 9781138001596 |
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