Chemical composition of hard- and softrock groundwaters from central Norway with special consideration of fluoride and Norwegian drinking water limits

Groundwaters from crystalline and metamorphic rocks (hardrocks) and alluvial and glacial deposits (softrocks) from the counties of Nord-Trondelag and Sor-Trondelag, Norway were analyzed for major and minor elements and ions including fluoride. The median concentration of F super(-) from the hardrock...

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Bibliographic Details
Published in:Environmental geology (Berlin) 1995-10, Vol.26 (3), p.147-156
Main Authors: SAETHER, O. M, REIMANN, C, HILMO, B. O, TAUSHANI, E
Format: Article
Language:English
Subjects:
Aquifers
Earth sciences
Earth, ocean, space
Exact sciences and technology
Fluorine compounds
Geochemistry
Hydrogeology
Hydrology. Hydrogeology
Mineralogy
Q1
Silicates
Water analysis
Water geochemistry
Water treatment
Water wells
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Summary:Groundwaters from crystalline and metamorphic rocks (hardrocks) and alluvial and glacial deposits (softrocks) from the counties of Nord-Trondelag and Sor-Trondelag, Norway were analyzed for major and minor elements and ions including fluoride. The median concentration of F super(-) from the hardrock aquifers is 0.28 mg/l and 0.05 mg/l for softrock aquifers. When applying the recently proposed Norwegian drinking water limits to the data, 51% of all softrock well waters and 56% of all hardrock well waters are unfit for consumption without prior treatment.
ISSN:0943-0105
1432-0495
DOI:10.1007/BF00768736