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Halter av bly, arsenik, uran och kadmium i brunnsvatten från ett område med berggrund av alunskiffer, Linköpings kommun
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2017 (Swedish)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesisAlternative title
Levels of lead, arsenic, uranium and cadmium in well water from an area with alum shale bedrock, Linköping municipality (English)
Abstract [en]

Access to clean water is vital to human health. In Sweden, private households are responsible for the quality of their drinking water and the national food agency (SLV) recommends private households to analyze the quality of their drinking water every three years. However, this recommendations are rarely followed. This project assess water quality (metal concentrations) in well water from a risk area described by the geological survey of Sweden (SGU) that could have high concentrations of cadmium and lead in wells. My project tests the hypothesis that high metal concentrations, observed in wells from a previous study by SGU, are caused by local geological conditions including metal-rich alum shale bedrock. Water samples from 18 wells, located in an area with alum shale bedrock according to the SGU outside of Linköping, was analyzed for metals (arsenic, lead, cadmium and uranium). In contrast to previous studies, I found that concentrations of all the studied metals were below the SLV drinking water standards. Slightly enriched concentrations of uranium in some of the samples indicate that minerals containing uranium in the alum shale affect the water. There is a connection in the study area between alum shale and higher levels of uranium and arsenic in the well water but not lead or cadmium.   

Place, publisher, year, edition, pages
2017. , 12 p.
Keyword [en]
Alum shale, metal concentrations, private wells, water quality
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:umu:diva-136245OAI: oai:DiVA.org:umu-136245DiVA: diva2:1109913
External cooperation
Linköpings kommun
Subject / course
Examensarbete i miljö och hälsoskydd
Educational program
Master of Science Programme in Environmental Health
Supervisors
Examiners
Available from: 2017-06-21 Created: 2017-06-14 Last updated: 2017-06-21Bibliographically approved

Open Access in DiVA

fulltext(837 kB)8 downloads
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File name FULLTEXT01.pdfFile size 837 kBChecksum SHA-512
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Type fulltextMimetype application/pdf

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Wenner, Joakim
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Department of Ecology and Environmental Sciences
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf