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Egenskaper hos fyllnadsmassor: En studie av fyllnadsmassors påverkan på spridning av restföroreningar från mark
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
2014 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The aim of this study was to estimate how different filling materials affect the mobilization of pollution residue in remediated soil. The aim was also to assess criteria that should be fulfilled for the soil properties of these filling materials. The study was partly based on target value calculations where the impact of varied TOC, hydraulic conductivity and porosity affected the mobility of toluene, trichloroethene, benso(a)pyrene and arsenic residue in the soil. An evaluation of the potential mobility of soil pollution residues where filling materials had been used was carried out for five different locations in Sweden. Soil samples were collected before remediation of contaminated soil, and afterwards when the fillings were restored. Sample analyzes were made for TOC and soil water. The results from the study show that the TOC and porosity content in filling materials has a significant impact on the mobility of soil pollution residues. Filling materials with less TOC than the remediated soil will contribute to an increased mobility of organic pollution residues to the air, surface water and groundwater, whilst lower soil porosity, or rather lower soil water content will contribute to an increased mobility of airborne pollution residues. The results also show that in Sweden the use of filling materials with both lower TOC and soil water content is common. To avoid an increased mobilization of pollution residues from remediated soils, filling materials should contain TOC and soil water equals the contents in the remediated soil.

Place, publisher, year, edition, pages
2014. , 22 p.
Keyword [en]
Soil, pollution residues, filling materials, mobilization, target values
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:umu:diva-93559OAI: oai:DiVA.org:umu-93559DiVA: diva2:749625
Subject / course
Examensarbete i miljö och hälsoskydd
Educational program
Bachelor of Science in Environmental Health
Available from: 2014-09-25 Created: 2014-09-24 Last updated: 2014-09-25Bibliographically approved

Open Access in DiVA