The use of tritium content as an indicator of the groundwater contamination by sanitary landfills leachates in the region of Belo Horizonte City, Brazil |
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| Authors: | J V Bandeira R M Mingote M B Baptista D M Oliveira F P Lima |
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| Affiliation: | Comiss?o Nacional de Energia Nuclear (CNEN)-Centro de Desenvolvimento da Tecnologia Nuclear (CDTN), Servi?o de Meio Ambiente e Técnicas Nucleares, C. Postal 941, CEP 30123-970, Belo Horizonte, MG, Brazil. jvb@cdtn.br |
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| Abstract: | Tritium content in the leachate of sanitary landfills, in concentrations well above those observed in global precipitation, can be used as a tracer for the evaluation of the contamination of groundwater in piezometers of the landfills and in neighbouring tubular wells. This possibility was first investigated in Brazil for sanitary landfills in the region of Belo Horizonte City. Tritium levels together with the content of metals present in water and the measurement of soil electrical conductivity, proved to be valuable for these studies and also as a tracer for hydrodynamic studies of the surface water in the Ressaca creek. |
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