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Evaluation of analytical strategies for the determination of metal concentrations to assess landfill leachate contamination

Abstract : Due to the complex nature of landfill leachates, metal and metalloid analyses prove to be tricky and suffer from a lack of standard protocols. A complete approach has been adopted to investigate the influence of the different steps during the sample processing of French landfill leachates. The validation of the entire protocol has been achieved using a laboratory reference material. This material, which is a real landfill leachate, is representative of real samples. Its evaluation has allowed a quality control for metal and metalloid analyses in landfill leachates. Precautions concerning storage temperature, aeration and filtration are proposed to perform accurate metal analyses in these complex matrices. The sample processing has been applied to the seasonal monitoring of a French landfill. The assessment of major leachate metallic contaminants such as As, Cr, Sb, Sn, has been performed by evaluating the relative enrichment of metals and metalloids in comparison with rain water and groundwater. In addition, hydrological data are useful and complementary information for pointing out the main factors affecting metal concentrations and thus their potential remobilisation pathways
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https://hal.inrae.fr/hal-02588801
Contributor : Migration Irstea Publications <>
Submitted on : Friday, May 15, 2020 - 12:59:13 PM
Last modification on : Friday, May 21, 2021 - 9:26:03 AM

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  • HAL Id : hal-02588801, version 1
  • IRSTEA : PUB00021145

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P. Pinel Raffaitin, M. Ponthieu, I. Le Hecho, David Amouroux, L. Mazeas, et al.. Evaluation of analytical strategies for the determination of metal concentrations to assess landfill leachate contamination. Journal of Environmental Monitoring, Royal Society of Chemistry, 2006, 8 (10), pp.1069-1077. ⟨hal-02588801⟩

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