The purpose of this study is to assess the conditions likely to emit mercury into the air or water during the storage of mercury waste in class 1 landfills and to quantify these emissions. This work was carried out on the basis of a regulatory watch and an assessment of the mercury waste deposit through a literature review and consultation of the stakeholders concerned. The second stage consisted of a theoretical assessment of the behaviour of mercury and the associated risks by identifying the chemical forms of mercury in the waste under consideration and the conditions of its mobilisation during the various stages of waste management in a class 1 landfill. This work has made it possible to characterise the health and environmental risks of the various typical scenarios for the management of waste in class I landfill sites, leading to recommendations aimed at limiting these risks.
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