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Article Dans Une Revue Science of the Total Environment Année : 2014

Health risk assessment linked to filling coastal quarries with treated dredged seaport sediments

Yves Perrodin
Evens Emmanuel
Thierry Winiarski
  • Fonction : Auteur

Résumé

Dredged seaport sediments raise complex management problems since it is no longer possible to discharge them into the sea. Traditional waste treatments are poorly adapted for these materials in terms of absorbable volumes and cost. In this context, ␣lling quarries with treated sediments appears interesting but its safety regarding human health must be demonstrated. To achieve this, a speci␣c methodology for assessing health risks has been developed and tested on three seaport sediments. This methodology includes the development of a concep- tual model of the global scenario studied and the de␣nition of speci␣c protocols for each of its major steps. The approach proposed includes in particular the use of metrological and experimental tools that are new in this con- text: (i) an experimental lysimeter for characterizing the deposit emissions, and (ii) a geological radar for iden- tifying potential preferential pathways between the sediment deposit and the groundwater. The application of this approach on the three sediments tested for the scenario studied showed the absence of health risk associated with the consumption of groundwater for substances having a "threshold effect" (risk quotient b1), and an ac- ceptable risk for substances having a "non-threshold effect", with the notable exception of arsenic (individual risk equal to 3.10␣ 6).
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Dates et versions

halsde-00984581 , version 1 (28-04-2014)

Identifiants

Citer

Yves Perrodin, Gilles Donguy, Evens Emmanuel, Thierry Winiarski. Health risk assessment linked to filling coastal quarries with treated dredged seaport sediments. Science of the Total Environment, 2014, 485-486, pp.387-395. ⟨10.1016/j.scitotenv.2014.03.104⟩. ⟨halsde-00984581⟩
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