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Évaluation de l’exposition et valeurs de référence pour les poussières sédimentées dans les environnements intérieurs

Abstract : Health risk assessments of chemical substances consider aggregate and/or cumulative exposures in order to characterise population health risks realistically. Should environmental exposure to chemical substances via indoor settled dust be taken into account and if so, how? Exposure to the chemicals in settled dust can occur through ingestion, inhalation, and dermal contact. Ingestion appears to be the most important route of exposure, and the only one that can be estimated from current knowledge. The recommended measurement technique is sampling by vacuuming a given surface, then sieving the dust at 250 μm (maximum size of the particles adhering to the hands) to document the mass and surface concentrations. Oral bioaccessibility would provide a better exposure estimate, but its methods have not yet been validated for most compounds. Guideline values for indoor dust are relevant if exposure via dust is non-negligible for a fraction of the population. They could be developed by simply allocating a fraction of the toxicological reference value to dust.
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https://hal-anses.archives-ouvertes.fr/anses-03319797
Contributor : Christine Druesne <>
Submitted on : Friday, August 13, 2021 - 9:15:43 AM
Last modification on : Monday, September 20, 2021 - 9:44:11 AM

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Guillaume Perouel, Marion Keirsbulck, Thomas Chaigneau, Matthieu Delannoy, Williams Esteve, et al.. Évaluation de l’exposition et valeurs de référence pour les poussières sédimentées dans les environnements intérieurs. Environnement, Risques and Santé, John Libbey Eurotext, 2021, 20 (4), pp.383-388. ⟨10.1684/ers.2021.1569⟩. ⟨anses-03319797⟩

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