Health risk assessment of heavy metal exposure from indoor dust: A case study of residential buildings in Isfahan, Iran

Background: Heavy metals (HMs) are toxic pollutants whose concentrations in confined spaces might cause severe health impacts. This study aimed to determine the concentration and health risk of As, Cd, Co, Pb, Mn, Ni, and V in indoor household dust in Isfahan during 2022-2023. Methods: Ninety dust s...

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Bibliographic Details
Published in:Environmental health engineering and management 2024-12, Vol.11 (1), p.39-50
Main Authors: Hammood, Makkiyah Abdulhssein, Chamani, Atefeh, Sobhanardakani, Soheil
Format: Article
Language:English
Subjects:
dust
exposure
health risk assessment
heavy metals
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Summary:Background: Heavy metals (HMs) are toxic pollutants whose concentrations in confined spaces might cause severe health impacts. This study aimed to determine the concentration and health risk of As, Cd, Co, Pb, Mn, Ni, and V in indoor household dust in Isfahan during 2022-2023. Methods: Ninety dust samples were collected from 30 sampling homes. After preparation and acid digestion of the samples in the laboratory, the concentrations of the elements were determined using the ICP-OES method and analyzed statistically. Results: Except for Pb, the HMs’ mean concentrations were significantly lower than the permissible limit (PMn>Ni>V>As>Co>Cd. Moreover, direct ingestion followed by dermal contact and inhalation were the most important exposure pathways to the HMs-contaminated dust for both children and adults.
ISSN:2423-3765
2423-4311
DOI:10.34172/EHEM.2024.06