Repository of Research and Investigative Information

Repository of Research and Investigative Information

دانشگاه علوم پزشکی و خدمات بهداشتی درمانی زنجان

Study of heavy metal levels in indoor dust and their health risk assessment in children of Ahvaz city, Iran

(2016) Study of heavy metal levels in indoor dust and their health risk assessment in children of Ahvaz city, Iran. Toxin Reviews. pp. 16-23.

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The concentration of heavy metals in household dust and their health risks on children living in different areas of Ahvaz city was investigated during November 2013 to October 2014 in Iran. Totally, 108 dust samples were taken from their houses in three different areas including S1 (industrial), S2 (heavy traffic) and S3 (residential zone far away from industrial and traffic emission sources). The samples were analyzed for eight selected heavy metals (Cr, Ni, Cu, Mn, Pb, Zn, Co and Cd) using an inductively coupled plasma optical emission spectroscopy (ICP-OES, Spectro Arcos Model, Germany). Exposure and risk assessment of these metals were estimated using USEPA’s exposure parameters. Results showed that the mean values of all heavy metals in tempered months were significantly higher than the other months (p < 0.05). Cancer risk and non-carcinogenic risk (hazard index) of Ni, Cr, Cd and Pb from indoor dust exposure were estimated for children via three exposure pathways (ingestion, inhalation and dermal contact). The non-cancer risks to children in all samples were lower than acceptable level of 1, while the potential cancer risks from Ni intake in S1 and S2 were 1.57E − 06 and 1.19E − 06, respectively, and for Cr in S1 and S2, it was 1.43E − 06 and 1.15E − 06, respectively, which these values were slightly higher than the acceptable level (1 × 10−6). In conclusion, household dust of Ahvaz city would probably have a significant potential to cause cancer in most exposed children. © 2016 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Article
Keywords: Ahvaz children health risk Heavy metals indoor dust cadmium chromium cobalt copper heavy metal lead manganese nickel zinc Article cancer risk child controlled study dust exposure flame photometry health hazard house dust human Iran risk assessment
Page Range: pp. 16-23
Journal or Publication Title: Toxin Reviews
Abstract and Indexing: ISI, Scopus
Quartile : Q3
Volume: 35
Number: 1-2
Identification Number:
Depositing User: خانم مریم زرقانی

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