Regional Symposium on Innovation in science and technology

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Human health risk assessment of atmospheric dust in Dargaz area NE-Iran

Authors :

Faeze Khodaverdizade¹ Mohammad Hosein Mahmudy Gharaie² Roozbeh Shad³ Hossein Sadeghi⁴

1- دانشکده علوم دانشگاه فردوسی مشهد 2- دانشکده علوم دانشگاه فردوسی مشهد 3- دانشکد مهندسی دانشگاه فردوسی مشهد 4- دانشکده علوم دانشگاه فردوسی مشهد

Keywords :

Risk assessment

Abstract :

Abstract— Exposure to heavy metals bearing dust can pose health risk for the human. In this study, we assessed non-carcinogenic risk of five elements including arsenic (As), chromium (Cr), lead (Pb), nickel (Ni) and zinc (Zn) for the residents (adults and children groups) exposed to dust in Dargaz area. For this purpose, hazard quotient (HQ) and hazard index (HI) calculated based on USEPA method. HI levels for elements in the both groups were averaged Pb>Cr>As>Zn>Ni. The HI of Pb toxic element was in unacceptable level based on USEPA guideline (>1) in both groups. Dramatically, children were in more non-carcinogenic risk than adults' group.

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