Determination and risk assessment of heavy metals in air dust fall particles

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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JR_EHEM-8-4_009

تاریخ نمایه سازی: 28 آذر 1400

Abstract:

Background: Urban and industrial development has increased the concentration of heavy metals in various environments, and also, increased their amount in dust fall particles. The aim of this study was to determine and assess the risk of heavy metals in air dust fall particles. Methods: Sampling of air dust fall particles was performed using the British model Dust Fall Jar devices. Heavy metals concentrations in the samples were determined using an atomic absorption spectrometer device. Then, the risk assessment of heavy metals in air dust fall was calculated by three indicators including enrichment factor (EF), geo-accumulation index (Igeo), and integrated pollution index (IPI). Data were analyzed using descriptive statistics and Excel ۲۰۱۶ software. Results: Zn was the most abundant heavy metal. The results of EF index showed that the highest degree of enrichment of dust fall particles with heavy metals is related to Ag and the lowest one is related to Cr. Also, the changes of Mean of both Igeo and IP indicators were as Ag > Pb > Zn > Cd > Cu > Co > Cr. Conclusion: According to the results, it can be concluded that Cr metal is originated from the earth and other metals are of man-made origin and are mainly due to the emissions of vehicles and industries. Also, on average, the samples had very low pollution in relation to all metals. Although the amount of pollution caused by heavy metals has not exceeded the allowable limits, but considering industrial development programs in the region, continuous measures to control air pollution caused by industries, are absolutely necessary.

Authors

Amir Javid

Department of Civil Engineering, School of Technical and Engineering, Shiraz Payam-e-Noor University, Shiraz, Iran

Alireza Nasiri

Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran

Hakimeh Mahdizadeh

Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran

Seyed Mojtaba Momtaz

Department of Environmental Health Engineering, Zarand School of Nursing, Kerman University of Medical Sciences, Kerman, Iran

Mahdieh Azizian

Modeling in Health Research Center , Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran

Neda Javid

Corresponding author: Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran

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