Volume 12, Issue 1 (12-2024)
J Environ Health Eng 2024, 12(1): 103-116 |
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Soleimanipour F, Pourkhabbaz H R. Health risk assessment of heavy metals in urban street dust (Case study: Borazjan city). J Environ Health Eng 2024; 12 (1) :103-116
URL: http://jehe.abzums.ac.ir/article-1-1070-en.html
URL: http://jehe.abzums.ac.ir/article-1-1070-en.html
Master's graduate, Department of Environmental Sciences, Faculty of Natural Resources and Environment, Behbahan Khatam Al AL-Anbia University of Technology, Behbahan, Iran
Abstract: (360 Views)
Background: Since air pollution has always been one of the significant human problems and the effects of dust on human communities are evident, this study aimed to determine the concentration of heavy metals in dust in the urban area of Borazjan and to evaluate the health risk for the residents of this city.
Materials and Methods: This research was conducted in the summer of 2021, with the collection of dust from the main streets of Borazjan city randomly. The samples were dried and sieved after collection from the street surface and were prepared using a digestion method with four acids (HCl: HNO3: HF: HClO4, 3:1:3:1). They were then analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). After determining the concentrations of heavy metals, the health risk assessment was carried out for children and adults through three exposure pathways: ingestion, inhalation, and dermal contact.
Materials and Methods: This research was conducted in the summer of 2021, with the collection of dust from the main streets of Borazjan city randomly. The samples were dried and sieved after collection from the street surface and were prepared using a digestion method with four acids (HCl: HNO3: HF: HClO4, 3:1:3:1). They were then analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). After determining the concentrations of heavy metals, the health risk assessment was carried out for children and adults through three exposure pathways: ingestion, inhalation, and dermal contact.
Results: In this study, the average concentrations of metals were determined as follows: Cu (58.4), Zn (178.06), Fe (14694.86), Ni (30.03), Cr (55.73), Cd (0.23), Pb (60.53), and As (3.88) mg/kg. Additionally, the results of the health risk assessment showed that the health risk for non-carcinogenic effects (HI) in children ranged from 10-1 to 10-3, and in adults, it ranged from 10-2 to 10-4 (HI > 1). The carcinogenicity (CR) of these metals was in the range of 10-5 to 10-11.
Conclusion: Overall, the levels of non-carcinogenic health risk as well as the assessment of carcinogenic risk for both children and adults are within the safe range. Moreover, the carcinogenicity of chromium and nickel is within the controlled pollution range (10-4 to 10-6) and does not pose a significant risk to the health of residents regarding cancer diseases.
Type of Study: Research |
Subject:
Special
Received: 2024/10/5 | Accepted: 2024/11/30 | Published: 2024/12/7
Received: 2024/10/5 | Accepted: 2024/11/30 | Published: 2024/12/7
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