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Title

Health risk assessment of heavy metals, BTEX and polycyclic aromatic hydrocarbons (PAHs) in the workplace in a secondary oil re-refining factory

مجله پیشرفت در تحقیقات بهداشت محیط، دوره: 8، شماره: 2
Year: 1399
COI: JR_JAEHR-8-2_001
Language: EnglishView: 71
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Authors

Iman Molaei - Department of Environmental Engineering, Tehran West Branch, Islamic Azad University, Tehran, Iran
Sayed Mostafa Khezri - Department of Environmental Engineering, Tehran West Branch, Islamic Azad University, Tehran, Iran
Mohammad Sadegh Sekhavatjou - Department of Environmental Engineering, Tehran West Branch, Islamic Azad University, Tehran, Iran
Abdolreza Karbassi - Department of Environmental Engineering, Tehran West Branch, Islamic Azad University, Tehran, Iran
Azamalsadat Hosseni Alhashemi - Department of Environmental Engineering, Tehran West Branch, Islamic Azad University, Tehran, Iran

Abstract:

The present study aimed to evaluate the health risk of heavy metals (iron, zinc, cadmium, arsenic, nickel, lead, and mercury), benzene, toluene, ethylbenzene and xylene (BTEX), and polycyclic aromatic hydrocarbons (PAHs) in the workplace in a secondary oil re-refining factory. In this descriptive, cross-sectional study, samples were collected and analyzed using the NIOSH 1501 method at eight sampling points with determined concentrations of BTEX, 16Ʃ PAHs, and heavy metals. The concentration of each pollutant was evaluated based on the type of workers (packaging/filtration). The risk assessment of the contaminants was carried out using the RAIS software, and the risk of non-carcinogenic compounds was estimated based on the reference respiratory concentration (mg/m3). The results showed that the lifetime cancer risk index (LCR) cumulative risk of the heavy metals was within the definitive risk range at all the sampling points. The highest carcinogenic risk of LCR belonged to arsenic at sampling point H (filtration chamber), and the highest cumulative carcinogenic risk of the total contaminants in the environmental sampling points belonged to sampling point H. At all the sampling points, the LCR carcinogenic risk accumulation for the hydrocarbon compounds was within the definitive range. The maximum cumulative lifetime cancer risk for the hydrocarbon compounds was evaluated in filtration (point B), and the most hazardous carcinogens were arsenic, benzo(a)pyrene, and naphthalene. The proposed risk assessment method was observed to be comprehensive, and its results could be used for corrective and controlling measures and the prioritization of risk reduction resources.

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This Paper COI Code is JR_JAEHR-8-2_001. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1168914/

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Molaei, Iman and Khezri, Sayed Mostafa and Sekhavatjou, Mohammad Sadegh and Karbassi, Abdolreza and Hosseni Alhashemi, Azamalsadat,1399,Health risk assessment of heavy metals, BTEX and polycyclic aromatic hydrocarbons (PAHs) in the workplace in a secondary oil re-refining factory,https://civilica.com/doc/1168914

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Scientometrics

The specifications of the publisher center of this Paper are as follows:
Type of center: Azad University
Paper count: 3,056
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