Determination, Effects, and Health Risk Assessment of Heavy Metals and Polycyclic Aromatic Hydrocarbons Pollutants in Road Dust of Kaduna Metropolis, Nigeria
Abstract
This study assessed the effects and health risk assessment of PAHs and heavy metals on six major roads in Kaduna metropolis using Gas chromatography-mass spectrometry (GC-MC) and atomic absorption spectrometer (AAS). This study indicates that the areas around Abuja Kaduna Zaria Express Way and Independence Way recorded the highest mean concentrations of HMW-PAHs (4–6 rings), with highly carcinogenic PAHs such as B(a)P being the most prevalent. Children are found to be at a higher risk of cancer due to the exposure to contaminated particles, with the highest incremental lifetime cancer risk (ILCR) being 2.46E-01. The carcinogenic PAHs were found to be below the USEPA's 10?6 limit, indicating no cumulative carcinogenic risk. Cr and Sn observed in road dust samples was above the regulatory control limits of 1.10E+01 mg/kg as prescribed by USEPA and background concentrations, for the soils specified by the Nigerian regulatory body. Except for Cu, Fe, Ni, and Zn, the contamination factor index showed elevated level of potentially harmful metals.
Keywords
Heavy metals, PAHs, Pollutants, Risk assessment, Road dust
Citations
IRE Journals:
Babagana Muktar , Mohammed Jibril , Adamu Alhaji Mohammed
"Determination, Effects, and Health Risk Assessment of Heavy Metals and Polycyclic Aromatic Hydrocarbons Pollutants in Road Dust of Kaduna Metropolis, Nigeria" Iconic Research And Engineering Journals Volume 7 Issue 8 2024 Page 85-92
IEEE:
Babagana Muktar , Mohammed Jibril , Adamu Alhaji Mohammed
"Determination, Effects, and Health Risk Assessment of Heavy Metals and Polycyclic Aromatic Hydrocarbons Pollutants in Road Dust of Kaduna Metropolis, Nigeria" Iconic Research And Engineering Journals, 7(8)
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