Seasonal variability of anthropogenic indices of PAHs in sediment from the Kuala Selangor River, west coast Peninsular Malaysia

Masood, Najat and Halimoon, Normala and Aris, Ahmad Zaharin and Zakaria, Mohamad Pauzi and Vaezzadeh, Vahab and Magam, Sami M. and Mustafa, Shuhaimi and Ali, Masni Mohd and Keshavarzifard, Mehrzad and Alkhadher, Sadeq Abdullah Abdo and Bong, Chui Wei and Alsalahi, Murad Ali (2018) Seasonal variability of anthropogenic indices of PAHs in sediment from the Kuala Selangor River, west coast Peninsular Malaysia. Environmental Geochemistry and Health, 40 (6). pp. 2551-2572. ISSN 0269-4042

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Official URL: https://doi.org/10.1007/s10653-018-0122-z

Abstract

Abstract: Rapid increase in industrialization and urbanization in the west coast of Peninsular Malaysia has led to the intense release of petroleum and products of petroleum into the environment. Surface sediment samples were collected from the Selangor River in the west coast of Peninsular Malaysia during four climatic seasons and analyzed for PAHs and biomarkers (hopanes). Sediments were soxhlet extracted and further purified and fractionated through first and second step column chromatography. A gas chromatography–mass spectrometry (GC–MS) was used for analysis of PAHs and hopanes fractions. The average concentrations of total PAHs ranged from 219.7 to 672.3 ng g −1 dw. The highest concentrations of PAHs were detected at 964.7 ng g −1 dw in station S5 in the mouth of the Selangor River during the wet inter-monsoonal season. Both pyrogenic and petrogenic PAHs were detected in the sediments with a predominance of the former. The composition of hopanes was homogeneous showing that petroleum hydrocarbons share an identical source in the study area. Diagnostic ratios of hopanes indicated that some of the sediment samples carry the crankcase oil signature.

Item Type: Article
Uncontrolled Keywords: Biomarkers; Malaysia; Oil; Pollution sources; Polycyclic aromatic hydrocarbons; Riverine sediment
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Deputy Vice Chancellor (Research & Innovation) Office > Institute of Ocean and Earth Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 May 2019 06:49
Last Modified: 27 May 2019 06:49
URI: http://eprints.um.edu.my/id/eprint/21328

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