Evaluation of Polycyclic Aromatic Hydrocarbons Contamination in the Sediments of the Johor Strait, Peninsular Malaysia

Keshavarzifard, Mehrzad and Zakaria, Mohamad Pauzi and Keshavarzifard, Shahin (2019) Evaluation of Polycyclic Aromatic Hydrocarbons Contamination in the Sediments of the Johor Strait, Peninsular Malaysia. Polycyclic Aromatic Compounds, 39 (1). pp. 44-59. ISSN 1040-6638

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Official URL: https://doi.org/10.1080/10406638.2016.1257997

Abstract

In May 2013, sediment samples were collected from five stations in the Straits of Johor, near the southern tip of Peninsular Malaysia, in order to evaluate the distribution and sources of polycyclic aromatic hydrocarbons (PAHs). The concentrations of 16 United States Environmental Protection Agency PAHs varied from 650.5 to 1441.2 ng g −1 dry weight (dw) with a mean value of 985.5 ng g −1 dw. PAHs can be classified as moderate level pollution in the collected samples. When comparing PAHs in this study with that of the sediment quality guidelines (SQGs), it was found that the total PAHs, low molecular weight (LMW), and high molecular weight (HMW) PAHs might incur minimal adverse biological effects. The diagnostic ratios of individual PAHs indicated both petrogenic and pyrogenic origins with predominantly pyrogenic sources, the findings of which are further supported by the results from principal component analysis (PCA). The PCA results reveal contributions of 44.44%, 32.3%, and 18.96% for traffic-related, coal combustion, and petroleum-related products, respectively. These findings indicate that the effective monitoring and significant improvement resulting from the implementation of environmental regulations in Malaysia might have caused a shift in the source of petroleum hydrocarbons in the Straits of Johor's aquatic ecosystems from petrogenic to pyrogenic origins. © 2017, © 2017 Taylor & Francis Group, LLC.

Item Type: Article
Uncontrolled Keywords: Malaysia; polycyclic aromatic hydrocarbons (PAHs); origin; sediment; sources; Straits of Johor
Subjects: Q Science > QH Natural history
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Institute of Ocean and Earth Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Apr 2020 11:27
Last Modified: 23 Apr 2020 11:27
URI: http://eprints.um.edu.my/id/eprint/24220

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