Heavy metal contamination in water and sediment of the Port Klang coastal area, Selangor, Malaysia |
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Authors: | Seyedeh Belin Tavakoly Sany Aishah Salleh Abdul Halim Sulaiman A Sasekumar Majid Rezayi Ghazaleh Monazami Tehrani |
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Institution: | 1. Institute of Biological Sciences, University of Malaya, 50603, Kuala Lumpur, Malaysia 3. Food Science and Technology Research Institute, ACECR Mashhad Branch, Mashhad, Iran 2. School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia
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Abstract: | This investigation presents the temporal and spatial distribution of heavy metals (As, Cd, Cr, Cu, Ni, Pb, Hg, and Zn), in water and in sediments of Port Klang, Malaysia. Water and sediment samples were collected from 21 stations at 3-month intervals, and contamination factor $ (C_{\text{f}} ) $ and contamination degree $ (C_{\text{d}} ) $ were calculated to estimate the contamination status at the sampling stations. Cluster analysis was used to classify the stations based on the contamination sources. Results show that concentrations of As, Cd, Hg, and Pb in sediment and As, Cd, Hg, Pb, Cr, and Zn in water were significantly higher than the background values at which these metals are considered hazardous. The main sources of heavy metal contamination in Port Klang were industrial wastewater and port activities. |
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