Preliminary Evaluation of Heavy Metal Contamination and Source Identification in Kuala Lumpur SMART Stormwater Pond Sediments Using Pb Isotopic Signature

Nabeel Abdullah Alrabie, Ferdaus Mohamat-Yusuff, Hashim Rohasliney, Zufarzaana Zulkeflee, Mohammad Noor Azmai Amal, Aziz Arshad, Syaizwan Zahmir Zulkifli, Anugrah Ricky Wijaya, Najat Masood and Muhamad Shirwan Abdullah Sani
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Nabeel Abdullah Alrabie: Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Malaysia
Ferdaus Mohamat-Yusuff: Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Malaysia
Hashim Rohasliney: Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Malaysia
Zufarzaana Zulkeflee: Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Malaysia
Mohammad Noor Azmai Amal: Department of Biology, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia
Aziz Arshad: Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Malaysia
Syaizwan Zahmir Zulkifli: International Institute of Aquaculture & Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Jalan Kemang 6, Batu 7, Teluk Kemang, Port Dickson 71050, Malaysia
Anugrah Ricky Wijaya: Department of Chemistry, Universitas Negeri Malang (UM), Jl. Semarang 5, Malang 65145, Indonesia
Najat Masood: Department of Chemistry, Faculty of Science, University of Ha’il, Ha’il 55471, Saudi Arabia
Muhamad Shirwan Abdullah Sani: International Institute for Halal Research and Training, International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur 53100, Malaysia

Sustainability, 2021, vol. 13, issue 16, 1-16

Abstract: Uncontrolled urbanization and growing industrialization are major sources of pollutants that affect the urban stormwater quality and, therefore, the receiving aquatic environment. The concentrations of heavy metals (As, Cd, Cr, Cu, Fe, Ni, Pb, and Zn), and Pb isotope ratios in surface sediment samples obtained from SMART holding and storage ponds located in Kuala Lumpur were investigated using inductively coupled plasma-mass spectrometry (ICP-MS). The highest metal concentrations were found at the SMART holding pond (SHP), the first recipient of urban stormwater runoff from the SMART system catchment area. As, Cd, Pb, and Zn are the dominant metal contaminants in the sediments of both SMART ponds, with values exceeding the average shale values. According to contamination indices applied to evaluate the environmental risk caused by heavy metals, As had the highest values among the metals examined, denoting moderate contamination. Hence, it can frequently cause harmful effects on the sediment-living species. The Pb isotope ratios ( 206 Pb/ 207 Pb and 208 Pb/ 207 Pb) indicated that coal combustion was the foremost source of anthropogenic Pb in the sediments of both SMART ponds. The control of coal combustion and sites undergoing intensive human activities should be given priority in the foreseeable future.

Keywords: SMART stormwater ponds; heavy metals contamination; contamination indices; Pb isotope ratios; tracing contamination sources (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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