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The Determination of Water Quality and Metal Concentrations of Ampang Hilir Lake, Selangor, Peninsular Malaysia

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Author(s): Khaled S.A. Said | M. Shuhaimi-Othman | A.K. Ahmad

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 15;
Issue: 9;
Start page: 437;
Date: 2012;
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Keywords: fish | Ampang Hilir lake | plankton | total suspended solids | water quality | Metals concentration | sediment

ABSTRACT
A study of water quality parameters (temperature, conductivity, total dissolved solid, dissolved oxygen, pH and water hardness) in Ampang Hilir Lake was conducted in January, April, July and October 2010. The water quality parameters were tested and recorded at different sampling stations chosen randomly using Hydrolab Data Sonde 4® and Surveyor 4® a water quality multi probe (USA). Six metals which were cadmium, chromium, lead, nickel, zinc and copper were determined in five different compartments of the lake namely water, total suspended solids, plankton, sediment and fish. The metals concentration were determined by Inductively Coupled Plasma Mass Spectrometer (ICP-MS), Perkin Elmer Elan, model 9000.The water quality parameters were compared with National Water Quality Standard (NWQS Malaysia) while metal concentrations were compared with Malaysian and international standards. The study shows that water quality parameters are of class 2. This condition is suitable for recreational activities where body contact is allowed and suitable for sensitive fishing activities. Furthermore, metal concentrations were found to be lower than the international standards, therefore toxic effects for these metals would be rarely observed and the adverse effects to aquatic organisms would not frequently occur.
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