Journal
WATER AIR AND SOIL POLLUTION
Volume 224, Issue 4, Pages -Publisher
SPRINGER INT PUBL AG
DOI: 10.1007/s11270-013-1476-6
Keywords
Heavy metals; Sediment pollution; Port Klang; Malaysia
Funding
- University Malaya Research Grant (UMRG) [RG174-12SUS]
- HIR Grant [UM.C/625/1/HIR/162]
- University Malaya Postgraduate Research Grant (PPP)
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The coastal sediments of Port Klang in Malaysia were monitored from November 2009 to October 2010 to evaluate the spatial distribution of heavy metals As, Cu, Cd, Cr, Ni, Pb, Zn, Pb, Mn, Al and Fe. Sediment samples were collected from 21 stations, covering three subsidiary ports, namely West Port, North Port and South Port, at three-month intervals. The geo-accumulation index and the enrichment factor were estimated to assess contamination status based on background values. Additionally, the sediment quality guide was applied to evaluate the adverse biological effects of heavy metals. These results show that the concentrations of some metals, such as As, Cd and Pb were comparatively higher than the background values. This is considered a critical environmental issue for this region. Furthermore, the toxicity estimation indicates that living organisms have a high risk of As exposure. Spatial distribution maps of heavy metals would aid in the identification of pollution sources and vulnerable sites.
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