Malaysian Journal of Analytical Sciences Vol 18 No 1 (2014): 155 – 161

 

 

 

ANALYSIS AND POLLUTION ASSESSMENT OF HEAVY METAL IN SOIL, PERLIS

 

(Analisis dan Penilaian Pencemaran Logam Berat dalam Tanah, Perlis)

 

Siti Norbaya Mat Ripin^1,2*, Sharizal Hasan², Mohd Lias Kamal², NorShahrizan Mohd Hashim³

 

¹ Faculty of Applied Sciences,

Universiti Teknologi MARA, Malaysia 40450 Shah Alam, Malaysia

²Faculty of Applied Sciences,

³Faculty of Architecture, Planning and Surveying,

Universiti Teknologi Mara Perlis, 02600 Arau Perlis, Malaysia

 

*Corresponding author: norbaya24@gmail.com

 

 

Abstract

Concentration of 5 heavy metals (Cu, Cr, Ni, Cd, Pb) were studied in the soils around Perlis, to assess heavy metals contamination distribution due to industrialization, urbanization and agricultural activities. Soil samples were collected at depth of 0-15cm in eighteen station around Perlis.The soil samples (2mm) were obtained duplicates and subjected to hotblock digestion and the concentration of total metal was determined via ICP-MS. Overall concentrations of Cu, Cr, Ni, Cd and Pb in the soil samples ranged from 0.38-240.59, 0.642-3.921, 0.689-2.398, 0-0.63 and 0.39-27.47 mg/kg respectively. The concentration of heavy metals in the soil display the following decreasing trend: Cu>Pb>Cr>Ni>Cd. From this result, found that level of heavy metal in soil near centralized Chuping industrial areas give maximum value compared with other location in Perlis. The Pollution index revealed that only 11% of Cu and 6% of Cd were classes as heavily contaminated.  Meanwhile, Cu and Pb showed 6% from all samples result a moderately contaminated and the others element give low contamination. Results of combined heavy metal concentration and heavy metal assessment indicate that industrial activities and traffic emission represent most important sources for Cu, Cd and Pb whereas Cr, Ni mainly from natural sources. Increasing anthropogenic influences on the environment, especially pollution loadings, have caused negative changes in natural ecosystems and decreased biodiversity.

 

Keywords: Contamination, Heavy metals, Distribution, ICP-MS, Pollution index

 

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