Petroleum Hydrocarbon Contamination of the Environment: A Case Study
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Abstract
Hydrocarbon contaminated soils were investigated to assess the level of pollution. The physicochemical properties, trace metals and total petroleum hydrocarbon content of soil samples were determined in the laboratory by extraction and spectrophotometric techniques. Total petroleum hydrocarbons levels in soils under investigation were measured as high as 9.84 ×103 mgkg-1 for soils under investigation. Multivariate
statistical method was employed to evaluate the level of pollution of hydrocarbon contaminated soils. Principal component analysis carried out on soil showed that the eigenvalues of the two first principal components represent up to 67.2% of the total variance. A positive correlation of the first principal component with Cu, Cr, V, cation exchange capacity and total petroleum hydrocarbon shows pollution from oil spillage while correlation of the second principal component with Cr, Fe, V and DO shows both oil pollution and allochthnous inputs Cluster analysis shows that at about 68.56% similarity, all variables reveal a common source.
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Copyright © 2008 Department of Geology, Faculty of Science, Chulalongkorn University. Parts of an article can be photocopied or reproduced without prior written permission from the author(s), but due acknowledgments should be stated or cited accordingly.
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