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Vol.2 , No. 2, Publication Date: Mar. 28, 2015, Page: 9-16
 of Soils at Sapele Municipality, Nigeria&description=Polycyclic Aromatic Hydrocarbons (PAHs) are large class of persistence toxic substances (PTS) which are emitted as by-products of virtually every type of combustion technology or biomass burning. The purpose of this investigation represents the season-wise distribution characteristics of 16 priority PAHs in 24 samples. After extraction and purification, quantification, of PAHs was done using GC-FID. Reagents used are of chromatographic grade. Results showed that the total concentration of 16 PAHs varied between 3.08 and 584.44µg.g-1 dry weight and high variability of PAHs concentration between sample stations and season as shown in the statistical distributionof arithmetic mean, standard deviation and Geometricmean. Rectangular bar chart showed that dry season recorded higher concentration of PAHs over wet season. Cluster analysis (hierarchical dendogram) of dry and wet season revealed strong similarities in the homogeneity of studied PAHs and season -wise could be related to their physicochemical characteristics and common source. Equilibrium Partitioning (EqP) of 13 PAHs suggest potential for adverse toxicity effects from PAHs to terrestrial invertebrates. This investigation has shown that there is potential for adverse contamination of terrestrial population living in the vicinity of the sources of these carcinogens hence the need for clean-up and possible relocation of industrial and/or anthropogenic activities that emit these PTS.&picture=http://www.aascit.org/aascit/decorators/img/journal/924.jpg)
| [1] | Emoyan Onoriode Onos, Environmental and Food Chemistry Research Group, Department of Chemistry, Delta State University, P.M.B.1Abraka, Nigeria. |
| [2] | Akporido Samuel Omorovie, Environmental and Food Chemistry Research Group, Department of Chemistry, Delta State University, P.M.B.1Abraka, Nigeria. |
| [3] | Agbaire Patience Odafe, Environmental and Food Chemistry Research Group, Department of Chemistry, Delta State University, P.M.B.1Abraka, Nigeria. |
Polycyclic Aromatic Hydrocarbons (PAHs) are large class of persistence toxic substances (PTS) which are emitted as by-products of virtually every type of combustion technology or biomass burning. The purpose of this investigation represents the season-wise distribution characteristics of 16 priority PAHs in 24 samples. After extraction and purification, quantification, of PAHs was done using GC-FID. Reagents used are of chromatographic grade. Results showed that the total concentration of 16 PAHs varied between 3.08 and 584.44µg.g-1 dry weight and high variability of PAHs concentration between sample stations and season as shown in the statistical distributionof arithmetic mean, standard deviation and Geometricmean. Rectangular bar chart showed that dry season recorded higher concentration of PAHs over wet season. Cluster analysis (hierarchical dendogram) of dry and wet season revealed strong similarities in the homogeneity of studied PAHs and season -wise could be related to their physicochemical characteristics and common source. Equilibrium Partitioning (EqP) of 13 PAHs suggest potential for adverse toxicity effects from PAHs to terrestrial invertebrates. This investigation has shown that there is potential for adverse contamination of terrestrial population living in the vicinity of the sources of these carcinogens hence the need for clean-up and possible relocation of industrial and/or anthropogenic activities that emit these PTS.
Keywords
Seasonal PAHs, Source Identification, Homogeneity and Risk Assessment
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