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8S783
In this study, the levels of selected metals (Cd, Cr, Cu, Mn, Fe and Pb) concentrations were measured by Flame Emission Atomic Absorption Spectrophotometer (FL-AAS) in sediment (sludge) samples collected from 10 different Canals in and around the Dhaka City Corporation (DCC) area of Bangladesh. The analysis result shows that Cr, Cu and Pb were present as major pollutants in the some canals in the DCC area with high concentration levels, while Cd, Mn and Fe emerged as minor pollutants. Principal Component Analysis (PCA) and Cluster analysis were used to assess the metal contamination in the canals. Positive correlations were found between Mn-Fe (r = 0.860), Pb-Cu (r = 0.786), Pb-Cd (r = 0.398) and Cu-Cd (r = 0.227) pairs. The present metal concentration in the canal sediments data shows that Cr, Pb and Pb levels are higher than recommended sediment quality guideline by USEPA but pollutants concentrations in the sludge are below the prescribed hazard limit provided by USEPA for land application of sludge.
Dr. Provat K. Saha. 2012. \u201cAssessment of the Heavy Metal Pollution in the Sediment Samples of Major Canals in Dhaka City by Multivariate Statistical Analysis\u201d. Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 12 (GJRE Volume 12 Issue E3): .
Crossref Journal DOI 10.17406/gjre
Print ISSN 0975-5861
e-ISSN 2249-4596
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Total Score: 107
Country: Bangladesh
Subject: Global Journal of Research in Engineering - E: Civil & Structural
Authors: Dr. Provat K. Saha, Md. Delwar Hossain (PhD/Dr. count: 1)
View Count (all-time): 199
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Publish Date: 2012 08, Tue
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In this study, the levels of selected metals (Cd, Cr, Cu, Mn, Fe and Pb) concentrations were measured by Flame Emission Atomic Absorption Spectrophotometer (FL-AAS) in sediment (sludge) samples collected from 10 different Canals in and around the Dhaka City Corporation (DCC) area of Bangladesh. The analysis result shows that Cr, Cu and Pb were present as major pollutants in the some canals in the DCC area with high concentration levels, while Cd, Mn and Fe emerged as minor pollutants. Principal Component Analysis (PCA) and Cluster analysis were used to assess the metal contamination in the canals. Positive correlations were found between Mn-Fe (r = 0.860), Pb-Cu (r = 0.786), Pb-Cd (r = 0.398) and Cu-Cd (r = 0.227) pairs. The present metal concentration in the canal sediments data shows that Cr, Pb and Pb levels are higher than recommended sediment quality guideline by USEPA but pollutants concentrations in the sludge are below the prescribed hazard limit provided by USEPA for land application of sludge.
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