Metal levels in some refuse dump soils and plants in Ghana

K. Agyarko, E. Darteh and B. Berlinger
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K. Agyarko: Collegeof Agriculture Education, University of Education, Winneba, Mampong- Ashanti, Ghana
E. Darteh: Collegeof Agriculture Education, University of Education, Winneba, Mampong- Ashanti, Ghana
B. Berlinger: National Institute of Occupational Health, Oslo, Norway

Plant, Soil and Environment, 2010, vol. 56, issue 5, 244-251

Abstract: Concentrations of Cd, Hg, Pb, Cr, Fe, Co, Ni, Cu, Zn, Mo and As were determined in soils and leaves of plants from refuse dumpsites and background soils in two cities, a municipality and a rural community in Ghana, using a ThermoFinnigan Element 2 high resolution inductively coupled plasma mass spectrometric (HR-ICP-MS) instrument. The refuse dump soils were classified between 'Uncontaminated to Moderate' and 'Strongly Contaminated'. Pollution levels for Cd (Igeo = 2.06-2.40) and Zn (Igeo = 2.95-3.36) were higher than of the other metals. The refuse dump soil from the rural community was the least polluted with the metals. Fe and Ni loads in plants from the refuse dump soils in the cities and the municipality were beyond the normal ranges of 40-500 µg/g (Fe) and 0.02-5.00 µg/g (Ni). Transfer ratios for Cd, Hg, Cu, Zn and Pb and Fe of plants from the background soils were higher than those from the refuse dump soils, which might be due to the higher levels of organic matter, pH, phosphate, Ca and Mg in the refuse dump soils.

Keywords: metal; refuse dump soil; Geoaccumulation index(Igeo); transfer ratio (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:56:y:2010:i:5:id:13-2010-pse

DOI: 10.17221/13/2010-PSE

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