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- W2034378030 abstract "Exploitation of petroleum began recently in Umutu area, a part of the prolific Niger Delta Oil province, Nigeria. Soilprofiles at six locations in this area were investigated to determine the current status of Cr, Cu, Cd, Co, Ni, Zn, Pb,Mn and Fe, and their bioavailability, in order to have reference data for future monitoring of their bioaccumulation.The procedure used sequential extraction technique. Except for the high contents of Cu, Cd, Co, Zn, and Pb in SiteB (an auto-mobile mechanic waste dumpsite), mean metal levels in mgkg-1 for Umutu soils are Cd (0.65-1.83), Cu(2.20- 6.30), Pb (4.06-5.90), Cr (7.10-15.60), Ni (1.10-2.00), Zn (33.00- 45.00), Co (0.01- 0.06), Fe (1126.22-2955.87) and Mn (1.83-18.81). Sequential extraction shows that the bioavailability of Cr except for Site E (allhorizons) and Site D (0-15cm) are high. That of Fe is also high at depths of 0-15cm. Monitoring programme isherein suggested." @default.
- W2034378030 created "2016-06-24" @default.
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- W2034378030 date "2011-01-19" @default.
- W2034378030 modified "2023-09-26" @default.
- W2034378030 title "Metal Fractionation in Soil Profiles in Umutu Oil Field, Northwest Niger Delta Nigeria" @default.
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- W2034378030 doi "https://doi.org/10.5539/ijc.v3n1p57" @default.
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