TY - SER AU - Iwegbue, C. M. A. AU - Nwajei, G. E. AU - Arimoro, F. O. TI - Characteristic Levels of Total Petroleum Hydrocardrbons in Soil, Sediment and Surface Water of an Oil Impacted Area InNiger Delta KW - Petroleum Hydrocarbons KW - Soil KW - Sediment ER -