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Determination of the Level of Pesticides in Sediment and Water from the Lagos Lagoon

Oladunni B. Olafisoye 1,2, Temitope M. Senkale 2, and Adelaja O. Osibote 3
1. Department of Chemistry, Cape Peninsula University of Technology, Cape Town, South Africa
2. Department of Chemistry and Industrial Chemistry, Bowen University, Iwo, Nigeria
3. Department of Mathematics and Physics, Cape Peninsula University of Technology, Cape Town, South Africa
Abstract—The study aimed to determine the levels of organochlorine pesticides in sediment and water from the Lagos lagoon. Sediments and water samples were analysed using a 63Ni electron capture detector gas chromatograph (Agilent 5890 series, GC-ECD). High levels of organochlorine pesticides were detected in both sediment and water samples collected. The results of the analysis show that the mean values of the organochlorine pesticide in sediments were higher than that for water. It can be attributed to the fact that organochlorine pesticides which are pollutants are more persistent and organically bound to sediments than water since sediments leach organically bound pollutants to water. Dichlorodiphenyltrichloroethane (DDTDDE) were seen to be absent in both sediments and water sampled from the lagoon which is a possible indication to compliance on the ban of organochlorine pesticides for agricultural and fishing purposes.
 
Index Terms—pesticides, lagoon, GC-ECD, sediments

Cite: Oladunni B. Olafisoye, Temitope M. Senkale, and Adelaja O. Osibote, "Determination of the Level of Pesticides in Sediment and Water from the Lagos Lagoon," Journal of Advanced Agricultural Technologies, Vol. 3, No. 3, pp. 222-225, September 2016. Doi: 10.18178/joaat.3.3.222-225
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