Abstract
Organochlorine pesticides (OCPs) are chlorinated hydrocarbons extensively used for agriculture pest control and mosquito control from 1940s to 1960s. The use of OCPs for agricultural purpose was banned in many countries including Ethiopia. However, studies show that small scale farm holders in the central rift valley of Ethiopia use cocktail of pesticides including banned OCPs. This study was intended to detect the status of (OCP) residues in Ziway Lake, Oromia region of Ethiopia.
Highlights
These resulted in accumulation of obsolete (DDT) pesticide, poor storage facility, luck of destruction incinerators are among the problems facing the country. (UNEP-POPS-NIP-Ethiopia), [2] current inventory report on obsolete pesticide stores by Ministry of Environment Forest and Climate change shows reported significant quantity of obsolete pesticide stores [3]
DDT and its metabolic form are present in sediment, succulent grasses and fish muscle tissue collected from Lakes Ziway
Among the analyzed Organochlorine Pesticides only DDT and its metabolite were detected in the three samples (Fish, Sediment and grass)
Summary
These chemicals had been used extensively in the agriculture sector to control pests and in the health sector to control mosquito commencing 1940’s to 1960’s [1]. Organochlorine pesticides were banned in many countries including Ethiopia who ratified Stockholm convention. DDT has been used for the purpose of disease vector control (malaria) in the country until 2011. These resulted in accumulation of obsolete (DDT) pesticide, poor storage facility, luck of destruction incinerators are among the problems facing the country.
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