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Abstract
One hundred and five chicken egg samples were taken from seven geographical locations in Kenya and analyzed for organochlorine pesticide residues using gas‐liquid chromatography. Nine organochlorine compounds were detected: α‐ and γ‐HCH/BHC (hexachlorocyclohexane/benzene hexachloride), aldrin, dieldrin, p,p'‐DDE [1,1‐dichloro‐2,2‐bis(p‐chlorophenyl)ethylene], p,p'‐DDD (TDE) [2,2‐bis(p‐chloro‐phenyl)‐1,1‐dichloroethane] (tetrachlorodiphenylethane), o,p'‐DDD [2‐(o‐chloro‐phenyl)‐2‐(p‐chlorophenyl)‐1,1‐dichloroethanel, o,p'‐DDT [2‐(o‐chlorophenyl)‐2‐(p‐chlorophenyl)‐1,1,1‐tricholoroethanel, and p,p'‐DDT. Eighteen of the samples contained DDT levels exceeding the practical residue limit (0.5 ppm). The mean DDT residue content was 0.68 ppm, a result influenced greatly by the high contamination in the 18 samples. Both individual and mean residue levels for other organochlorine pesticides detected were well within the respective practical residue limits.