This study was carried out on soil samples collected from Damascus country side (Alghota – Jesrin), in order to study the impact of organochlorine insecticides resulted from heavy use for a long time. The duration of experiment was ١١ monthes covering four season condition. Samples were taken from two levels, the surface (١٠ cm) and the deep levels (٣٠-٤٥ cm). Soil samples were extracted by acetone, hexane and chloroform solvents. Residues were detected by using GC.