Table 2: Residues of organochlorine insecticides in water and sediment of LakeMaruit (North Alexandria )a.

Sample Concentration (ppb)
Lindane p,p`-DDT
Water 1.65-2.76 2.54-6.39
Sediment 52.8-142.8 318-982

aAdapted from Abu El-Amayem, et al. [30].