Abstract

AbstractResidues of four chlorinated hydrocarbons, viz. Aldrin, BHC, DDT and Endosulfan, were estimated in twenty fresh water edible fishes using a gas chromatographic technique. The residue accumulation showed a definite relation with the feeding habits of fishes. Omnivorous fishes were found highly contaminated, followed by carnivorous and herbivorous species. Heteropneustes fossilis was the highly contaminated fish with residue concentrations of Aldrin (0.051 ppm), BHC (0.814 ppm), DDT (1.962 ppm) and Endosulfan (0.312 ppm).

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