ABSTRACT

The problem of aquatic pollution is o globa importance and has been of concern to many enviroment all over  the world. Oceans and seas covering about 75% of the earth's surface ar. the rich supplier of animal protein. Pollutants from different human activities endanger these aquatic habitats. These pollutants include oil, aromatic and straight chain hydiocarbou. chromium, mercury, zinc, phenols (Wclhc. 1970). ChL matc( hydrocarbon substances (CLH''S nrc svnthHc organochlorme cornpound atid lude pesticides e.g. D!fl' and dcn:kes, h ';iehlerocyclohexane (HCH), n, :rin. hpuchlor and endosul fa ) c, all a tie ommercial or industrid •.J nici. ncRditig polychionnaled hiiiny!s ( ( US), c;in (PCDDS) and hexachlouAienzen tUB). !hese chemicals are hpopluhe with lo.' vohuility and low water solubilily and have been in USC in both developed and developing cotmtries for several d dt's. organoclilorine pesticide.; (OUPS), for example, are deliberately introduce:.. il en;ronment and have played a major role in inc.ieasng worldwide food pro:n m! r ecling human health and natural rcsourccb. g. EDT and aidrin (Ware, I Th i:lustri& chemicals such as PUBS. however, are introduced indirectly into the . i; o . vctis i986 ,.