ecotoxicological characterization of tannery wastewater in dhaka, bangladesh. | tanning industries are one of the main economic activities in bangladesh. it has been well documented that wastewater discharged from tanneries without appropriate treatment results in detrimental effects on the ecosystem. no ecotoxicity evaluation of any aquatic environment in bangladesh has been conducted so far. in this study a battery of toxicity bioassays and chemical analysis were carried out from water samples obtained from three sampling points: upstream from discharging site on river bu ... | 2010 | 21186722 |