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...

Although fish, crustacean, and shellfish are significant sources of protein, they are currently affected by rapid industrialization, resulting in increased concentrations of heavy metals. Accumulation of heavy metals (V, Cr, Mn, Ni, Cu, Zn, As, Se, Mo, Ag, Cd, Sb, Ba, and Pb) and associated human health risk were investigated in three fish species, namely Ailia coila, Gagata youssoufi, and Mast...

Background: Unsafe food consumption is a severe problem because of heavy metal contamination, which is caused by director indirect activities of industries. The present study was conducted to assess the risk of human health by Heavy metals (Cu, Co, Fe, Zn and Mn) through the intake of vegetables and fishes obtained from the area adjacent to the Hazaribag tannery campus, Dhaka, Bangladesh. Resul...

The Balu River is a peripheral river of Dhaka Metropolis and like other rivers its water quality also highly vulnerable towards pollution. In the present study, effects parameters on phytoplankton biomass have been studied for six climatic seasons year. results obtained were compared with two namely, Buriganga Turag. showed characters almost comparable rivers. as chlorophyll (chl-a) was found t...

A rapid and reproducible method is described that employs solid-phase extraction (SPE) using dichloromethane, followed by gas chromatography (GC) with flame ionization detection for the determination of benzene, toluene, ethylbenzene, xylene and cumene (BTEXC) from Buriganga River water of Bangladesh. The method was applied to detect BTEXC in a sample collected from the surface, or 5 cm depth o...

Dhaka, the capital city of Bangladesh, with expanding new areas has been suffering from inadequate provision recreation facilities. The lacks miserably in providing recreational space and facilities to its dwellers which is very important for mental psychological fitness. existing open park provisions vary widely between old Dhaka are much below compared standard should be maintained. In older ...