Fish Tilapia nilotica, Mormyrops anguilloides and Schilbe mystus, captured at port Socopla-Lomata on the Congo River in Mbandaka were analyzed by X-ray fluorescence spectrometer, brand Xepos III in accordance with the laboratory’s operating mode; to assess lead, cadmium and mercury contamination. The results showed concentrations higher than the edibility standards of the European Union and the concentrations observed in the water of the fishing site. The species Mormyrops anguilloides accumulates more cadmium while lead and mercury are more accumulated in Tilapia nilotica.
With the resulting one from analysis of the data of this study whose objective is to make an inventory of fixtures of the management of solid waste of care of health at the general hospital of reference of Wangata for an evaluation of the effectiveness of the whole of the system finally making it possible to estimate if the construction of the furnace with incineration entered within the framework of a management systemic and planned for a solution total and durable, it arises however that the system of management is not effective, and that the construction of the furnace with incineration was only one emergency intervention with an only aim of eliminating the wild discharges and the unpleasant odors. There is not a plan of management, nor program, less still a clear policy as regards management of waste in this hospital. 96,7% of personnel are not formed, not sorted waste, not of budget allocated with the management of waste.
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