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Fumigation involves the use of a highly toxic pesticide which leaves behind residues that are classified as hazardous wastes. Such wastes enter our environment owing to improper disposal that pose a huge threat to public health and the environment at large. This study explored the disposal of...

The economic growth and industrial development of any county requires a drive from energy hence the industrial development of any nation is dependent on its energy supply. Demand for energy in Zambia has been rising due to robust GDP growth of more than 6 percent per year for the past decade in...

Lusaka city has over 70 percent of its population residing in peri-urban areas where more than 90 percent of the residents rely on pit latrines for excreta disposal. However, no Faecal Sludge Management (FSM) systems exist to manage the faecal sludge from these facilities. This situation results...

In catchment hydrology, it is practically impossible to measure everything we would like to know about the hydrological system, mainly due to high catchment heterogeneity, the limitations of measurement techniques and the cost involved in collecting and processing the hydrological data, hence...

Disposal of household effluent by septic tank systems is the most common method carried out by people that live in Lusaka’s forthcoming settlements, in Zambia. Furthermore, water for domestic use is primarily supplied from private boreholes because of the absence of piped water; and lack of...

A semi- cylindrical natural convection Solar Tunnel Dryer (STD) was used for experiments to dry partially field- dried maize cobs with a moisture content of about 30 % wet basis to a safe storage moisture content of 12.5 % wet basis. Air temperatures ranging from 15.8 oC to 20.8 oC above ambient...