The difference in the concentration of consecutive heavy
metals in indoor and outdoor dust in this study supports the
inference that: there is interaction between heavy metals
within the components of e-waste and their surface dust,
such as to contribute to the overall increase in metal concentration
of the indoor dust. Hazard quotient results also
indicates that electronic dealers who store e-wastes and
consumers who patronize the electronics market run a risk of
zinc toxicity in adults and cadmium toxicity if this continues
consecutively for a period of 5 years ingestion of dust either
orally or dermally. Also, Children run a greater risk of consuming
more dust per day and as such contact illness due t