Table 2.

Summary of measured concentrations (central and upper values) of metals in e-waste sites for soil, water and sediment.

Metals	Soil (mg/kg)			Water (mg/L)			Sediment (mg/kg)
	n	Middle	Upper	N	Middle	Upper	N	Middle	Upper
As	595	9.55	18.95	241	0.0064	0.007	107	11.3	15.55
Cd	1625	1.11	2.48	452	0.00049	0.00095	347	2.15	3.52
Cr	1310	34.79	49.3	235	0.0022	0.0028	171	58	129.5
Pb	1607	96.46	162.5	287	0.0063	0.01	371	233.5	287
Hg	699	0.34	1.08	132	0.0005	0.0005	107	0.49	0.95