Research Article

Assessment of Levels, Speciation, and Toxicity of Trace Metal Contaminants in Selected Shallow Groundwater Sources, Surface Runoff, Wastewater, and Surface Water from Designated Streams in Lake Victoria Basin, Uganda

Table 17

Results for risk assessment with respect to zinc and lead for selected shallow groundwater samples.

Sample nameLocal HC5 (dissolved) (µg/L)BioFBioavailable zinc concentration (µg/L)RCRLocal HC5 (dissolved) (µg/L)BioFBioavailable lead concentration (µg/L)RCR

Nabuze11.560.947.930.732.700.440.240.20
Katarina10.901.0015.901.462.700.440.420.35
Buwooya10.901.0015.001.382.700.441.821.51
Bukoto 110.901.0012.601.162.700.440.310.26
Bukoto 214.810.7418.701.725.380.220.430.36
Nabukalu14.810.7414.651.345.380.220.190.16
Abdu11.560.9420.741.902.700.440.690.57
SP4306K11.560.9412.911.182.700.440.600.50
Kikoni11.560.945.560.512.700.440.020.01
SP1414R11.560.9415.181.392.700.440.340.28
Sentamu11.560.947.820.722.700.440.100.08
Kunya10.901.0023.602.172.700.440.760.63
SP1212R11.560.948.290.762.700.440.100.09
Kibumbiro14.810.7434.673.185.380.221.130.94
Kabaale11.560.9414.701.352.700.440.940.78
Nababirye10.901.006.800.622.700.440.190.16
SP1010R11.560.9410.460.962.700.440.150.13
Nsambya11.560.9410.180.932.700.440.320.27
Kapeke11.560.9434.883.202.700.440.800.67
Yusuf11.560.949.900.912.700.440.350.29
Kasanvu11.560.942.940.272.700.440.050.04
Nabagereka19.340.568.400.775.380.220.380.32
Barracks11.560.946.230.572.700.440.230.19
SP5003C14.810.7417.741.635.380.220.630.52