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 16

Results for risk assessment with respect to copper and nickel for selected shallow groundwater samples.

Sample name	Local HC5 (dissolved) (µg/L)	BioF	Bioavailable copper concentration (µg/L)	RCR	Local HC5 (dissolved) (µg/L)	BioF	Bioavailable nickel concentration (µg/L)	RCR
Nabuze	4.95	0.20	0.28	0.28	8.20	0.49	4.78	1.20
Katarina	4.95	0.20	0.64	0.64	8.20	0.49	3.34	0.83
Buwooya	4.95	0.20	0.26	0.26	8.20	0.49	1.93	0.48
Bukoto 1	4.95	0.20	0.17	0.17	8.20	0.49	1.57	0.39
Bukoto 2	7.10	0.14	0.26	0.26	9.67	0.41	2.25	0.56
Nabukalu	7.10	0.14	0.22	0.22	9.67	0.41	3.05	0.76
Abdu	4.15	0.24	0.48	0.48	8.20	0.49	5.91	1.48
SP4306K	4.95	0.20	0.40	0.40	8.20	0.49	4.20	1.05
Kikoni	4.95	0.20	0.09	0.09	8.20	0.49	1.87	0.47
SP1414R	4.95	0.20	0.33	0.33	8.20	0.49	4.45	1.11
Sentamu	4.95	0.20	0.13	0.13	8.20	0.49	3.62	0.90
Kunya	4.95	0.20	0.37	0.37	8.20	0.49	3.01	0.75
SP1212R	4.95	0.20	0.15	0.15	8.20	0.49	4.17	1.04
Kibumbiro	7.10	0.14	0.53	0.53	9.67	0.41	6.33	1.58
Kabaale	4.95	0.20	0.36	0.36	8.20	0.49	2.40	0.60
Nababirye	4.95	0.20	1.13	1.13	8.20	0.49	2.40	0.60
SP1010R	4.95	0.20	0.16	0.16	8.20	0.49	3.96	0.99
Nsambya	4.95	0.20	0.29	0.29	8.20	0.49	7.42	1.85
Kapeke	4.95	0.20	0.70	0.70	8.20	0.49	12.20	3.05
Yusuf	4.95	0.20	0.19	0.19	8.20	0.49	1.03	0.26
Kasanvu	4.95	0.20	0.19	0.19	8.20	0.49	1.71	0.43
Nabagereka	8.55	0.12	0.17	0.17	9.67	0.41	3.70	0.92
Barracks	4.15	0.24	0.26	0.26	8.20	0.49	4.01	1.00
SP5003C	7.10	0.14	0.20	0.20	9.67	0.41	1.87	0.47